eval-l9788 hardware documentation · user manual um2582 - rev 1 - may 2019 for further information...
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IntroductionThe EVAL-L9788 is an evaluation board designed to provide the user with a set of info tools for the evaluation of the productL9788, a multifunction IC for automotive engine management system. The board provides all the main input/output capabilitiesneeded to drive all the supported loads and to interface with sensors providing diagnostic functionalities.
EVAL-L9788 hardware documentation
UM2582
User manual
UM2582 - Rev 1 - May 2019For further information contact your local STMicroelectronics sales office.
www.st.com
1 Hardware description
The EVAL-L9788 board provides maximum flexibility, giving access to all pins to simplify the evaluation and thedebug phase of the device.
1.1 Block diagram
Figure 1. Application block diagram
PC
GADG2304190933PS
PWM
GPIO
SPI
MicroPower Connectors
ConnectorMicrocontroller
BoardL9788 Demo
Microcontroller
• Standard APG connector 4x36• GPIO/PWM output• Configuration and Diagnostic of L9788 via MSC (Microsecond Channel)• Possibility to easily connect the board to other microcontroller boards through a wire adaptor
UM2582Hardware description
UM2582 - Rev 1 page 2/23
2 L9788 block diagram
Figure 2. L9788 Block diagram
MOSFETPreDriver
IgnitionPredriver
MRD
LSD
LSD
LSD
MSCMicro Second Channel
6
CAN FD
LIN
WatchdogWDA
VRS
Wake Up
Key Off TimerSEO
WK_INENABLE
Regulator
Regulator MonitorDual
Bandgap
DualOscillator
Internal Regulator
Boost RegulatorDriver Buck RegulatorCharge Pump
VPRE
Regulator
Logic
Supply
Power Output
Pre Driver
Interface
2
4
6
42
6
5
5
5
3
3
4
CPRESET RSTN
BIST
GADG2411160929PS
VSENSE3VSENSE2VSENSE1
AD_TEST
VSENSE4_MON
KEY_IN
SEO_OUT
VB_STDBY
FLW_IN_NFLW_OUT
FLW_IN_P
RSTCVDD_IO
MSC_EN, MSC_DOMSC_DI_P,N
MSC_CK_P,N
GND_CANVB_CAN
VDD_CANCAN_LCAN_H
CAN_RXCAN_TX
LIN_RXLIN_TX
ISO11898-2
LIN/K-Line
Q & A WD_RST
2 x 6A
2 x 70mALSD (LED)
6 x 2.2A
6 x
5 x5 x
HSD/LSD0.6A3 x
3 Pins TestMode(PowerGND)
GND1
PDR_GND
PRDN1,2,3,4,5_DRN
PRDN1,2,3,4,5_Gate
MRD
STR1,2,3_SRC
STR1,2,3_DRN
EN_NEN_P
IGN1,2,3,4,5,6
INJ_ENA
CURR_Sense_O2H1,2O2HxPGND
O2HxxA,O2HxxB
SOL1..2INJ1..4
INJx_PGNDSOL12_PGND
LED1/2
5 x 0.6A
VDD5_IN
VDD5_GateVDD5
RLY1..5
WD_RSTVDD5_UVVcore_UV3 x Tracking
1 x ext Tracking
BUCK_C_BST
VB_IN BUCK_SWVB_IN_SWCPBOOST_GVBAT_Sense
UM2582L9788 block diagram
UM2582 - Rev 1 page 3/23
3 L9788 pinout and pin description
Figure 3. Pinout diagram
GADG2411160940PS
1
2
3
5
6
4
7
8
9
10
45
11
46 47 48 49 50
86 85 84 83 8182 80 79 78 77 76
70
69
68
66
65
67
75
74
73
71
72
LIN
LIN_RX
LIN_TX
FLW_IN_N
FLW_IN_P
FLW_OUT
MRD
WK_IN
KEY_IN
VB_STBY
VSENSE4_MONR
LY3
RLY
4
RLY
5
IGN
3
MSC
_EN
IGN
4
MSC
_CK_
P
MSC
_CK_
N
MSC
_DI_
P
MSC
_DI_
N
GN
D1
O2H
2A
O2H
2B
O2H
2_PG
ND
B
CU
RR
_Sen
se_O
2H2
Buck
_SW
VB_I
N_S
W
Buck
_C_B
ST
CP
VB_I
N
VBAT
_Sen
se
Boos
t_G
PDR_GND
VPRE
VSENSE1
VSENSE3
SOL1
VSENSE2
GND
RSTC
VDD5_GATE
AD_TEST
VDD5_IN
40 41 42 43 44
97 96 95 94 9293 91 90 89 88 87
GN
D
CAN
_RX
CAN
L
CAN
H
VDD
_CAN
CU
RR
_Sen
se_O
2H1
O2H
1_PG
ND
A
O2H
1A
O2H
1B
O2H
1_PG
ND
B
O2H
2_PG
ND
A
100 99 98
GN
D_C
AN
VB_C
AN
CAN
_TX
34 35 36 37 38 39
INJ_
ENA
EN_N
EN_P
IGN
1
RLY
1
IGN
2
RLY
2
INJ1
INJ1
_PG
ND
INJ2
_PG
ND
INJ2
29 30 31 32 33
SEO
_OU
T
VDD
_IO
MSC
_DO
26 27 28
12
13
14
16
17
15
18
19
20
21
22
59
58
57
55
54
56
64
63
62
60
61
STR2_SRC
STR1_SRC
STR1_DRN
INJ34_PGND
INJ3
INJ4
LED2
LED1
STR3_SRC
STR2_DRN
STR3_DRN
PRD1_GATE
PRD3_GATE
PRD3_DRN
PRD2_GATE
PRD4_GATE
PRD2_DRN
SOL12_PGND
SOL2
IGN5
PRD1_DRN
IGN6
23
24
25
52
51
53
RSTN
WDA
GND
PRD5_DRN
PRD5_GATE
PRD4_DRN
Table 1. Pin descriptions
Pin Number Name Function
1 FLW_IN_P Flying wheel inputs voltage positive
2 FLW_IN_N Flying wheel inputs voltage negative
3 FLW_OUT Flying wheel output voltage
4 LIN_TX LIN data input
5 LIN_RX LIN data output
6 LIN LIN driver output
UM2582L9788 pinout and pin description
UM2582 - Rev 1 page 4/23
Pin Number Name Function
7 VB_STBY Standby function supply voltage
8 VSENSE4_MON Tracking sensor supply monitor
9 KEY_IN Key signal input
10 WAKE_IN wake up signal input
11 MRD Main relay drivers outpour voltage
12 INJ3 Injector Driver output voltage
13 INJ34_PGND Ground
14 INJ4 Injector Driver output voltage
15 STR1_DRN Configurable high/low side drain voltage
16 STR1_SRC Configurable high/low side source voltage
17 STR2_SRC Configurable high/low side source voltage
18 STR2_DRN Configurable high/low side drain voltage
19 STR3_DRN Configurable high/low side drain voltage
20 STR3_SRC Configurable high/low side source voltage
21 LED1 LED Driver output voltage
22 LED2 LED Driver output voltage
23 GND Ground
24 WDA Watchdog output
25 RSTN Reset output for VDD5
26 SEO_OUT SEO output pin
27 VDD_IO Dedicated supply for FLW_OUT, MSC_DO,LIN_RX, CAN_RX
28 MSC_DO MSC digital I/O vloltage
29 INJ_ENA Enable pin for injector driverPower
30 EN_N enable signals
31 EN_P enable signals
32 IGN1 Ignition pre-driver output voltage
33 IGN2 Ignition pre-driver output voltage
34 RLY1 Relay Driver output voltage
35 RLY2 Relay Driver output voltage
36 INJ1 Injector Driver output voltage
37 INJ1_PGND Ground
38 INJ2_PGND Ground
39 INJ2 Injector Driver output voltage
40 RLY3 Relay Driver output voltage
41 RLY4 Relay Driver output voltage
42 RLY5 Relay Driver output voltage
43 IGN3 Ignition pre-driver output voltage
44 IGN4 Ignition pre-driver output voltage
45 MSC_EN MSC digital I/O voltage
46 MSC_CK_P MSC digital I/O voltage
UM2582L9788 pinout and pin description
UM2582 - Rev 1 page 5/23
Pin Number Name Function
47 MSC_CK_N MSC digital I/O voltage
48 MSC_DI_P MSC digital I/O voltage
49 MSC_DI_N MSC digital I/O voltage
50 GND1 Power ground
51 PRD5_GATE General purpose pre-drivers gate voltage
52 PRD5_DRN General purpose pre-drivers feedback voltage
53 PRD4_DRN General purpose pre-drivers feedback voltage
54 PRD4_GATE General purpose pre-drivers gate voltage
55 PRD2_GATE General purpose pre-drivers gate voltage
56 PRD2_DRN General purpose pre-drivers feedback voltage
57 PRD3_DRN General purpose pre-drivers feedback voltage
58 PRD3_GATE General purpose pre-drivers gate voltage
59 PRD1_GATE General purpose pre-drivers gate voltage
60 PRD1_DRN General purpose pre-drivers feedback voltage
61 IGN6 Ignition pre-driver output voltage
62 IGN5 Ignition pre-driver output voltage
63 SOL2 Valve Driver output voltage
64 SOL12_PGND Ground
65 SOL1 Valve Driver output voltage
66 VSENSE3 5 V tracking sensor supply output voltage
67 VSENSE2 5 V tracking sensor supply output voltage
68 VSENSE1 5 V tracking sensor supply output voltagetracking sensor supply Monitor
69 VPRE Buck output voltage
70 PDR_GND Ground pin for predriver supply feedback input
71 AD_TEST AD test pin
72 VDD5_IN 5 V regulator feedback voltage
73 VDD5_GATE 5 V linear regulator pre-driver output
74 RSTC Reset output for VDDIO supply
75 GND Ground
76 Boost_G Boost LS gate voltage
77 VBAT_Sense Battery supply voltage
78 VB_IN Battery supply voltage
79 CP Charge pump
80 Buck_C_BST Bootstrap capacitor pin
81 Buck_SW Buck switching pin
82 VB_IN_SW Battery BUCK supply voltage
83 CURR_Sense_O2H2 O2heater drivers output current value
84 O2H2_PGNDA Ground
85 O2H2B_PGNDB O2H2B Driver output voltage
86 O2H2A Driver output voltage
UM2582L9788 pinout and pin description
UM2582 - Rev 1 page 6/23
Pin Number Name Function
87 O2H2_PGNDA Ground
88 O2H1_PGNDB Ground
89 O2H1B Driver output voltage
90 O2H1A O2H1A Driver output voltage
91 O2H1_PGNDA Ground
92 VDD_CAN CAN Supply 5 V
93 CURR_Sense_O2H1 O2heater drivers output current value
94 CANH CANH output
95 CANL CANL output
96 CAN_RX CAN RX data output
97 GND Ground
98 CAN_TX CAN TX data input
99 VB_CAN CAN Enable Signal
100 GND_CAN Ground CAN
UM2582L9788 pinout and pin description
UM2582 - Rev 1 page 7/23
4 Board layout
Figure 4. Board front layout
UM2582Board layout
UM2582 - Rev 1 page 8/23
Figure 5. Board back layout
UM2582Board layout
UM2582 - Rev 1 page 9/23
Figure 6. Board front view
UM2582Board layout
UM2582 - Rev 1 page 10/23
5 Jumpers and connectors
5.1 Mother board jumpers and connectors
Table 2. Mother board jumpers and connectors
Name Description Type
J1J1 Main battery input Screw connector
J2
1. VDD5 output2. VTRK1 output3. VTRK2 output4. VTRK3 output
Multi screw connector
J3
1. MRD output2. WAKE IN input3. KEY IN input4. VTRK external monitoring input5. VB stby input
Multi screw connector
J4
Ignition output 1..61. IGN12. IGN23. IGN34. IGN45. IGN56. IGN6
Multi screw connector
J5
Pre-driver output 1…51. DRN12. DRN23. DRN34. DRN45. DRN5
Multi screw connector
J6
Starter relay output 1…8:1. Battery2. STR1_DRN3. STR1_SRC4. STR2_DRN5. STR2_SRC6. STR3_DRN7. STR3_SRC8. GND
Multi screw connector
J7Injector output 1..21. INJ12. INJ2
Multi screw connector
J8Injector output 3..41. INJ32. INJ4
Multi screw connector
UM2582Jumpers and connectors
UM2582 - Rev 1 page 11/23
Name Description Type
J9
Relay output 1..51. RLY12. RLY23. RLY34. RLY45. RLY5
Multi screw connector
J10
Lambda heater output 1..41. O2H12. Not Connected3. O2H24. Not Connected
Multi screw connector
J11Led Output 1..21. LED12. LED2
Multi screw connector
J12Solenoid driver output 1..21. SOL12. SOL2
Multi screw connector
J13
LIN/CAN Network connector1. LIN2. GND3. CANL4. CANH
Pin strip
J14
Flywheel sensor input connector1. GND2. E_F_DGH: Positive Hall sensor input
(please set JP21 accordingly)3. E_F_DGA: Positive variable reluctance
sensor input (please set JP21accordingly)
4. E_F_DGB: Negative variable reluctancesensor input (please set JP22accordingly)
Multi screw connector
J15 Microcontroller connector 4x36 multipin connector
JUMPERS
JP1 Wake-in jumperClosed : Wake-in asserted
Open: Wake in not asserted
JP2 VB_STBY jumperClosed : VB_STBY connected to battery
Open: VB_STBY not connected to battery
JP3 IGN2 output selector
3 way jumper:
1-2: L9788 IGN2 output connected externally by 50 ohm resistor
2-3: L9788 IGN2 output connected to IGBT gate
JP4 IGN3 output selector
3 way jumper:
1-2: L9788 IGN3 output connected externally by 50 ohm resistor
2-3: L9788 IGN3 output connected to IGBT gate
JP5 IGN4 output selector
3 way jumper:
1-2: L9788 IGN4 output connected externally by 50 ohm resistor
2-3: L9788 IGN4 output connected to IGBT gate
UM2582Mother board jumpers and connectors
UM2582 - Rev 1 page 12/23
Name Description Type
JP6 IGN5 output selector
3 way jumper:
1-2: L9788 IGN5 output connected externally by 50 ohm resistor
2-3: L9788 IGN5 output connected to IGBT gate
JP7 IGN6 output selector
3 way jumper:
1-2: L9788 IGN6 output connected externally by 50 ohm resistor
2-3: L9788 IGN6 output connected to IGBT gate
JP8 IGN1 output selector
3 way jumper:
1-2: L9788 IGN1 output connected externally by 50 ohm resistor
2-3: L9788 IGN1 output connected to IGBT gate
JP9 SEO_INJ jumperClosed : SEO_INJ connected to INJ_ENA
Open : SEO_INJ not connected to INJ_ENA
JP11 EN_P jumperClosed : EN_P asserted
Open : EN_P not asserted
JP12 EN_N jumperClosed : EN_N asserted
Open : EN_N not asserted
JP13 VDD_CAN jumperClosed: VDD_CAN connected to 5 V, CAN transceiver is powered
Open: VDD_CAN not connected to 5 V, CAN transceiver is notpowered
JP14 CAN interface digital input level selector
3 ways jumper:
1-2: 5 V interface
2-3: 3.3 V interface
JP15 CAN enable jumper
Closed: VB_CAN connected to VB_STBY, CAN transceiver isenabled
Open: VB_CAN not connected to VB_STBY, CAN transceiver isdisabled
JP16 CAN_TX jumperClosed: CAN_TX is connected to the microcontroller connector(J15)
Open: CAN_TX is floating
JP17 CAN_RX jumperClosed: CAN_RX is connected to the microcontroller connector(J15)
Open: CAN_RX is floating
JP18 Lin Master/Slave selector
3 ways jumper:
1-2: LIN configured as master
2-3: LIN configured as slave
JP19 LIN_TX jumperClosed: LIN_TX is connected to the microcontroller connector (J15)
Open: LIN_TX is floating
JP20 LIN_RX jumperClosed: LIN_RX is connected to the microcontroller connector (J15)
Open: LIN_RX is floating
JP21 Flywheel sensor positive input selector
3 ways jumper:
1-2: Magnetic reluctance sensor positive input
2-3: Hall sensor
UM2582Mother board jumpers and connectors
UM2582 - Rev 1 page 13/23
Name Description Type
JP22 Flywheel sensor negative input selector
3 ways jumper:
1-2: Magnetic reluctance sensor negative input
2-3: Hall sensor polarization
JP23 CAN Ground JumperClosed : CAN ground connected to ground
Open: CAN ground floating
JP24 VPRE fault simulatorClosed: VPRE correctly connected to BUCK output
Open: VPRE floating
S1 Key-In switchON: KEY-IN asserted
OFF: KEY-IN not asserted
Figure 7. Microcontroller connector
GND
VDD5GND
VDD5
GND
GND
GND VDD5
RSTN
MSC_DI_NMSC_DI_P
RSTC
SPI_DIN
MSC_CK_NSPI_CLK
MSC_CK_P
MSC_EN
SPI_DO
LIN_RX
O2H1_CURRENT
MSC_DO
FLW_OUT
CAN_RX
CAN_TX
EN_NWAKE_IN
WDA
SEO_OUT
INJ_ENA
EN_P
O2H2_CURRENT
LIN_TX
R66 0
TESTMODE1
GND
TM_INTERNAL
AD_TESTA1A1A2A2A3A3A4A4A5A5A6A6A7A7A8A8A9A9A10A10A11A11A12A12A13A13A14A14A15A15A16A16A17A17A18A18A19A19A20A20A21A21A22A22A23A23A24A24A25A25A26A26A27A27A28A28A29A29A30A30A31A31A32A32
B1 B1B2 B2B3 B3B4 B4B5 B5B6 B6B7 B7B8 B8B9 B9
B10 B10B11 B11B12 B12B13 B13B14 B14B15 B15B16 B16B17 B17B18 B18B19 B19B20 B20B21 B21B22 B22B23 B23B24 B24B25 B25B26 B26B27 B27B28 B28B29 B29B30 B30B31 B31B32 B32
C1C1 D1 D1C2C2C3C3C4C4C5C5C6C6C7C7C8C8C9C9C10C10C11C11C12C12C13C13C14C14C15C15C16C16C17C17C18C18C19C19C20C20C21C21C22C22C23C23C24C24C25C25C26C26C27C27C28C28C29C29C30C30C31C31C32C32
D2 D2D3 D3D4 D4D5 D5D6 D6D7 D7D8 D8D9 D9
D10 D10D11 D11D12 D12D13 D13D14 D14D15 D15D16 D16D17 D17D18 D18D19 D19D20 D20D21 D21D22 D22D23 D23D24 D24D25 D25D26 D26D27 D27D28 D28D29 D29D30 D30D31 D31D32 D32
A33A33 B33 B33 C33C33 D33 D33A34A34 B34 B34 C34C34 D34 D34A35A35A36A36 B35 B35
B36 B36 D35 D35D36 D36C35C35
C36C36
J15
HEADER 36X4
R94
GADG2404191049PS
UM2582Mother board jumpers and connectors
UM2582 - Rev 1 page 14/23
5.2 Default jumpers setting
Table 3. Jumpers configuration
Name Description Configuration
JP1 Wake-in not asserted Open
JP4 IGN3 output connected to IGBT gate 2-3
JP5 IGN4 output connected to IGBT gate 2-3
JP6 IGN5 output connected to IGBT gate 2-3
JP7 IGN6 output connected to IGBT gate 2-3
JP8 IGN1 output connected to IGBT gate 2-3
JP9 SEO_INJ not connected to INJ_ENA Open
JP11 EN_P asserted Closed
JP12 EN_N asserted Closed
JP13 VDD_CAN connected to 5V, CAN transceiver is powered Closed
JP14 CAN interface digital input level 5V interface 1-2
JP15 CAN transceiver is enabled Closed
JP16 CAN_TX TX is connected to the microcontroller connector (J15) Closed
JP17 CAN_RX TX is connected to the microcontroller connector (J15) Closed
JP18 LIN configured as master 1-2
JP19 LIN_TX is connected to the microcontroller connector (J15) Closed
JP20 LIN_RX is connected to the microcontroller connector (J15) Closed
JP21 Flywheel sensor Magnetic reluctance sensor positive input 1-2
JP22 Flywheel sensor Magnetic reluctance sensor negative input 1-2
JP23 CAN ground connected to ground Closed
JP24 VPRE correctly connected to BUCK output Closed
S1 Key-In switch ON: KEY-IN asserted OFF: KEY-IN notasserted
5.3 Getting started
5.3.1 Start up1. Configure all the jumper according to Table 3. Jumpers configuration;2. Connect a Power supply to JP1 respecting the right polarity;3. Configure the power supply connected to J1 to 13.5 V ;4. Switch on the power supply;5. Switch ON S1 (Key-in) to enable the device;6. For further information connect a µC and follow the related documentation to check the internal register
status of L9788.
UM2582Default jumpers setting
UM2582 - Rev 1 page 15/23
Appendix A L9788 Evaluation board schematics
Figure 8. EVAL-L9788 regulators schematic diagram
VB_IN78
Boost_G76
VBAT_SENSE77
VSENSE3 66
VSENSE1 68
VSENSE2 67V
B_I
N_S
W82
TAB
_GN
DTA
B
KEY_IN9
WAKE_IN10
VB_STBY7
VPRE 69
BUCK_SW 81
BUCK_C_BST 80
VDD5_IN 72
VDD5_GATE 73
CP79
VSENSE4_MON8
MRD11
U1AL9788
C18
10uF
GND
C25
0.47uF
C26
0.47uF
C27
0.47uF
GND GND GND
VTRK1
VTRK2
VTRK3
VDD5TP5VDD5
TP9VTRK1
TP11VTRK2
TP13VTRK3
L2
22uHD4
STPS3L60C8
10uF
C7
47nF
GND GND
C9
10uF
VPRETP3VPRE
C6
100nF
C4
10uF
GND
C1
10uF
C2
10uF
C3
10uF
L1 10uHD2STPS3L60
R52R2R6
150K / 100K
GND R7
22K
R12100K
R9 1K
C21
100nF
GND GND
D1STTH4R02
R10 1K
R13100K
GND
C22
100nF
GND
C23
100nF
GND
GND
VBAT
12
J1
PWR SUPPLY
VBATGND
R20R
D3TVS
GND
1234
J2
Regulators
VDD5VTRK1VTRK2VTRK3
VDD5_GATE
VDD5_GATE
VPRE
VDD5
C20
4.7nF
GND
MRD
KEY_INWAKE_IN
VB_STBY_EXT
JP1
WAKE_IN
VBAT
KEY_IN
WAKE_IN
MRD
VB_STBY_EXT
VTRK_EXT_MON
12345
J3
KEY_WAKE
VTRK_EXT_MON
TP6KEY_IN
TP7WAKE_IN
TP8MRD
TP10VB_STBY
TP12VTRK_EXT_MON
TP4Boost_G
TP2VB_IN
TP1VBAT
D5TVS
TPSMB36A
TPSMB15AHE3
C5
100nF
C10
100nF
JP2
VB_STBY
R11 0
GND
R1
R3
C12
C14
100nF
GND
R4
C13
C15
100nF
GND
C17
GND
C19
GND
C16
100nF
GND
R8 0
C24
100nF
GND
S1KEY_IN
D7 KEY
D8 WAKE
KEY_IN
GND
D6 VBVBAT
WAKE_IN
D9 VDD5VDD5
R14
4K7
R15
4K7
R16
4K7
R17
2K2
1. R1, R3, C12, C13, R4, C17, C19 , reversefootprint, not mounted at default2. D2, D4 -> modify SMC footprint tocompatible with SMB size3. L1, L2 -> footprint will be compatible with10.7*10 also 7.3*6.8 size inductor.4. VDD5 Ext. MOS-> BUK9Y40 is mounted atdefault, D2PAK/DAPK package is reserved.
C73
GND
C74
10uF
GND
C11
100uF
C77 C78 C79
JP24
VPRE
G1
S1
D1 Q2BUK9Y40
Q3STD20NF06
G1
S1
D1Q1NVMF5885N L \ BUK9Y40
C81
4.7nF
C80
4.7nF
GNDGND
D26TVS
GND
D27TVS
VB_STBY_EXT
C82
4.7nF
GND
VB_STBY
GADG2404191210PS
UM2582L9788 Evaluation board schematics
UM2582 - Rev 1 page 16/23
Figure 9. EVAL-L9788 drivers schematic diagram
INJ1 36INJ2 39INJ3 12INJ4 14
O2H2A 86O2H2B 85
SOL1 65SOL2 63
RLY1 34RLY2 35RLY3 40RLY4 41RLY5 42
LED1 21LED2 22
O2H1A 90O2H1B 89
MSC_DI_N49MSC_DI_P48 MSC_CK_N47MSC_CK_P46 MSC_EN45
MSC_DO28
EN_N30EN_P31INJ_ENA29
Curr_sense_O2H193 Curr_sense_O2H283 TESTMODE_INTERNAL97
STR1_DRN 15STR1_SRC 16
STR2_SRC 17STR2_DRN 18
STR3_DRN 19STR3_SRC 20
IGN
661
IGN
562
IGN
444
IGN
343
IGN
233
IGN
132
PDR1_DRN 60PDR1_GATE 59
PDR2_DRN 56PDR2_GATE 55
PDR3_DRN 57PDR3_GATE 58
PDR4_DRN 53PDR4_GATE 54
PDR5_DRN 52PDR5_GATE 51
INJ 2
_GN
D3 8
INJ3
4_G
ND
13
GN
D1
5 0
SOL1
2_G
ND
6 4
PDR
_GN
D70
INJ1
_PG
ND
37
O2 H
1_P G
ND
A9 1
O2 H
1_P G
ND
B88
O2H
2_PG
ND
A87
O2H
2_PG
ND
B84
WDA24
SEO_OUT26
U1BL9788
Q5STGD18N40LZT4
GND
TP15IGN2
R23
4K7
C29
1.5nF
JP3IGN2
Q9STGD18N40LZT4
TP19IGN1
R29
4K7
C33
1.5nF
JP8IGN1
GND
C53
4.7nF
C54
4.7nF
C49
4.7nF
C50
4.7nF
C51
4.7nF
C52
4.7nF
C45
4.7nF
C46
4.7nF
C47
4.7nF
C48
4.7nF
C55
4.7nF
C56
4.7nF
C57
4.7nF
C58
4.7nF
C59
4.7nF
GND
R35
100RR39
100R
MSC_ENMSC_CK_P
MSC_CK_NMSC_DI_P
MSC_DI_NMSC_DO
WDA
SEO_OUT
INJ_ENAEN_NEN_P
TM_INTERNAL
O2H1_CURRENTO2H2_CURRENT
Q6
STGD
18N40LZT4
GND
TP16IGN4
R25
4K7
C30
1.5nF
JP5IGN4
Q4
STGD
18N40LZT4
GND
TP14IGN3
R24
4K7
C28
1.5nF
JP4IGN3
Q8STGD18N40LZT4
GND
TP18IGN6
R28
4K7
C32
1.5nF
JP7IGN4
Q7
STGD
18N40LZT4
GND
TP17IGN5
R26
4K7
C31
1.5nF
JP6IGN3
GND
R30
10K
C34
4.7nF
GND
R33
10K
C35
4.7nF
GND
R34
10K
C36
4.7nF
GND
R37
10K
C37
4.7nF
GND
R40
10K
C38
4.7nF
C39
4.7nF
C40
4.7nF
C41
4.7nF
C42
4.7nF
C43
4.7nF
C44
4.7nF
GND
12345678
J6
STR HS/LS
123456
J4
IGN_OUT
12345
J5
PR-DRIVER
D14STPS2H100
D13
IGN1
IGN2 IGN3IGN4
IGN5IGN6
IGN1IGN2IGN3IGN4IGN5IGN6
DRN5DRN4DRN3DRN2DRN1
DRN1
DRN2
DRN3
DRN4
DRN5
D12D11D10 D10 to D14
UBR
STR1_DRNSTR1_SRCSTR2_DRNSTR2_SRCSTR3_DRNSTR3_SRC
STR1_DRNSTR1_SRCSTR2_DRNSTR2_SRCSTR3_DRNSTR3_SRCGND
UBR
INJ1INJ2INJ3INJ4
O2H1
O2H2
SOL1SOL2
RLY1RLY2RLY3RLY4RLY5
LED1LED2
12345
J9
RLY-DRIVER
RLY1RLY2RLY3RLY4RLY5
12
J7
INJ_DRIVER
12
J8
INJ_DRIVER
INJ1INJ2
INJ3INJ4
12
J11
LED_DRIVER
LED1LED21
2
J12
SOL_DRIVER
SOL1SOL2
1234
J10
O2H
D18STPS2H100
D17STPS2H100
D16STPS2H100
D15 STPS2H100
UBR
O2H1
O2H2
TP20DRN1
TP21 DRN2
TP23 DRN3
TP25 DRN4
TP28 DRN5
TP32 GATE5
TP30 GATE4
TP26 GATE3
TP24 GATE2
TP22 GATE1
TP44 INJ1TP46 INJ2
TP48 INJ3TP50 INJ4
TP51 O2H1A
TP55 O2H2A
TP58 SOL1TP59 SOL2
TP60 RLY1TP61 RLY2
TP62 RLY3TP63 RLY4
TP64 RLY5
TP65 LED1TP66 LED2
TP36 STR1_DRNTP38 STR1_SRC
TP39 STR2_DRNTP41 STR2_SRC
TP42 STR3_DRNTP43 STR3_SRCJP9
SEO_INJ
R48 1K
R49 1K
JP10SEO_TM_INTERNAL
TP27MSC_EN
TP29 MSC_CK_PTP31MSC_CK_N
TP33 MSC_DI_PTP34MSC_DI_N
TP35 MSC_DO
TP37WDA
TP40SEO_OUT
TP45INJ_ENA
TP47 EN_NTP49 EN_P
TP52TM_INTERNAL
TP54 O2H2_CURR_SENSETP56 O2H2_CURR_SENSE
O2H1_CURR_SENS
R27
50
R18
50
R19
50 R20
50R21
50 R22
50
R4310KVDDIO
R53
10K
JP12
EN_N
R52
10K
JP11
EN_P
GND
VDDIO
R505K1
R515K1
GND GND
EN_P
EN_N
GND
R38 0R / R050
R36 0R DRN4
R31 0R
R32 0R / R050DRN2
R44 0RR42 0RR41 0R
R47 0RR46 0RR45 0R
GND
UBR
PRE-DRIVER MSC_O2HPredr = '0': R36 (NC), R38, R84 0Ω R31 (NC), R32, R80 0Ω
MSC_O2HPredr = '1':R36(0Ω), R38, R84 (0.05Ω) R31(0Ω), R32, R80 (0.05Ω)
HS LSSTR1 R41 R42STR2 R44 R45STR3 R46 R47
R73 0R
R75 0R
R76 0R
R78 0R
R82 0R
D22D21D20D20 to D23
D23 STPS2H100
UBR
R72 1K
R67 1K R68 1KR69 1K
R70 1KR71 1K
GND
R74 1K
R77 1K
R79 1K
R81 1K
R83 1K
R80 0R / R050
R84 0R / R050
G2
D2
S2
Q11ASTL15DN4F5G1
D1
S1
Q11BSTL15DN4F5G2
D2
S2
Q12ASTL15DN4F5G1
D1
S1
Q12BSTL15DN4F5
G1
S1
D1 Q10STL70N4LLF5
O2H1B
GADG2404191500PS
UM
2582L9788 Evaluation board schem
atics
UM
2582 - Rev 1
page 17/23
Figure 10. EVAL-L9788 interface schematic diagram
FLW_IN_P1
FLW_IN_N2FLW_OUT 3
LINTX4LINRX5 LIN 6
CANTX98CANRX96 CANH 94CANL 95V
B_C
AN
99
GN
D_C
AN
100
TESTMODE123TESTMODE375
VD
D_C
AN
92
RSTN25RSTC74
AD_TEST71
VD
DIO
27
U1CL9788
JP17 CAN_RXJP16 CAN_TX
C654.7nF
GND
R5460R
R5560R
JP20 LIN_RXJP19 LIN_TX
C69
470pF
C70
470pF
R5810K 1%
R6110K 1%
C66100pF / 1.5nF
C71100pF / 1.5nF
R6033K
R5933K
C68100nF
C67470pF
GND
GND GND GND
E_F_DGA
E_F_DGB
FLW_OUT
1234
J13
CAN/K/LIN
CANLCANH
CANLCANH
LIN
LIN
JP21
FLW_IN_P
JP22
FLW_IN_N
R6433K
R6533K
GND
VDD5R63
27KC721nF
GND
R6227K
VTRK1
E_F_DGHGND
VDD5VB_STBY VDD5
1234
J14
VRS/Hall
GND
E_F_DGAE_F_DGB
E_F_DGH
TESTMODE1TESTMODE3
AD_TEST
RSTNRSTC
LIN_TXLIN_RX
CAN_TXCAN_RX
FLW_OUT
C63220pF
D19BAS40
R561k
C641nF
GND
JP18
LIN Master/Slave
TP69LIN
VBAT
JP14
VDDIO3V3_EXT
GND
TP68 RSTCTP67 RSTNR57 1K
C62
100nF
C60
100nF
C61
100nF
JP15 VB_CANJP13 VDD_CAN
GND
VDDIO
GND
TP72E_F_DGA
TP73E_F_DGB
R8710K
R8810K
C75
47pF
C76
47pF
GND GND
TP75 CANLTP77 CANH
L3
ACT45B-101
31
D24A
23
D24B
R850
R86 0
GND
31
D25A
GND
JP23GND_CAN
TP70 TESTMODE3
GADG2404191535PS
Figure 11. EVAL-L9788 MCU connector schematic diagram
GND
VDD5GND
VDD5
GND
GND
GND VDD5
RSTN
MSC_DI_NMSC_DI_P
RSTC
SPI_DIN
MSC_CK_NSPI_CLK
MSC_CK_P
MSC_EN
SPI_DO
LIN_RX
O2H1_CURRENT
MSC_DO
FLW_OUT
CAN_RX
CAN_TX
EN_NWAKE_IN
WDA
SEO_OUT
INJ_ENA
EN_P
O2H2_CURRENT
LIN_TX
R66 0
TESTMODE1
GND
TM_INTERNAL
AD_TESTA1A1A2A2A3A3A4A4A5A5A6A6A7A7A8A8A9A9A10A10A11A11A12A12A13A13A14A14A15A15A16A16A17A17A18A18A19A19A20A20A21A21A22A22A23A23A24A24A25A25A26A26A27A27A28A28A29A29A30A30A31A31A32A32
B1 B1B2 B2B3 B3B4 B4B5 B5B6 B6B7 B7B8 B8B9 B9
B10 B10B11 B11B12 B12B13 B13B14 B14B15 B15B16 B16B17 B17B18 B18B19 B19B20 B20B21 B21B22 B22B23 B23B24 B24B25 B25B26 B26B27 B27B28 B28B29 B29B30 B30B31 B31B32 B32
C1C1 D1 D1C2C2C3C3C4C4C5C5C6C6C7C7C8C8C9C9C10C10C11C11C12C12C13C13C14C14C15C15C16C16C17C17C18C18C19C19C20C20C21C21C22C22C23C23C24C24C25C25C26C26C27C27C28C28C29C29C30C30C31C31C32C32
D2 D2D3 D3D4 D4D5 D5D6 D6D7 D7D8 D8D9 D9
D10 D10D11 D11D12 D12D13 D13D14 D14D15 D15D16 D16D17 D17D18 D18D19 D19D20 D20D21 D21D22 D22D23 D23D24 D24D25 D25D26 D26D27 D27D28 D28D29 D29D30 D30D31 D31D32 D32
A33A33 B33 B33 C33C33 D33 D33A34A34 B34 B34 C34C34 D34 D34A35A35A36A36 B35 B35
B36 B36 D35 D35D36 D36C35C35
C36C36
J15
HEADER 36X4
MSC_ENMSC_CK_PMSC_CK_NMSC_DI_PMSC_DI_N
MSC_DO
WDASEO_OUT
INJ_ENAEN_NEN_P
TM_INTERNAL
O2H1_CURRENTO2H2_CURRENT
TESTMODE1TESTMODE3
AD_TEST
RSTNRSTC
LIN_TXLIN_RX
CAN_TXCAN_RX
FLW_OUT
MSC_ENMSC_CK_PMSC_CK_NMSC_DI_PMSC_DI_NMSC_DO
WDASEO_OUT
INJ_ENA
EN_PEN_N
TM_INTERNAL
O2H1_CURRENTO2H2_CURRENT
CAN_TXCAN_RX
TESTMODE1
AD_TEST
RSTNRSTC
LIN_TXLIN_RXFLW_OUT
R94
GADG2404191602PS
UM2582L9788 Evaluation board schematics
UM2582 - Rev 1 page 18/23
Revision history
Table 4. Document revision history
Date Version Changes
03-May-2019 1 Initial release.
UM2582
UM2582 - Rev 1 page 19/23
Contents
1 Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 L9788 block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
3 L9788 pinout and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
4 Board layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
5 Jumpers and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
5.1 Mother board jumpers and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Default jumpers setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.3 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.3.1 Start up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Appendix A L9788 Evaluation board schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
UM2582Contents
UM2582 - Rev 1 page 20/23
List of tablesTable 1. Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Table 2. Mother board jumpers and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Table 3. Jumpers configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Table 4. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
UM2582List of tables
UM2582 - Rev 1 page 21/23
List of figuresFigure 1. Application block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Figure 2. L9788 Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Figure 3. Pinout diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Figure 4. Board front layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Figure 5. Board back layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Figure 6. Board front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Figure 7. Microcontroller connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Figure 8. EVAL-L9788 regulators schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Figure 9. EVAL-L9788 drivers schematic diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Figure 10. EVAL-L9788 interface schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Figure 11. EVAL-L9788 MCU connector schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
UM2582List of figures
UM2582 - Rev 1 page 22/23
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UM2582
UM2582 - Rev 1 page 23/23
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