component

L9788TR

Public Made by Adom

by adom

STMicroelectronics Power Management Specialized - PMIC, LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower supply chipl9788trfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 14d ago
viewers l9788tr: viewers · Ray 14d ago
l9788tr-etched.glb l9788tr: factory component page (tier=lcsc) · Ray 14d ago
l9788tr-etched.step l9788tr: factory component page (tier=lcsc) · Ray 14d ago
l9788tr-hero.glb l9788tr: hero GLB from the etched model (keeps the MPN mark) · Ray 14d ago
l9788tr-hero.overlay.json Publish 0.1.0 · Ray 14d ago
l9788tr.glb Publish 0.1.0 · Ray 14d ago
l9788tr.kicad_mod Publish 0.1.0 · Ray 14d ago
l9788tr.kicad_sym Publish 0.1.0 · Ray 14d ago
l9788tr.lbr Publish 0.1.0 · Ray 14d ago
l9788tr.step Publish 0.1.0 · Ray 14d ago
package.json Publish 0.1.0 · Ray 14d ago
page.json Set visibility: public · Ray 14d ago
README.md Publish 0.1.0 · Ray 14d ago

L9788TR

STMicroelectronics · Power Management Specialized - PMIC · LQFP-100(14x14)

L9788TR from STMicroelectronics, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 FLW_IN_P power_in Flying wheel input voltage, positive terminal; the datasheet gives no electrical limits for this pin.
2 FLW_IN_N power_in Flying wheel input voltage, negative terminal; the datasheet gives no electrical limits for this pin.
3 FLW_OUT output Flying wheel output voltage (digital output); no electrical limits given.
4 LIN_TX input LIN data input (transmit path to the LIN driver); no electrical limits given.
5 LIN_RX output LIN data output (receive path from the LIN driver); no electrical limits given.
6 LIN bidirectional LIN bus driver output, listed as power in/out; no electrical limits given.
7 VB_STBY power_in Supply voltage for the standby function; no electrical limits given.
8 VSENSE4_MON input Monitor analog input for the tracking sensor supply; no electrical limits given.
9 Key in power_in Key signal input, listed as power in; no electrical limits given.
10 Wake in power_in Wake-up signal input, listed as power in; no electrical limits given.
11 MRD power_out Main relay driver output voltage; no electrical limits given.
12 INJ3 power_out Injector driver output voltage; no electrical limits given.
13 INJ34_PGND power_in Ground for injector drivers 3 and 4.
14 INJ4 power_out Injector driver output voltage; no electrical limits given.
15 STR1_DRN power_out Configurable high/low side drain voltage for driver 1; no electrical limits given.
16 STR1_SRC power_out Configurable high/low side source voltage for driver 1; no electrical limits given.
17 STR2_SRC power_out Configurable high/low side source voltage for driver 2; no electrical limits given.
18 STR2_DRN power_out Configurable high/low side drain voltage for driver 2; no electrical limits given.
19 STR3_DRN power_out Configurable high/low side drain voltage for driver 3; no electrical limits given.
20 STR3_SRC power_out Configurable high/low side source voltage for driver 3; no electrical limits given.
21 LED1 power_out LED driver output voltage; no electrical limits given.
22 LED2 power_out LED driver output voltage; no electrical limits given.
23 GND power_in Ground.
24 WDA bidirectional Watchdog input/output.
25 RSTN output Reset output for VDD5.
26 SEO_OUT output SEO output pin (digital output).
27 VDD_IO power_in Dedicated supply for FLW_OUT, MSC_DO, LIN_RX and CAN_RX; no voltage limits given.
28 MSC_DO output MSC digital I/O (digital output).
29 INJ_ENA input Enable input for the injector drivers.
30 EN_N input Enable signal input (N side).
31 EN_P input Enable signal input (P side).
32 IGN1 power_out Ignition pre-driver output voltage; no electrical limits given.
33 IGN2 power_out Ignition pre-driver output voltage; no electrical limits given.
34 RLY1 power_out Relay driver output voltage; no electrical limits given.
35 RLY2 power_out Relay driver output voltage; no electrical limits given.
36 INJ1 power_out Injector driver output voltage; no electrical limits given.
37 INJ1_PGND power_in Ground for injector driver 1.
38 INJ2_PGND power_in Ground for injector driver 2.
39 INJ2 power_out Injector driver output voltage; no electrical limits given.
40 RLY3 power_out Relay driver output voltage; no electrical limits given.
41 RLY4 power_out Relay driver output voltage; no electrical limits given.
42 RLY5 power_out Relay driver output voltage; no electrical limits given.
43 IGN3 power_out Ignition pre-driver output voltage; no electrical limits given.
44 IGN4 power_out Ignition pre-driver output voltage; no electrical limits given.
45 MSC_EN input MSC digital I/O enable (digital input).
46 MSC_CK_P input MSC clock, positive (digital input).
47 MSC_CK_N input MSC clock, negative (digital input).
48 MSC_DI_P input MSC data input, positive (digital input).
49 MSC_DI_N input MSC data input, negative (digital input).
50 GND1 power_in Power ground, shorted to GND by the package.
51 PRD5_GATE power_out Gate voltage output of general purpose pre-driver 5.
52 PRD5_DRN power_in Feedback voltage input (drain) of general purpose pre-driver 5.
53 PRD4_DRN power_in Feedback voltage input (drain) of general purpose pre-driver 4.
54 PRD4_GATE power_out Gate voltage output of general purpose pre-driver 4.
55 PRD2_GATE power_out Gate voltage output of general purpose pre-driver 2.
56 PRD2_DRN power_in Feedback voltage input (drain) of general purpose pre-driver 2.
57 PRD3_DRN power_in Feedback voltage input (drain) of general purpose pre-driver 3.
58 PRD3_GATE power_out Gate voltage output of general purpose pre-driver 3.
59 PRD1_GATE power_out Gate voltage output of general purpose pre-driver 1.
60 PRD1_DRN power_in Feedback voltage input (drain) of general purpose pre-driver 1.
61 IGN6 power_out Ignition pre-driver output voltage; no electrical limits given.
62 IGN5 power_out Ignition pre-driver output voltage; no electrical limits given.
63 SOL2 power_out Valve driver output voltage; no electrical limits given.
64 SOL12_PGND power_in Ground for valve drivers 1 and 2.
65 SOL1 power_out Valve driver output voltage; no electrical limits given.
66 VSENSE3 power_out 5 V tracking sensor supply output voltage.
67 VSENSE2 power_out 5 V tracking sensor supply output voltage.
68 VSENSE1 power_out 5 V tracking sensor supply output voltage.
69 VPRE power_out Pre-buck regulator output voltage.
70 PDR_GND power_in Ground pin for the predriver supply feedback input.
71 AD_TEST output AD test pin (analog output).
72 VDD5_IN power_in 5 V regulator feedback voltage input.
73 VDD5_GATE power_out Pre-driver output for the 5 V linear regulator.
74 RSTC output Reset output for the VDDIO supply.
75 GND power_in Ground.
76 Boost_G power_out Boost low-side gate voltage output.
77 VBAT_Sense power_in Battery supply voltage sense input.
78 VB_IN power_in Battery supply voltage input.
79 CP power_out Charge pump output.
80 Buck_C_BST power_out Bootstrap capacitor pin for the buck regulator.
81 Buck_SW power_out Buck switching pin.
82 VB_IN_SW power_in Buck regulator supply voltage input.
83 CURR_Sense_O2H2 output O2 heater driver 2 output current value (analog output).
84 O2H2_PGNDB power_in Ground for O2 heater driver 2, B side.
85 O2H2B power_out O2 heater driver 2, B output voltage.
86 O2H2A power_out O2 heater driver 2, A output voltage.
87 O2H2_PGNDA power_in Ground for O2 heater driver 2, A side.
88 O2H1_PGNDB power_in Ground for O2 heater driver 1, B side.
89 O2H1B power_out O2 heater driver 1, B output voltage.
90 O2H1A power_out O2 heater driver 1, A output voltage.
91 O2H1_PGNDA power_in Ground for O2 heater driver 1, A side.
92 VDD_CAN power_in CAN supply, 5 V.
93 CURR_Sense_O2H1 output O2 heater driver 1 output current value (analog output).
94 CANH bidirectional CANH bus output (power in/out).
95 CANL bidirectional CANL bus output (power in/out).
96 CAN_RX bidirectional CAN receive data output (digital in/out).
97 GND power_in Ground.
98 CAN_TX input CAN transmit data input.
99 VB_CAN power_in CAN enable signal supply input.
100 GND_CAN power_in CAN ground.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-100(14x14)
Category Power Supply Chip
Pins 100

CAD (KiCad official)

  • Symbol: L9788TR
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: l9788tr-etched.step / l9788tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); l9788tr.step / l9788tr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (12 pp, sha256 ed97c1ea9c8775f2, retrieved 2026-10-12, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF