component
STC4054GR
Public Made by Adomby adom
STMicroelectronics Battery Management, TSOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTC4054GR
STMicroelectronics · Battery Management · TSOT-23-5
STC4054GR from STMicroelectronics, in a TSOT-23-5. 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 | CHRG | output | Open-drain charge status output indicating charging (low impedance), standby (weak pull-down ~20µA), or under-voltage condition (high impedance). |
| 2 | GND | power_in | Ground reference pin. |
| 3 | BAT | output | Battery charge current output providing regulated 4.2V float voltage with maximum 2µA reverse leakage current in Shutdown mode. |
| 4 | VCC | power_in | Input power supply voltage pin accepting 4.25V to 6.5V; device enters Shutdown mode when VCC drops below VBAT+30mV. |
| 5 | PROG | input | Charge current programming and monitoring input pin; external resistor to GND programs charge current with device monitoring VPROG per formula IBAT=(VPROG/RPROG)×1000. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | TSOT-23-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |
CAD (KiCad official)
- Symbol:
STC4054GR - Footprint:
Package_TO_SOT_SMD:TSOT-23-5 - 3D model: TSOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
stc4054gr-etched.step/stc4054gr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stc4054gr.step/stc4054gr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (17 pp, sha256
dad4a83a71630cdd, retrieved 2026-09-24, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).