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TP4057-MS
Public Made by Adomby adom
MSKSEMI Battery Management, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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TP4057-MS
MSKSEMI · Battery Management · SOT-23-6
TP4057-MS from MSKSEMI, in a SOT-23-6. 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 that an internal switch pulls low while the charger is charging (VCHRG max 0.6V at 5mA) and otherwise leaves high impedance; absolute maximum rating is -0.3V to 9V. |
| 2 | GND | power_in | Ground pin, listed in the pin table only as 地 (ground) with no further function stated. |
| 3 | BAT | power_out | Charge-current output to the battery; the internal precision resistor divider sets the final float voltage to 4.2V and is disconnected in shutdown; absolute range is -4.2V to 7V and BAT pin current is rated at 600mA. |
| 4 | VCC | power_in | Positive input supply that must be bypassed with at least one 1µF capacitor; the datasheet states VCC varies from 4V to 6.5V, and the charger enters shutdown when VCC falls to within 80mV of the BAT voltage; absolute maximum rating is 0V to 9V. |
| 5 | STDBY | output | Open-drain charge-complete indicator that an internal switch pulls low when charging is complete and otherwise leaves high impedance (VSTDBY max 0.6V at 5mA); absolute maximum rating is -0.3V to 9V. |
| 6 | PROG | passive | Charge-current set, monitor and shutdown pin: a 1% resistor to GND sets the current and holds PROG at 1V in constant-current mode, and a voltage above 2.6V shuts the charger down; absolute range is -0.3V to VCC+0.3V with a maximum pin current of 800µA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23-6 |
| Category | Power Management (PMIC) |
| Pins | 6 |
CAD (KiCad official)
- Symbol:
TP4057-MS - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
tp4057-ms-etched.step/tp4057-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tp4057-ms.step/tp4057-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (10 pp, sha256
4b1375c844742e88, retrieved 2026-10-09, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).
# TP4057-MS
**MSKSEMI** · Battery Management · SOT-23-6
TP4057-MS from MSKSEMI, in a SOT-23-6. 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 that an internal switch pulls low while the charger is charging (VCHRG max 0.6V at 5mA) and otherwise leaves high impedance; absolute maximum rating is -0.3V to 9V. |
| 2 | GND | power_in | Ground pin, listed in the pin table only as 地 (ground) with no further function stated. |
| 3 | BAT | power_out | Charge-current output to the battery; the internal precision resistor divider sets the final float voltage to 4.2V and is disconnected in shutdown; absolute range is -4.2V to 7V and BAT pin current is rated at 600mA. |
| 4 | VCC | power_in | Positive input supply that must be bypassed with at least one 1µF capacitor; the datasheet states VCC varies from 4V to 6.5V, and the charger enters shutdown when VCC falls to within 80mV of the BAT voltage; absolute maximum rating is 0V to 9V. |
| 5 | STDBY | output | Open-drain charge-complete indicator that an internal switch pulls low when charging is complete and otherwise leaves high impedance (VSTDBY max 0.6V at 5mA); absolute maximum rating is -0.3V to 9V. |
| 6 | PROG | passive | Charge-current set, monitor and shutdown pin: a 1% resistor to GND sets the current and holds PROG at 1V in constant-current mode, and a voltage above 2.6V shuts the charger down; absolute range is -0.3V to VCC+0.3V with a maximum pin current of 800µA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23-6 |
| Category | Power Management (PMIC) |
| Pins | 6 |
## CAD (KiCad official)
- Symbol: `TP4057-MS`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `tp4057-ms-etched.step` / `tp4057-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tp4057-ms.step` / `tp4057-ms.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MSKSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908002050793472) (10 pp, sha256 `4b1375c844742e88`, retrieved 2026-10-09, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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](docs/tp4057-ms-datasheet.pdf)