# FM4057S42 (Component)

## Description

Battery Management ICs
FM4057S42
SOT\-23\-6\_L2\.9\-W1\.6\-P0\.95\-LS2\.8\-BL
LCSC Part Number: C841287
JLCPCB Part Class: Extended Part
Manufactured by FM\(富满\) 

## Component Details

- **Owner:** lcsc
- **Created:** 11/1/2024
- **Last Updated:** 10/15/2026
- **Visibility:** Public
- **JLCPCB Part Class:** Extended Part
- **Package or Case Code:** SOT\-23\-6\_L2\.9\-W1\.6\-P0\.95\-LS2\.8\-BL
- **Manufacturer Name:** FM\(富满\)
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2409280230\_Shenzhen\-Fuman\-Elec\-FM4057S42\_C841287\.pdf
- **Manufacturer Part Number:** FM4057S42
- **LCSC Part Number:** C841287
- **Part Type:** Battery Management ICs
- **Product Info Url:** https://lcsc\.com/product\-detail/PMIC\-Battery\-Management\_Shenzhen\-Fuman\-Elec\-FM4057S42\_C841287\.html

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [LCSC](https://www.lcsc.com/product-detail/C841287.html) | N/A | N/A |

- **Part Type:** Power Supply Products
- **MPN:** FM4057S42
- **Mount Type:** PCB
- **Package / Case Code:** SOT\-23\-6
- **Pin Count:** 6
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | CHRG | Unspecified |
| 2 | GND | Unspecified |
| 3 | BAT | Unspecified |
| 4 | VIN | Unspecified |
| 5 | DONE | Unspecified |
| 6 | ISET | Unspecified |

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*Generated from [https://flux\.ai/lcsc/fm4057s42\~5bq2](https://flux.ai/lcsc/fm4057s42~5bq2)*