# LTC4121EUD-4.2-PBF (Component)
## Description
Switching Synchronous Battery Charger Li-Ion/Li-Polymer 400mA 4.2V 16-Pin QFN EP Tube #CommonPartsLibrary #IntegratedCircuits #BatteryChargers #LTC4121
## Component Details
- **Owner:** adrian95
- **Created:** 1/27/2023
- **Last Updated:** 1/27/2023
- **Visibility:** Public
- **Datasheet URL:** https://www.analog.com/media/en/technical-documentation/data-sheets/4121fbc.pdf
- **Manufacturer Name:** Analog Devices Inc.
- **Manufacturer Part Number:** LTC4121EUD-4.2#PBF
- **Part Type:** Integrated Circuit
- **Used in:** 4 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/ltc4121eud-4.2pbf/analog-devices.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/analog-devices-inc/LTC4121EUD-4-2-PBF/5125447) | $8.92 | 928 |
| [LCSC](https://www.lcsc.com/product-detail/C687337.html) | $8.7155 | 6 |
| [Mouser](https://www.mouser.com/ProductDetail/Analog-Devices/LTC4121EUD-4.2PBF?qs=hVkxg5c3xu92SaY3kbxDKQ%3D%3D) | $8.59 | 156 |
| [Verical](https://www.verical.com/pd/analog-devices-battery-management-LTC4121EUD-4-2-PBF-6191825?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Analog Devices
- **MPN:** LTC4121EUD-4.2#PBF
- **Package / Case Code:** 16-QFN
- **Pin Count:** 17
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | INTVCC | |
| 2 | BOOST | |
| 3 | IN | |
| 4 | SW | |
| 5 | GND | |
| 6 | MPPT | |
| 7 | FREQ | |
| 8 | CHGSNS | |
| 9 | BAT | |
| 10 | BATSNS | |
| 11 | NC | |
| 12 | NTC | |
| 13 | PROG | |
| 14 | *CHRG | |
| 15 | *FAULT | |
| 16 | RUN | |
| 17 | GND | |
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*Generated from [https://www.flux.ai/adrian95/ltc4121eud-4p2-pbf~9pn](https://www.flux.ai/adrian95/ltc4121eud-4p2-pbf~9pn)*