# TP4056 Reference Design ## Description Reference design for Li-ion single cell charger based on TP4056 IC. Rprog setting output current to 900mA. VIN and BAT connector are block terminal connectors. #project #Template #referenceDesign #charger #TP4056 #referenceDesign #batterycharger #template #bms #reference-design ## Project Details - **Owner:** 000100 - **Created:** 3/11/2025 - **Last Updated:** 4/14/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### + BAT - — [JST B2B PH K 01x02 Connector](https://www.flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector.md) - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Manufacturer Name: JST Sales America - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### CHRG — [LED-0603-Template](https://www.flux.ai/vasy_skral/led-0603-template.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D1 — [SS34-E3/57T](https://www.flux.ai/adrian95/ss34-e357t.md) - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.vishay.com/docs/88751/ss32.pdf - Manufacturer Name: Vishay General Semiconductor - Diodes Division - Manufacturer Part Number: SS34-E3/57T **Pins:** - A [pin 2] - K [pin 1] ### J1 — [USB-C 2.0 Receptacle](https://www.flux.ai/corynrobinson/usb-c-20-receptacle.md) - Purchase Url: https://www.digikey.com/en/products/detail/gct/USB4105-GF-A/11198441 - Part Type: USB C - Manufacturer Name: GTC - Manufacturer Part Number: USB4105-GF-A - Datasheet URL: https://gct.co/files/drawings/usb4105.pdf **Pins:** - CC1 [pin 6] - CC2 [pin 12] - D- [pin 9] - D- [pin 7] - D+ [pin 10] - D+ [pin 8] - GND [pin 15] - GND [pin 1] - GND [pin 16] - GND [pin 2] - SBU1 [pin 11] - SBU2 [pin 5] - VBUS [pin 14] - VBUS [pin 13] - VBUS [pin 4] - VBUS [pin 3] ### Rprog — [Res-0603-US-Template Simplified Footprint No Prop](https://www.flux.ai/vasy_skral/res-0603-us-template-simplified-footprint-no-prop.md) - Part Type: Resistor - Resistance: 1.2kΩ **Pins:** - P1 [pin 1] - P2 [pin 2] ### STDB — [LED-0603-Template](https://www.flux.ai/vasy_skral/led-0603-template.md) - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### U1 — [TP4056](https://www.flux.ai/vasy_skral/tp4056.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://dlnmh9ip6v2uc.cloudfront.net/datasheets/Prototyping/TP4056.pdf - Manufacturer Name: NanJing Top Power ASIC Corp. - Part Type: Integrated Circuit - Manufacturer Part Number: TP4056 **Pins:** - ~CHRG [pin 7] - ~STDBY [pin 6] - BAT [pin 5] - CE [pin 8] - EP [pin 9] - GND [pin 3] - PROG [pin 2] - TEMP [pin 1] - VCC [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/000100/tp4056-reference-design](https://www.flux.ai/000100/tp4056-reference-design).* --- *Generated from [https://www.flux.ai/000100/tp4056-reference-design](https://www.flux.ai/000100/tp4056-reference-design)*