How to use TP5100 2A 8.4/4.2V 1S and 2S Lithium Battery Charger

Project Video
Project Details

In this video TP5100 1/2 Cell battery charger is fully explained. Datasheet is viewed. Wiring explained and charging 1 or 1 battery is demonstrated. Also Short circuit protection and battery reverse connection protection is demonstrated. Nothing is left unexplained.

Chapters of this video tutorial

  • 00:00 Hardware explained
  • 01:10 Where to buy it from?
  • 02:14 Datasheet viewed
  • 04:40 Schematic explained
  • 06:49 Wiring Explained
  • 09:02 Charging 1S Lithium battery
  • 10:38 Calculating charge time
  • 11:20 Charging 2S Lithium batteries
  • 13:22 Demonstration: Short circuit protection
  • 13:48 Demonstration: Battery reversed connection protection

Specifications of this module

  • dual-cell 8.4V/single-cell 4.2V
  • input voltage of 5V-15V
  • switching mode frequency:400kHz
  • No need for external anti-backflow Schottky diode
  • Red LED: Charging battery
  • Blue LED: standby
  • Flashing Red/Blue: Battery capacitor, no battery
  • Both Red/Blue LED off. VIN very low/High, or high temperature shutdown
  • Battery temperature protection
  • battery reverse connection shutdown
  • short circuit protection
  • Maximum junction temperature: 120°
  • Working environment temperature range: -40°C~85°C
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