Full-size USB Charger Circuit Maximize

Full-size USB Charger Boost Circuit

Use this circuit to charge a USB device from a 0.9V - 5V power source. Useful for making solar powered USB devices and Lipo Battery USB charger circuits.

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Availability: SHIPS TODAY

Last Updated: 02/20/2024





  • Charge a USB device from a battery rated anywhere from 0.9V to 5V!
  • Input Voltage: 0.9V to 5V DC
  • Output voltage :5V to 5.2 V DC via USB
  • Output Current:
    • 600mA (with a single lipo battery input)
    • 500-600mA (with 2 AA batteries as input)
    • 200mA (with a single AA battery input)
  • Efficiency: Up to 96%
  • Switching frequency: 500KHz
  • Output ripple: 30mV (MAX) 20M
  • Power indicator LED: lights up when connected
  • Operating Temperature: -40 to 85 C
  • Full load temperature rise: 30 C
  • Quiescent Current: 130uA
  • Load regulation: ± 1%
  • Voltage regulation: ± 0.5%
  • Dynamic response speed: 5% 200uS
  • Connection: Soldering or Alligator Clips
  • Pinout:
    • Input: IN + input is power (red wire), IN - ground (black wire)
    • Output: Standard USB Port
  • Board Dimensions : 2.9 x 1.8 x 0.8mm (excluding USB port)
  • Weight: 5g
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