PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost @ 500mA+

The PowerBoost 500C is a DC/DC boost converter with integrated LiPo/LiIon battery charger. Convert any 3.7V battery to 5.2V output while simultaneously charging – perfect as a portable power supply or UPS for your projects.

Built around the TPS61090 boost converter, it delivers 500mA+ output (up to 1000mA with a capable battery) with over 90% efficiency. The 5.2V output provides headroom for cable resistance and high-current draws, keeping your Arduino, Raspberry Pi, or other 5V projects running smoothly.

Key Features

• Charge and Boost Simultaneously – Use as an uninterruptible power supply
• 500mA+ Output – Up to 1A with appropriate battery
• 500mA Charge Rate – MicroUSB input for battery charging
• 5.2V Output – Headroom for cable loss and high current
• Low Battery Indicator – Red LED at 3.2V threshold
• Charge Status LEDs – Yellow (charging), Green (complete)
• Enable Pin – Disconnect output completely when grounded
• iOS Data Resistors – 500mA charge rate for iPhones/iPods

Specifications

• Boost Converter: TPS61090
• Input Voltage: 3.7V LiPo/LiIon battery
• Output Voltage: 5.2V DC
• Output Current: 500mA+ (up to 1A with capable battery)
• Charge Input: MicroUSB
• Charge Rate: 500mA max
• Efficiency: 90%+ typical
• Quiescent Current: 5mA enabled, 20µA disabled
• Internal Switch: 2A (2.5A peak limiting)
• Frequency: 700KHz

Ideal For

• Portable Arduino and Raspberry Pi projects
• Battery-backed UPS applications
• Robot power supplies
• Mobile device charging stations

Package Contents

• 1× PowerBoost 500C (assembled and tested)
• 1× USB A jack (unsoldered)

Resources

• Adafruit Learning Guide
• TPS61090 Datasheet