bq25505 Overview
The bq25505 device is specifically designed to efficiently extract the microwatts (µW) to miliwatts (mW) of power generated from a variety of DC energy harvesting, high-impedance sources like photovoltaic (solar) or thermal electric generators (TEGs) without collapsing those sources.
bq25505 Key Features
- 1 Ultra Low-Power With High-Efficiency DC-DC Boost Charger
- Cold-Start Voltage: VIN ≥ 600 mV
- Continuous Energy Harvesting From Input
- Ultra-Low Quiescent Current of 325 nA
- Input Voltage Regulation Prevents Collapsing High-Impedance Input Sources
- Ship Mode With < 5 nA From Battery
- Energy Storage
- Energy can be Stored to Rechargeable Li-Ion Batteries, Thin-Film Batteries, SuperCapacitors, or Conventional Capacitors
- Battery Charging and Protection
- Internally Set Undervoltage Level
bq25505 Applications
- 1 Ultra Low-Power With High-Efficiency DC-DC Boost Charger