bq25504 Overview
The BQ25504 device is the first of a new family of intelligent integrated energy harvesting nano-power management solutions that are well suited for meeting the special needs of ultra low power applications. The device is specifically designed to efficiently acquire and manage the microwatts (µW) to miliwatts (mW) of power generated from a variety of DC sources like photovoltaic (solar) or thermal electric...
bq25504 Key Features
- Ultra low-power with high-efficiency DC-DC boost converter/charger
- Continuous energy harvesting from low-input sources: VIN ≥ 130 mV (Typical)
- Ultra-low quiescent current: IQ < 330 nA (Typical)
- Cold-start voltage: VIN ≥ 600 mV (typical)
- Programmable dynamic maximum power point
- Integrated dynamic maximum power point tracking for optimal energy extraction from a variety of energy generation source
- Input voltage regulation prevents collapsing input source
- Energy storage
- Energy can be stored to rechargeable li-ion batteries, thin-film batteries, super-capacitors, or conventional capacitors
- Battery charging and protection
bq25504 Applications
- Ultra low-power with high-efficiency DC-DC boost converter/charger
- Continuous energy harvesting from low-input sources: VIN ≥ 130 mV (Typical)