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Data Sheet
BQ25504 Ultra Low-Power Boost Converter With Battery Management For Energy Harvester Applications
1 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 tracking (MPPT)
- Integrated dynamic maximum power point tracking for optimal energy extraction from a variety of energy generation sources
- 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
- User Programmable undervoltage and overvoltage levels
- On-chip temperature sensor with programmable overtemperature shutoff
- Battery status output
- Battery good output pin
- Programmable threshold and hysteresis
- Warn attached microcontrollers of pending loss of power
- Can be used to enable or disable system loads
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