bq25504
bq25504 is ultra low-power boost converter manufactured by Texas Instruments.
ures
- Ultra low-power with high-efficiency DC-DC boost converter/charger
- Continuous energy harvesting from low-input sources: VIN ≥ 130 m V (Typical)
- Ultra-low quiescent current: IQ < 330 n A (Typical)
- Cold-start voltage: VIN ≥ 600 m V (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
2 Applications
- Energy harvesting
- Solar chargers
- Thermal electric generator (TEG) harvesting
- Wireless sensor networks (WSNs)
- Industrial monitoring
- Environmental monitoring
- Bridge and structural health monitoring (SHM)
- Smart building controls
- Portable and wearable health devices
- Entertainment system remote controls
3...
