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BQ25504
SLUSAH0G – OCTOBER 2011 – REVISED AUGUST 2023
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
• Batter