* Ultra Low-Power With High-Efficiency DC-DC Boost Converter/Charger * Continuous Energy Harvesting From Low-Input Sources: VIN ≥ 80 mV (Typical) * Ultra-Low Quiescent Current: IQ (Typical) * Cold-Start Voltage: VIN ≥ 330 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