1 Features

• Hybrid Power Boost Mode to power up system from adapter and battery together
  • Ultra-fast transient response of 150 µs to enter Hybrid Power Boost Mode
• Battery Only Boost Mode to extend battery run time
• Peak power two-level input current limit to maximize the power from adapter and minimize battery discharge
• Charge 1- to 4-cell battery pack from 4.5- to 24-V adapter
• High accuracy power and current monitoring for CPU throttling
  • Comprehensive PROCHOT profile
  • ± 2% Current monitor accuracy
  • ± 5% System Power Monitor Accuracy (PMON)
• Automatic NMOS power source selection from adapter or battery
  • ACFET Fast turn on in 100 µs when exiting learn mode from battery removal
• Programmable input current, charge voltage, charge and discharge current limit
  • ±0.4% Charge voltage (16-mV/step)
  • ±2% Input current (64-mA/step)
  • ±2% Charge current (64-mA/step)
  • ±2% Discharge current (512-mA/step)
• High integration
  • Battery LEARN function
  • Battery present monitor
  • Boost Mode indicator
  • Loop compensation
  • BTST Diode
• Enhanced safety features for over-voltage protection, over-current protection, battery, inductor, and MOSFET short-circuit protection
• Switching frequency: 300 kHz, 400 kHz, 600 kHz, and 800 kHz
• Realtime system control on ILIM pin to limit charge and discharge current
• 0.65-mA Adapter standby quiescent current for Energy Star