BQ24800
BQ24800 is SMBus 1- to 4-Cell Buck Battery Charge Controller manufactured by Texas Instruments.
SLUSDO8A
- MARCH 2020
- REVISED JANUARY 2025
BQ24800 SMBus 1- to 4-Cell Buck Battery Charge Controller With Peak Power, Hybrid Power Boost and Battery Only Boost Modes
1 Features
- Hybrid Power Boost Mode to power up system from adapter and battery together
- Ultra-fast transient response of 150µs to enter Hybrid Power Boost Mode
- Battery Only Boost Mode to support larger system transients and 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 4.5V to 24V adapter
- High accuracy power and current monitoring for CPU throttling
- prehensive 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 100µs when exiting learn mode from battery removal
- Programmable input current, charge voltage, charge and discharge current limit
- ±0.4% Charge voltage (16m V/step)
- ±2% Input current (64m A/step)
- ±2% Charge current (64m A/step)
- ±2% Discharge current (512m A/step)
- High integration
- Battery LEARN function
- Battery present monitor
- Boost Mode indicator
- Loop pensation
- BTST Diode
- Enhanced safety Features for overvoltage protection, overcurrent protection, battery, inductor, and MOSFET short-circuit protection
- Switching frequency: 300k Hz, 400k Hz, 600k Hz, and 800k Hz
- Realtime system control on ILIM pin to limit charge and discharge...
Representative BQ24800 image (package may vary by manufacturer)
