BQ24123
Features
- 1 Enhanced EMI Performance
- Integrated Power FETs For Up To 2-A Charge
Rate
- Suitable For 1-, 2-, or 3-Cell Li-Ion and Li-Polymer
Battery Packs
- Synchronous Fixed-Frequency PWM Controller
Operating at 1.1 MHz With 0% to 100% Duty Cycle
- High-Accuracy Voltage and Current Regulation
- Status Outputs For LED or Host Processor Interface Indicates Charge-In-Progress, Charge pletion, Fault, and AC-Adapter Present Conditions
- 20-V Absolute Maximum Voltage Rating on IN and OUT Pins
- Accurate High-Side Battery Current Sensing
- Battery Temperature Monitoring
- Automatic Sleep Mode for Low Power Consumption
- Reverse Leakage Protection Prevents Battery Drainage
- Thermal Shutdown and Protection
- Built-In Battery Detection
- Available in 20-pin 3.5-mm × 4.5-mm VQFN Package
2 Applications
- Handheld Products
- Portable Media Players
- Industrial and Medical Equipment
- Portable Equipment
- Portable DVD Players
3 Description
The bq SWITCHER™ series are highly integrated Liion and...
