The BQ24204DGNRG4 is an integrated circuit (IC) component designed for battery charging applications. This versatile IC offers various features to efficiently charge and manage single-cell lithium-ion or lithium-polymer batteries. Here is a brief overview of its key features:
1. Input Power Path Management:
- Enables simultaneous charging and system power delivery from a wide range of input sources like USB, AC adapter, or wireless power.
- Provides a seamless transition between different power sources, avoiding interruption during power source changes or unplugging the adapter.
2. Battery Charging:
- Utilizes a high-efficiency switch-mode charger to charge various types of batteries.
- Supports fast charging with programmable output current up to 3A.
- Implements battery preconditioning to recover deeply discharged batteries.
- Utilizes charge termination algorithms to maximize battery life.
3. Safety and Protection:
- Monitors input voltage, output voltage, and battery temperature to ensure safe charging operations.
- Provides overvoltage protection, short-circuit protection, and over-temperature protection to prevent damage to the IC and connected devices.
- Includes a thermal regulation feature to optimize charging efficiency and prevent IC overheating.
4. Advanced Charging Control:
- Offers a wide range of programmable charging parameters like charge voltage, current limit, termination current, and input current limit
