Overview
The BQ25606RGER is a highly-integrated standalone battery charge management and system power path management device from Texas Instruments. It is designed for single-cell Li-ion and Li-polymer batteries, offering high efficiency and advanced features for optimal battery charging and system power management. The device includes all necessary MOSFETs, current sensing, and loop compensation, making it a comprehensive solution for various battery-powered applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Current (VBUS) | 3.25 | A |
| Output Current (SW) | 3.0 | A |
| Battery Voltage (VBATOP) | 4.4 | V |
| Fast Charging Current (IBATOP) | 3.0 | A |
| Discharging Current (Continuous) | 6 | A |
| Operating Ambient Temperature (TA) | -40 to 85 | °C |
| Package Type | VQFN-24 (4x4 mm) | |
| Charge Voltage Regulation Accuracy | ±0.5% | |
| Charge Current Regulation Accuracy | ±6% at 1.2 A and 1.8 A |
Key Features
- High-efficiency, 1.5-MHz, synchronous switch-mode buck charger with 92% charge efficiency at 2-A from 5-V input.
- Narrow VDC (NVDC) power path management with instant-on capability even with no battery or deeply discharged battery.
- Ideal diode operation in battery supplement mode.
- High integration includes all MOSFETs, current sensing, and loop compensation.
- Low battery leakage current of 58 µA in system voltage standby.
- High accuracy in charge voltage and current regulation.
- Safety features include thermal regulation, thermal shutdown, input UVLO, and overvoltage protection.
- Battery temperature sensing for charge and boost mode.
Applications
- EPOS (Electronic Point of Sale) systems.
- Portable speakers.
- Mobile phone accessories.
- Medical equipment.
Q & A
- What is the maximum input current of the BQ25606RGER?
The maximum input current (VBUS) is 3.25 A. - What is the maximum output current of the BQ25606RGER?
The maximum output current (SW) is 3.0 A. - What is the operating temperature range of the BQ25606RGER?
The operating ambient temperature range is -40°C to 85°C. - What is the package type of the BQ25606RGER?
The package type is VQFN-24 with a body size of 4 mm x 4 mm. - What is the charge voltage regulation accuracy of the BQ25606RGER?
The charge voltage regulation accuracy is ±0.5%. - Does the BQ25606RGER support battery temperature sensing?
Yes, it supports battery temperature sensing for charge and boost mode. - What are some of the safety features of the BQ25606RGER?
The device includes thermal regulation, thermal shutdown, input UVLO, and overvoltage protection. - What is the typical battery leakage current in standby mode?
The typical battery leakage current is 58 µA. - Is the BQ25606RGER certified for safety standards?
Yes, it has IEC 62368-1 CB Certification. - What are some common applications of the BQ25606RGER?
Common applications include EPOS systems, portable speakers, mobile phone accessories, and medical equipment.
