Overview
The BQ24610RGER from Texas Instruments is a highly integrated standalone synchronous switch-mode battery charge controller designed for Li-ion, Li-polymer, and Lead-acid batteries. This device offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation. It supports a wide input voltage range of 5V to 28V and can charge 1 to 6 battery cells. The BQ24610RGER is particularly useful in applications requiring efficient and reliable battery charging with advanced safety features and power management capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | VQFN (RGE) with 24 pins |
| Operating Temperature Range | -40°C to 85°C |
| Input Voltage Range | 5V to 28V |
| Supported Battery Cells | 1 to 6 cells |
| Maximum Charge Current | Up to 10A |
| Charge Voltage Accuracy | ±0.5% |
| Charge Current Accuracy | ±3% |
| Adapter Current Accuracy | ±3% |
| Switching Frequency | 600 kHz |
| Off-state Battery Discharge Current | < 15 µA |
| Off-state Input Quiescent Current | < 1.5 mA |
Key Features
- 600-kHz NMOS-NMOS Synchronous buck converter
- Stand-alone charger support for Li-ion or Li-polymer batteries
- Automatic system power selection from adapter or battery
- Non Power Path option for low total BOM cost
- Internal loop compensation and soft start
- Dynamic power management
- Safety protections including input overvoltage, battery thermistor sense, battery detection, reverse protection input FET, programmable safety timer, charge overcurrent protection, battery short protection, battery overvoltage protection, and thermal shutdown
- Status outputs for adapter present, charger operation status, and charge enable pin
- 6-V Gate drive for synchronous buck converter
- Energy Star low quiescent current (Iq)
Applications
- Netbooks, mobile internet devices, and ultra-mobile PCs
- Personal digital assistants (PDAs)
- Handheld terminals
- Industrial and medical equipment
- Portable equipment
Q & A
- What is the input voltage range of the BQ24610RGER?
The input voltage range is 5V to 28V.
- How many battery cells can the BQ24610RGER support?
The BQ24610RGER can support 1 to 6 battery cells.
- What is the maximum charge current of the BQ24610RGER?
The maximum charge current is up to 10A.
- What is the charge voltage accuracy of the BQ24610RGER?
The charge voltage accuracy is ±0.5%.
- Does the BQ24610RGER have safety protections?
- What is the switching frequency of the BQ24610RGER?
The switching frequency is 600 kHz.
- What are the typical applications of the BQ24610RGER?
Typical applications include netbooks, mobile internet devices, ultra-mobile PCs, PDAs, handheld terminals, industrial and medical equipment, and portable equipment.
- Does the BQ24610RGER support Energy Star low quiescent current?
- What is the package type of the BQ24610RGER?
The package type is VQFN (RGE) with 24 pins.
- What is the operating temperature range of the BQ24610RGER?
The operating temperature range is -40°C to 85°C.
