Overview
The BQ24296MRGET is a highly integrated switch-mode battery charge management and system power path management device designed by Texas Instruments. This component is specifically tailored for single-cell Li-ion and Li-polymer batteries, commonly used in smartphones, tablets, and other portable devices. Its advanced features include optimized power path efficiency, I2C interface for flexible charging and system configuration, and support for USB 2.0 and USB 3.0 power specifications. The device is housed in a compact 24-pin VQFN package, making it ideal for space-constrained applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.9 - 6.2 | V | Supports USB host and charging ports |
| Maximum Charging Current | 3 | A | Programmable |
| Charging Saturation Voltage | 4.2 | V | For Li-ion/Li-polymer batteries |
| Operating Temperature | -40 to +85 | °C | Wide range for diverse environments |
| Package | VQFN-24 | - | 4x4 mm², ultra-thin |
| Power Path Management | Yes | - | Ensures system operation even with depleted battery |
| I2C Interface | Yes | - | For charging and system configuration |
| USB OTG Support | Yes | - | Enables device to act as a power source |
| Overvoltage Protection | 6.4 | V | Protects against USB input overvoltage |
| Efficiency | 90 | % | High efficiency in switch-mode operation |
Key Features
- Integrated switch-mode battery charging and power path management.
- I2C interface for flexible charging and system configuration.
- Supports USB 2.0 and USB 3.0 power specifications.
- Optimized power path efficiency reduces charging time and extends battery life.
- USB On-the-Go (OTG) support for versatile applications.
- Comprehensive safety features including thermal regulation and overvoltage protection.
Applications
The BQ24296MRGET is widely used in portable electronic devices such as smartphones, tablets, and other battery-powered applications. Its ability to manage power paths efficiently ensures uninterrupted system operation even when the battery is depleted. Additionally, its USB OTG functionality allows devices to act as power sources, making it suitable for applications requiring portable charging solutions. The device is also ideal for industrial and consumer electronics where reliable battery management is critical.
Q & A
1. What is the input voltage range of the BQ24296MRGET?
The input voltage range is 3.9V to 6.2V, supporting both USB host and charging ports.
2. Does the BQ24296MRGET support USB OTG?
Yes, it supports USB On-the-Go (OTG) functionality.
3. What is the maximum charging current?
The maximum charging current is 3A, which is programmable.
4. What type of batteries is the BQ24296MRGET compatible with?
It is compatible with single-cell Li-ion and Li-polymer batteries.
5. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
6. Does the BQ24296MRGET have overvoltage protection?
Yes, it includes 6.4V overvoltage protection for USB inputs.
7. What is the efficiency of the BQ24296MRGET?
The efficiency is up to 90% in switch-mode operation.
8. What is the package type of the BQ24296MRGET?
It comes in a 24-pin VQFN package with dimensions of 4x4 mm².
9. Can the BQ24296MRGET operate without a battery?
Yes, its power path management ensures system operation even without a battery.
10. Does the BQ24296MRGET support I2C communication?
Yes, it features an I2C interface for flexible charging and system configuration.
