Overview
The BQ2057WTSTR, manufactured by Texas Instruments, is a highly integrated battery management chip designed for lithium-ion battery charging and protection control. This model is particularly suited for portable electronic devices, wireless communication equipment, medical devices, and other battery-powered applications. Its advanced battery management algorithms ensure efficient and precise charging and discharging control. The BQ2057WTSTR supports multiple charging modes, including constant current, constant voltage, and constant current/constant voltage charging, and offers comprehensive protection features such as overcharge, over-discharge, overcurrent, and temperature protection. With its compact WTSTR (20-pin) package, it is easy to integrate into various electronic devices. Additionally, it supports I2C interface and system control pins for seamless communication with microprocessors or external controllers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.5 to 25 | V | |
| Output Current Range | 50mA to 2A | ||
| Charging Efficiency | Above 90% | % | |
| Charging Modes | Constant Current, Constant Voltage, Constant Current/Constant Voltage | ||
| Protection Features | Overcharge, Over-discharge, Overcurrent, Temperature Protection | ||
| Package | WTSTR (20-pin) | ||
| Interface | I2C, System Control Pins |
Key Features
- Advanced battery management algorithms for efficient and precise control.
- Supports multiple charging modes including constant current, constant voltage, and constant current/constant voltage.
- Comprehensive protection features including overcharge, over-discharge, overcurrent, and temperature protection.
- Compact WTSTR (20-pin) package for easy integration.
- I2C interface and system control pins for seamless communication with external controllers.
Applications
The BQ2057WTSTR is widely used in portable electronic devices, wireless communication equipment, and medical devices. Its robust battery management capabilities make it ideal for applications requiring efficient and safe battery charging and protection. In portable electronics, it ensures longer battery life and safer operation. In wireless communication devices, it provides reliable power management, while in medical devices, it ensures consistent and safe battery performance, critical for patient care.
Q & A
1. What is the input voltage range of BQ2057WTSTR?
The input voltage range is from 2.5V to 25V.
2. What charging modes does BQ2057WTSTR support?
It supports constant current, constant voltage, and constant current/constant voltage charging modes.
3. What protection features are included in BQ2057WTSTR?
It includes overcharge, over-discharge, overcurrent, and temperature protection.
4. What is the package type of BQ2057WTSTR?
It comes in a WTSTR (20-pin) package.
5. Does BQ2057WTSTR support communication with external controllers?
Yes, it supports I2C interface and system control pins for communication.
6. What is the output current range of BQ2057WTSTR?
The output current ranges from 50mA to 2A.
7. What is the charging efficiency of BQ2057WTSTR?
The charging efficiency is above 90%.
8. What types of batteries is BQ2057WTSTR designed for?
It is designed for lithium-ion batteries.
9. What are the typical applications of BQ2057WTSTR?
Typical applications include portable electronic devices, wireless communication equipment, and medical devices.
10. What is the significance of the I2C interface in BQ2057WTSTR?
The I2C interface allows for easy communication and control with microprocessors or other external controllers, enhancing the chip's versatility and integration capabilities.
