Overview
The BQ25895EVM-664 is an evaluation module (EVM) designed by Texas Instruments to evaluate the highly-integrated switch-mode battery charge management and system power path management capabilities of the bq25895 device. This module is specifically tailored for 1-cell Li-Ion and Li-polymer battery applications, particularly in smartphones and tablets.
The EVM provides a comprehensive platform for testing and evaluating the performance of the bq25895 device, including its I2C communication, LED status indications, and various jumper configurations for different circuit settings.
Key Specifications
| Parameter | Description | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Voltage Range | Input voltage from AC adapter or USB | 3.9 | 14 | V | |
| Battery Voltage | Voltage applied at VBAT terminal | 0 | 4.5 | V | |
| Fast Charging Current | Maximum fast charging current through internal MOSFET | 5 | A | ||
| Discharging Current | Maximum discharging current through internal MOSFET | 9 | A | ||
| Supply Current | Maximum input current from AC adapter input | 0 | 3.25 | A |
Key Features
- Input Voltage Range: 3.9V to 14V, accommodating various power sources.
- I2C Communication: Supports I2C interface for configuration and monitoring.
- LED Indication: Provides LED status signals for easy monitoring of the charging process.
- Test Points and Jumpers: Includes test points for key signals and jumpers for different circuit configurations, facilitating thorough testing and evaluation.
- USB-Based Interface: Requires a USB-Based PC Interface Board (EV2400) for I2C interface, which can be ordered separately if needed.
Applications
The BQ25895EVM-664 is primarily designed for evaluating the bq25895 device in a wide range of applications, including:
- Smartphones
- Tablets
- Other portable electronic devices using 1-cell Li-Ion or Li-polymer batteries.
Q & A
- What is the BQ25895EVM-664 used for?
The BQ25895EVM-664 is used to evaluate the highly-integrated switch-mode battery charge management and system power path management capabilities of the bq25895 device.
- What is the input voltage range of the BQ25895EVM-664?
The input voltage range is from 3.9V to 14V.
- Does the BQ25895EVM-664 support I2C communication?
- What kind of LED indications does the BQ25895EVM-664 provide?
- What additional hardware is required to use the BQ25895EVM-664?
- What are the typical applications of the BQ25895EVM-664?
- What is the maximum fast charging current supported by the BQ25895EVM-664?
- How do you set up the equipment for testing the BQ25895EVM-664?
- What software is required to evaluate the BQ25895EVM-664?
- What are the jumper connections available on the BQ25895EVM-664?
