Overview
The BQ25619ERTWR, produced by Texas Instruments, is a highly integrated I2C controlled 1-cell, 1.5-A battery charger with a 20-mA termination current. This device is designed to charge lithium-ion and lithium-polymer batteries efficiently and safely. It features a single-cell buck battery charger with an additional 1-A boost capability, making it versatile for various battery-powered applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.5V to 13.5V |
| Charge Current | Up to 1.5A (programmable) |
| Termination Current | 20mA |
| Boost Current | Up to 1A |
| Operating Temperature Range | -40°C to 85°C (TA) |
| Package Type | 24-WQFN (4x4) |
| Communication Interface | I2C |
| Protection Features | Over Current, Over Temperature, Over Voltage |
Key Features
- I2C interface for programmable charge parameters and status monitoring
- High-efficiency single-cell buck battery charger with up to 1.5A charge current
- 1-A boost capability for powering external loads
- Integrated protection features including over current, over temperature, and over voltage protection
- Programmable charge current and voltage settings
- Compact 24-WQFN (4x4) package
Applications
- Portable electronics such as smartphones, tablets, and e-readers
- Wearable devices like smartwatches and fitness trackers
- Industrial and medical devices requiring reliable battery charging
- Internet of Things (IoT) devices with battery power requirements
Q & A
- What is the maximum charge current of the BQ25619ERTWR?
The maximum charge current is up to 1.5A, which is programmable via the I2C interface. - What is the termination current of the BQ25619ERTWR?
The termination current is 20mA. - Does the BQ25619ERTWR have boost capability?
Yes, it has a boost capability of up to 1A. - What is the operating temperature range of the BQ25619ERTWR?
The operating temperature range is -40°C to 85°C (TA). - What type of package does the BQ25619ERTWR come in?
The BQ25619ERTWR comes in a 24-WQFN (4x4) package. - What communication interface does the BQ25619ERTWR use?
The BQ25619ERTWR uses an I2C interface. - What protection features are integrated into the BQ25619ERTWR?
The device includes over current, over temperature, and over voltage protection features. - Is the charge current and voltage programmable on the BQ25619ERTWR?
Yes, both the charge current and voltage are programmable via the I2C interface. - What types of devices can the BQ25619ERTWR be used in?
The BQ25619ERTWR can be used in portable electronics, wearable devices, industrial and medical devices, and IoT devices. - Where can I find detailed specifications and datasheets for the BQ25619ERTWR?
Detailed specifications and datasheets can be found on the Texas Instruments website and other authorized distributors like Digi-Key and Mouser.
