Overview
The BQ25890HRTWR, manufactured by Texas Instruments, is a highly integrated 5A switch-mode battery charge management and system power path management device designed for single-cell Li-ion and Li-polymer batteries. This component is particularly suited for smartphones, tablets, and other portable electronic devices, offering optimized charging speed and extended battery life. Its market positioning targets developers and manufacturers of compact, high-efficiency portable electronics, emphasizing its competitive edge in fast charging and energy efficiency.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.9 to 14 | V | |
| Output Voltage | 4.6 | V | |
| Output Current | 5 | A | |
| Charging Efficiency | 93% at 2A, 91% at 3A | % | |
| Operating Temperature | -40 to 125 | °C | |
| Package | WQFN-24 |
Key Features
- High efficiency 5A 1.5MHz switch-mode buck charging.
- Optimized for high voltage inputs (9V/12V).
- Low power PFM mode for light load operation.
- USB On-the-Go (OTG) with adjustable output voltage from 4.5V to 5.5V.
- Supports up to 3.9V to 14V input voltage range.
Applications
The BQ25890HRTWR is extensively used in the development of portable electronic devices, including smartphones and tablets. Its ability to manage power paths efficiently makes it ideal for applications requiring quick charging capabilities and long battery life. Additionally, its compact form factor and high efficiency make it suitable for integration into space-constrained devices.
Q & A
What is the input voltage range of BQ25890HRTWR?
The input voltage range is from 3.9V to 14V.
Can BQ25890HRTWR charge Li-polymer batteries?
Yes, it is designed for both Li-ion and Li-polymer batteries.
What is the maximum output current of BQ25890HRTWR?
The maximum output current is 5A.
Does BQ25890HRTWR support USB OTG?
Yes, it supports USB On-the-Go with an adjustable output voltage.
What is the charging efficiency of BQ25890HRTWR?
The charging efficiency is 93% at 2A and 91% at 3A.
What package does BQ25890HRTWR come in?
It comes in a WQFN-24 package.
Is BQ25890HRTWR suitable for high voltage inputs?
Yes, it is optimized for high voltage inputs like 9V and 12V.
What is the operating temperature range of BQ25890HRTWR?
It operates from -40°C to 125°C.
Does BQ25890HRTWR have a low power mode?
Yes, it features a low power PFM mode for light load operation.
Can BQ25890HRTWR be used in portable devices?
Yes, it is ideal for portable electronic devices such as smartphones and tablets.
