Overview
The BQ25890RTWR is a highly integrated 5A single-cell switch-mode battery charge management and system power path management device designed by Texas Instruments. It is part of the MaxCharge™ series, specifically tailored for lithium-ion and lithium-polymer batteries. This component is ideal for portable electronics, offering efficient power management and fast charging capabilities. Its compact WQFN-24_4X4MM-EP package makes it suitable for space-constrained applications. The BQ25890RTWR targets designers and engineers working on smartphones, tablets, and other portable devices requiring reliable and efficient battery charging solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Pin Count | 24 | Pin | |
| Maximum Charging Current | 5 | A | |
| Supported Battery Cells | 1 | ||
| Battery Type | Lithium-Ion/Polymer | ||
| Mounting Type | SMT | ||
| Supply Voltage | 3.9~14 | V | |
| Height | 0.80 | mm | |
| Dimensions | 4.00 x 4.00 | mm | |
| Operating Temperature | -40~+85 | °C | |
| Lead-Free | Yes | ||
| Package | WQFN-24_4X4MM-EP |
Key Features
- High-efficiency switch-mode charging for reduced heat and faster charging times.
- Supports input voltages from 3.9V to 14V, accommodating a wide range of power sources.
- Integrated power path management ensures optimal system performance during charging and discharging.
- I2C interface for flexible charging and system configuration.
- Built-in safety features including over-temperature, over-current, and short-circuit protection.
Applications
The BQ25890RTWR is widely used in portable electronic devices such as smartphones, tablets, and Bluetooth headphones. Its efficient power management and fast charging capabilities make it ideal for applications requiring reliable battery performance. Additionally, it is suitable for use in wearable devices and other compact electronics where space and energy efficiency are critical.
Q & A
1. What is the maximum charging current supported by the BQ25890RTWR?
The BQ25890RTWR supports a maximum charging current of 5A.
2. What battery types are compatible with this component?
It is compatible with lithium-ion and lithium-polymer batteries.
3. What is the operating temperature range of the BQ25890RTWR?
The operating temperature ranges from -40°C to +85°C.
4. Does the BQ25890RTWR support I2C communication?
Yes, it features an I2C interface for flexible charging and system configuration.
5. What is the supply voltage range for this component?
The supply voltage range is 3.9V to 14V.
6. Is the BQ25890RTWR lead-free?
Yes, it is a lead-free component.
7. What package does the BQ25890RTWR come in?
It comes in a WQFN-24_4X4MM-EP package.
8. What are the key safety features of this component?
It includes over-temperature, over-current, and short-circuit protection.
9. Can the BQ25890RTWR be used in wearable devices?
Yes, its compact size and efficient power management make it suitable for wearable devices.
10. What is the height of the BQ25890RTWR?
The height of the component is 0.80mm.
