Overview
The BQ24171RGYR is a highly efficient, single-cell Li-ion battery charger IC developed by Texas Instruments (TI). Designed for portable devices, it integrates a synchronous PWM controller, power MOSFETs, and input current regulation to optimize charging performance. This model is particularly suited for applications requiring compact, high-performance battery charging solutions, such as smartphones, tablets, and portable medical devices. Its market positioning targets OEMs and developers seeking reliable, space-saving, and energy-efficient charging solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.35 to 6.45 | V | Supports USB and adapter inputs |
| Charging Current | Up to 2 | A | Programmable |
| Battery Voltage Range | 3.5 to 4.44 | V | Supports single-cell Li-ion |
| Efficiency | Up to 92 | % | Typical |
| Operating Temperature | -40 to 85 | °C | Industrial-grade |
| Package | VQFN-24 | - | Compact footprint |
Key Features
- Integrated synchronous PWM controller for high efficiency.
- Supports USB and adapter inputs with input current regulation.
- Programmable charging current up to 2A for flexible application needs.
- Thermal regulation and protection to ensure safe operation.
- Compact VQFN-24 package for space-constrained designs.
Applications
The BQ24171RGYR is widely used in portable electronic devices, including smartphones, tablets, and portable medical equipment. Its high efficiency and compact design make it ideal for applications requiring reliable and fast battery charging. Additionally, it is suitable for use in industrial handheld devices and other battery-powered systems where space and energy efficiency are critical.
Q & A
What is the input voltage range of the BQ24171RGYR?
The input voltage range is 4.35V to 6.45V, supporting both USB and adapter inputs.
What is the maximum charging current?
The maximum charging current is programmable up to 2A.
Does it support thermal protection?
Yes, it includes thermal regulation and protection to ensure safe operation.
What type of battery does it support?
It supports single-cell Li-ion batteries with a voltage range of 3.5V to 4.44V.
What is the efficiency of this charger IC?
The efficiency can reach up to 92%, making it highly energy-efficient.
What is the operating temperature range?
It operates within a temperature range of -40°C to 85°C.
What package does it come in?
It is available in a compact VQFN-24 package.
Is it suitable for industrial applications?
Yes, its industrial-grade temperature range makes it suitable for industrial handheld devices.
Can it be used in medical devices?
Yes, its reliability and efficiency make it ideal for portable medical equipment.
Does it support USB input?
Yes, it supports both USB and adapter inputs with input current regulation.
