Overview
The BQ25100YFPR is a highly integrated, single-cell Li-Ion and Li-Polymer battery charger IC developed by Texas Instruments. Designed for portable applications, this component is tailored for use in devices such as wearables, IoT devices, and other compact electronics. Its market positioning targets developers and manufacturers seeking efficient, space-saving, and reliable battery charging solutions. The BQ25100YFPR stands out for its ultra-low power consumption, compact form factor, and advanced safety features, making it a competitive choice in the battery management market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.9 to 5.5 | V | Supports USB and adapter inputs |
| Charging Current | Up to 500 | mA | Programmable via external resistor |
| Battery Voltage Range | 2.5 to 4.65 | V | Supports Li-Ion and Li-Polymer |
| Quiescent Current | 15 | µA | Ultra-low power consumption |
| Operating Temperature | -40 to 85 | °C | Suitable for harsh environments |
| Package | DSBGA | - | Compact 12-pin package |
Key Features
- Ultra-Low Power Consumption: Ideal for battery-powered applications, extending device runtime.
- Programmable Charging Current: Flexibility to adjust charging rates based on application needs.
- Integrated Safety Features: Includes thermal regulation, overvoltage protection, and battery detection.
- Compact Design: Small footprint enables integration into space-constrained devices.
- Wide Input Voltage Range: Compatible with USB and adapter inputs for versatile power sources.
Applications
The BQ25100YFPR is widely used in portable and compact electronic devices. Its primary applications include:
- Wearable Devices: Smartwatches, fitness trackers, and health monitors benefit from its compact size and efficient charging.
- IoT Devices: Sensors, smart home devices, and wireless modules rely on its low power consumption and reliability.
- Portable Electronics: Handheld gadgets, Bluetooth headsets, and other consumer electronics leverage its safety features and adaptability.
Q & A
1. What is the input voltage range of the BQ25100YFPR?
The input voltage range is 3.9 to 5.5V, supporting USB and adapter inputs.
2. Can the charging current be adjusted?
Yes, the charging current is programmable via an external resistor, with a maximum of 500mA.
3. What types of batteries does it support?
It supports single-cell Li-Ion and Li-Polymer batteries with a voltage range of 2.5 to 4.65V.
4. What is the quiescent current of this IC?
The quiescent current is 15µA, ensuring ultra-low power consumption.
5. Is the BQ25100YFPR suitable for high-temperature environments?
Yes, it operates within a temperature range of -40 to 85°C, making it suitable for harsh conditions.
6. What safety features are integrated?
It includes thermal regulation, overvoltage protection, and battery detection for enhanced safety.
7. What is the package type of the BQ25100YFPR?
It comes in a compact 12-pin DSBGA package.
8. Can it be used in IoT devices?
Yes, its low power consumption and compact design make it ideal for IoT applications.
9. Is it compatible with USB power sources?
Yes, it supports USB inputs within its 3.9 to 5.5V input voltage range.
10. What is the maximum charging current?
The maximum charging current is 500mA.
