Overview
The BQ25071DQCR is a highly efficient, single-cell Li-Ion and Li-Polymer battery charger from Texas Instruments. Designed for portable applications, this compact IC integrates a power management solution, making it ideal for space-constrained designs. Its market positioning targets consumer electronics, wearables, and IoT devices, offering a reliable and efficient charging solution for single-cell batteries. The BQ25071DQCR stands out for its ultra-low power consumption, thermal regulation, and compact footprint, making it a competitive choice for modern portable devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.35 to 6.45 | V | |
| Charging Voltage | 4.2 | V | Programmable |
| Max Charge Current | 500 | mA | |
| Battery Chemistry | Li-Ion/Li-Polymer | ||
| Operating Temperature | -40 to 85 | °C | |
| Package | WSON-8 | Compact footprint | |
| Thermal Regulation | Yes | Protects against overheating | |
| Standby Current | 10 | µA | Ultra-low power |
Key Features
- Integrated power management for single-cell Li-Ion/Li-Polymer batteries.
- Ultra-low standby current of 10 µA, ideal for battery-powered applications.
- Programmable charging voltage and current for flexibility.
- Thermal regulation ensures safe operation under varying conditions.
- Compact WSON-8 package for space-constrained designs.
Applications
The BQ25071DQCR is widely used in portable electronics, wearables, and IoT devices. Its compact size and efficient charging capabilities make it suitable for applications such as smartwatches, fitness trackers, and wireless earbuds. Additionally, it is ideal for medical devices and other battery-powered gadgets where space and power efficiency are critical.
Q & A
1. What is the input voltage range for the BQ25071DQCR?
The input voltage range is 4.35V to 6.45V.
2. Can the BQ25071DQCR charge Li-Polymer batteries?
Yes, it supports both Li-Ion and Li-Polymer batteries.
3. What is the maximum charging current?
The maximum charging current is 500 mA.
4. Does the BQ25071DQCR support thermal regulation?
Yes, it includes thermal regulation to ensure safe operation.
5. What is the standby current of the BQ25071DQCR?
The standby current is 10 µA, making it highly efficient.
6. What package does the BQ25071DQCR come in?
It comes in a compact WSON-8 package.
7. Is the charging voltage programmable?
Yes, the charging voltage is programmable up to 4.2V.
8. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
9. Is the BQ25071DQCR suitable for wearables?
Yes, its compact size and low power consumption make it ideal for wearables.
10. Can the BQ25071DQCR be used in medical devices?
Yes, it is suitable for medical devices and other battery-powered applications.
