Overview
The Texas Instruments BQ24210DQCR is a highly integrated single-cell Li-ion battery charger designed for space-limited portable applications. This device supports bi-directional power flow and operates in several modes, including sleep, charge, load, and suspend modes. It features a dynamic power management system, making it suitable for charging from alternative power sources such as solar panels or inductive charging pads. The charger includes multiple protection mechanisms, including overvoltage protection, thermal regulation, and battery short-circuit protection, ensuring safe and efficient charging.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.5 to 18 | V |
| Input Current (VBUS) | 0.8 | A |
| Output Current (BAT) | 0.8 | A |
| Junction Temperature Range | -40 to 125 | °C |
| Storage Temperature Range | -65 to 150 | °C |
| Package Type | WSON (DQC) 10-pin | |
| Operating Temperature Range | -40 to 85 | °C |
| Charge Current Accuracy | 10% | |
| Battery Voltage Regulation Accuracy | 1% |
Key Features
- Input Voltage Dynamic Power Management Feature (VBUS_DPM)
- Selectable Battery Tracking Mode to maximize the charge rate from solar panels using DPM feature
- Load Mode to support loads connected at VBUS pin with current limiting function
- 20-V input rating with overvoltage protection (OVP)
- Current charge up to 800 mA with 10% charge current accuracy
- Thermal regulation protection for output current control
- Low battery leakage current
- BAT short-circuit protection
- NTC input monitoring
- Built-in safety timer with reset control
- Status indication for charging/power present
- Available in a small 2-mm × 3-mm 10-pin WSON package
Applications
- Smart Phones
- PDAs
- MP3 Players
- Low-Power Handheld Devices
- Auxiliary Solar Chargers
Q & A
- What is the BQ24210DQCR used for?
The BQ24210DQCR is a single-cell Li-ion battery charger designed for portable applications, especially those with space constraints. - What are the key features of the BQ24210DQCR?
Key features include dynamic power management, selectable battery tracking mode, load mode, overvoltage protection, and thermal regulation. - What is the input voltage range of the BQ24210DQCR?
The input voltage range is from 3.5V to 18V. - What is the maximum charge current of the BQ24210DQCR?
The maximum charge current is up to 800 mA. - Does the BQ24210DQCR support alternative power sources?
Yes, it supports charging from alternative power sources such as solar panels and inductive charging pads. - What protection mechanisms does the BQ24210DQCR include?
The device includes overvoltage protection, thermal regulation, and battery short-circuit protection. - In what package is the BQ24210DQCR available?
It is available in a 2-mm × 3-mm 10-pin WSON package. - What are the typical applications of the BQ24210DQCR?
Typical applications include smart phones, PDAs, MP3 players, low-power handheld devices, and auxiliary solar chargers. - How does the BQ24210DQCR manage input voltage dynamically?
The device uses the VBUS_DPM feature to detect and adjust to input voltage drops, ensuring stable charging. - Does the BQ24210DQCR have a built-in safety timer?
Yes, it includes a built-in safety timer with reset control. - How does the BQ24210DQCR indicate charging status?
The device provides status indication for charging and power present.
