Overview
The BQ24232HRGTR is a USB-friendly lithium-ion battery charger with power path management, designed and manufactured by Texas Instruments. This device is specifically tailored for 4.35V batteries and is housed in a compact VQFN-16 package. It is part of the BQ24232H series, targeting portable applications where space and efficiency are critical. The BQ24232HRGTR is ideal for consumer electronics, IoT devices, and other battery-powered systems requiring reliable and efficient charging solutions. Its unique selling points include compliance with USB charger standards, dynamic power management, and integrated power path management, making it a competitive choice in the battery management IC market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Battery Management | - | - |
| Battery Type | Lithium-ion, Lithium Polymer | - | - |
| Output Voltage | 4.35 | V | - |
| Output Current | 500 | mA | - |
| Operating Voltage | 4.35 to 28 | V | - |
| Package | VQFN-16 | - | - |
| Mounting Style | SMD/SMT | - | - |
| Operating Temperature | -40 to +85 | °C | - |
| Humidity Sensitivity | Yes | - | - |
| Factory Pack Quantity | 3000 | - | - |
Key Features
- Compliant with USB charger standards, supporting 100mA and 500mA input current limits.
- Dynamic power management (VIN-DPM) prevents system crashes due to poor USB power sources.
- Integrated dynamic power path management (DPPM) allows simultaneous system powering and battery charging.
- Overvoltage protection with a 28V rated input voltage.
- Precision 4.35V battery regulation ensures safe and efficient charging.
Applications
The BQ24232HRGTR is widely used in portable electronics, such as smartphones, tablets, and wearable devices, where efficient battery charging and power management are essential. It is also suitable for IoT devices, medical devices, and other applications requiring compact and reliable charging solutions. Its ability to operate with unregulated adapters and USB power sources makes it versatile for various consumer and industrial applications.
Q & A
1. What is the maximum input current supported by the BQ24232HRGTR?
The BQ24232HRGTR supports a maximum input current of 500mA, with options for 100mA to ensure compliance with USB-IF standards.
2. Can the BQ24232HRGTR charge a completely discharged battery?
Yes, the BQ24232HRGTR supports immediate system startup even with a fully discharged battery.
3. What is the operating temperature range of the BQ24232HRGTR?
The device operates within a temperature range of -40°C to +85°C.
4. Does the BQ24232HRGTR support overvoltage protection?
Yes, it includes overvoltage protection with a rated input voltage of up to 28V.
5. What is the purpose of dynamic power path management (DPPM)?
DPPM allows the device to power the system while independently charging the battery, optimizing power usage and reducing charge/discharge cycles.
6. Is the BQ24232HRGTR compatible with USB power sources?
Yes, it is fully compliant with USB charger standards and supports USB power sources.
7. What is the factory pack quantity for the BQ24232HRGTR?
The factory pack quantity is 3000 units per reel.
8. Can the BQ24232HRGTR be used in IoT devices?
Yes, its compact size and efficient power management make it suitable for IoT applications.
9. What is the output voltage of the BQ24232HRGTR?
The output voltage is 4.35V, specifically designed for 4.35V lithium-ion batteries.
10. Does the BQ24232HRGTR support humidity-sensitive applications?
Yes, the device is humidity-sensitive and should be handled accordingly during assembly and storage.
