Overview
The BQ24075TRGTR is a highly integrated linear battery charger and system power path management device from Texas Instruments, designed for space-constrained portable applications. It supports charging currents up to 1.5A and is powered by either a USB port or an AC adapter. The device features input overvoltage protection, making it compatible with unregulated adapters across a wide input voltage range. Its USB input current limit accuracy and proprietary start-up sequence ensure compliance with USB-IF standards, making it an ideal solution for modern portable devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.35V to 6.4V | V | |
| Charging Current | Up to 1.5A | A | |
| Battery Voltage | 4.2V | V | |
| Package | 16-pin VQFN | 3mm x 3mm | |
| Input Current Limit | 100mA, 500mA | mA | Selectable |
| Overvoltage Protection | 28V | V | |
| Thermal Protection | Integrated | ||
| Operating Temperature | -40°C to 85°C | °C |
Key Features
- Fully compliant with USB charger standards
- Dynamic Power Management (VIN-DPM) for protection against poor USB sources
- Integrated Dynamic Power Path Management (DPPM) for simultaneous system and battery charging
- Current monitoring output (ISET) for up to 1.5A charging current
- Programmable input current limit for wall adapters
- Battery disconnect function via SYSOFF input
- Reverse current, short-circuit, and thermal protection
- Proprietary start-up sequence to limit inrush current
- Status indicators for charging and power good
Applications
The BQ24075TRGTR is widely used in portable devices such as smartphones, tablets, and other USB-powered gadgets. Its compact size and robust feature set make it suitable for applications requiring efficient battery charging and power management, particularly in space-constrained designs. Additionally, its compliance with USB-IF standards ensures compatibility with a wide range of USB power sources.
Q & A
What is the maximum charging current supported by the BQ24075TRGTR?
The BQ24075TRGTR supports a maximum charging current of 1.5A.
Does the BQ24075TRGTR have overvoltage protection?
Yes, it features 28V input overvoltage protection.
Is the BQ24075TRGTR compliant with USB-IF standards?
Yes, it is fully compliant with USB charger standards.
What is the input voltage range for the BQ24075TRGTR?
The input voltage range is 4.35V to 6.4V.
Can the BQ24075TRGTR be used with unregulated adapters?
Yes, its input overvoltage protection allows compatibility with unregulated adapters.
What package does the BQ24075TRGTR come in?
It comes in a 16-pin VQFN package measuring 3mm x 3mm.
Does the BQ24075TRGTR support thermal protection?
Yes, it includes integrated thermal protection.
What is the purpose of the SYSOFF input?
The SYSOFF input allows for battery disconnect functionality.
Is the BQ24075TRGTR suitable for portable devices?
Yes, its compact size and features make it ideal for portable devices.
What are the status indicators on the BQ24075TRGTR?
It provides status indicators for charging, charge complete, and power good conditions.
