Overview
The BQ24075-Q1 is an integrated Li-ion linear battery charger and system power path management device designed by Texas Instruments. This device is specifically targeted at space-limited portable applications and is qualified for automotive use, adhering to AEC-Q100 standards. It operates from either a USB port or an AC adapter and supports charge currents up to 1.5A. The BQ24075-Q1 features dynamic power path management (DPPM) that allows it to power the system while simultaneously and independently charging the battery, ensuring continuous system operation even with a defective or absent battery pack.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | VQFN (RGT) with 16 pins |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Rating | Up to 28V with overvoltage protection |
| Maximum Charge Current | Up to 1.5A |
| Input Current Limit | Selectable 100mA and 500mA, programmable up to 1.5A |
| USB Compliance | Fully compliant with USB-IF standards |
| Power Path Management | DYNAMIC Power Path Management (DPPM) |
| ESD Classification | HBM Level H2, CDM Level C3B |
| Package Size | 3 mm × 3 mm |
Key Features
- Qualified for automotive applications and AEC-Q100 certified
- Fully compliant USB charger with selectable 100mA and 500mA maximum input current
- Dynamic Power Path Management (DPPM) for simultaneous system power and battery charging
- Input based dynamic power management (VIN-DPM) for protection against poor USB sources
- 28V input rating with overvoltage protection
- Programmable input current limit up to 1.5A for wall adapters
- Battery disconnect function with SYSOFF input
- Programmable pre-charge and fast-charge safety timers
- Reverse current, short-circuit, and thermal protection
- NTC thermistor input
- Proprietary start-up sequence to limit inrush current
- Status indication – charging/done, power good
Applications
The BQ24075-Q1 is designed for use in space-limited portable applications, particularly in the automotive sector. It is suitable for devices that require efficient battery charging and power path management, such as:
- Automotive infotainment systems
- Portable electronics with Li-ion batteries
- Industrial handheld devices
- Medical devices requiring reliable power management
Q & A
- What is the maximum charge current supported by the BQ24075-Q1?
The BQ24075-Q1 supports charge currents up to 1.5A.
- Is the BQ24075-Q1 qualified for automotive applications?
- What is the operating temperature range of the BQ24075-Q1?
- Does the BQ24075-Q1 support USB charging?
- What is Dynamic Power Path Management (DPPM) in the BQ24075-Q1?
- How does the BQ24075-Q1 protect against poor USB sources?
IN-DPM) to protect against poor USB sources. - What safety features does the BQ24075-Q1 include?
- Can the input current limit be programmed on the BQ24075-Q1?
- Does the BQ24075-Q1 have status indication features?
- What is the package size of the BQ24075-Q1?
