Description
The Texas Instruments BQ25100YFPR is a charger IC designed for lithium-ion/polymer batteries in applications requiring high accuracy and low power consumption. This chip provides a range of features, including accurate charge voltage and current, adjustable termination and precharge thresholds, and robust protection mechanisms to ensure safe battery charging.
With its small DSBGA package (1.60 mm × 0.90 mm), the BQ25100YFPR is ideal for space-constrained designs. The IC supports low-charge currents down to 10 mA and features ultra-low battery output leakage current of just 75 nA.
The BQ25100YFPR also includes thermal regulation, overvoltage protection, and short-circuit protection, making it suitable for a wide range of applications, from portable devices to industrial equipment.
Features
The BQ25100YFPR features include:
- Charging:
- + 1% charge voltage accuracy
- + 10% charge current accuracy
- + Supports low charge currents (10mA to 250mA)
- + Ultra-low battery output leakage current (<75nA)
- + Adjustable termination and precharge threshold
- Protection:
- + 30V input rating with 6.5V overvoltage protection
- + Input voltage dynamic power management
- + Thermal regulation up to 125°C and thermal shutdown protection up to 150°C
- + OUT short-circuit protection and ISET short detection
- System:
- + Automatic termination and timer disable mode (TTDM) for absent battery pack
- + Available in a small DSBGA package
Package
The package type of BQ25100YFPR is DSBGA-6 (6-lead Dual Side Bracketed Grid Array).
Pinout
The BQ25100YFPR is a charger IC from Texas Instruments, designed for lithium-ion/polymer batteries. It has a package size of DSBGA-6 with 24 pins.
Here's a concise overview of the pin functions:
1. VCC: Power supply input
2. GND: Ground reference
3. ISET: Current set point
4. OUT: Battery output
5. FB: Feedback voltage
6. INT: Interrupt output
7-12: Reserved for future use
13-18: Thermal regulation and thermal shutdown protection
19-24: Various control and status signals
Please note that this is a high-level overview, and you may want to consult the datasheet or other documentation for more detailed information on pin functions and usage.
Manufacturer
The manufacturer of the BQ25100YFPR is Texas Instruments (TI). TI is an American multinational semiconductor company that develops, manufactures, tests and sells semiconductors and other electronic components. The company is also a leader in the development of analog and embedded processing technologies, which are essential for a wide range of applications, including power management, signal processing, and communication systems.
Applications
The Texas Instruments BQ25100YFPR charger IC is suitable for various applications, including:
- Portable electronics (smartphones, tablets, laptops)
- Wearables (watches, fitness trackers)
- IoT devices
- Medical devices
- Automotive systems (e.g., infotainment systems)
It supports charging of lithium-ion and polymer batteries with high accuracy and protection features.
Equivalent
According to Texas Instruments documentation, the BQ25100YFPR is part of a family of charger ICs that includes:
- QFN-6 package: bq25100A
- DSBGA-6 package: bq25100/01, bq25100H/01H
These products are all similar in functionality and specifications to the BQ25100YFPR.
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Warranty
I ordered several positions, all the elements came, the number corresponds. Perfectly packed in working condition. Seller thanks!