Overview
The BQ25150YFPR is a highly integrated battery charger and power management IC designed by Texas Instruments. It is optimized for space-limited and portable applications, particularly in wearable devices, Internet of Things (IoT) devices, and other low-power battery-powered electronics. The device integrates multiple functions including a battery charger, step-down DC/DC converter, and LDO regulator, making it an efficient solution for power management in compact designs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package / Case | 20-XFBGA, DSBGA |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Charge Current - Max | 500mA |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 3.6V |
| Interface | I2C |
| Operating Temperature | -40°C to 85°C |
| Mounting Type | Surface Mount |
| Fault Protection | Over Current, Over Temperature, Over Voltage, Reverse Current, Short Circuit |
Key Features
- Integrated battery charger and power source selector
- High-efficiency switch-mode charger
- Supports input from USB or AC adapter
- Integrated voltage and current regulation
- Advanced thermal monitoring with programmable temperature thresholds and JEITA compatible battery pack thermistor monitoring input
- Compact 20-XFBGA, DSBGA package for space-limited applications
- Max charge current of 500mA for quick charging
- Multifunctional fault protection including over current, over temperature, over voltage, reverse current, and short circuit protection
- I2C interface for charging parameter control
- Optimized for single-cell battery configurations
- Support for low supply voltage down to 3.6V
Applications
The BQ25150YFPR is commonly used in various low-power battery-powered applications, including:
- Wearable devices
- Internet of Things (IoT) devices
- Portable electronics such as smartphones and tablets
- Other compact, battery-powered devices requiring efficient power management
Q & A
- What is the BQ25150YFPR used for?
The BQ25150YFPR is a highly integrated battery charger and power management IC designed for space-limited and portable applications.
- Which battery chemistry does the BQ25150YFPR support?
The BQ25150YFPR supports Lithium Ion/Polymer batteries.
- What is the maximum charge current of the BQ25150YFPR?
The maximum charge current is 500mA.
- What interface does the BQ25150YFPR use for charging parameter control?
The BQ25150YFPR uses an I2C interface for charging parameter control.
- What are the operating temperature ranges for the BQ25150YFPR?
The operating temperature range is -40°C to 85°C.
- Does the BQ25150YFPR have built-in safety features?
Yes, it includes multifunctional fault protection such as over current, over temperature, over voltage, reverse current, and short circuit protection.
- What types of devices typically use the BQ25150YFPR?
It is commonly used in wearable devices, IoT devices, and other portable electronics.
- How does the BQ25150YFPR manage thermal issues during charging?
The device features advanced thermal monitoring with programmable temperature thresholds and JEITA compatible battery pack thermistor monitoring input.
- What is the package type of the BQ25150YFPR?
The package types are 20-XFBGA and DSBGA.
- Can the BQ25150YFPR operate with low supply voltages?
Yes, it can operate with supply voltages as low as 3.6V.
