BQ24161BYFFR

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BQ24161BYFFR

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IC BATT CHG LI-ION 1CELL 49DSBGA

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Active
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Fault Protection Over Temperature, Over Voltage
Charge Current - Max 2.5A
Battery Pack Voltage 3.7V
Voltage - Supply (Max) 10V
Interface I2C
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 49-UFBGA, DSBGA
Supplier Device Package 49-DSBGA (2.8x2.8)
Base Product Number BQ24161

Tổng quan

Description

The BQ24161BYFFR is a highly integrated battery management IC designed for portable applications. It primarily functions as a single-cell Li-ion/Li-polymer battery charger and power management device. The chip supports various charging modes, including linear and switch-mode, optimizing efficiency during operation.
Key features include a wide input voltage range (up to 17V), programmable charging current settings, and integrated thermal regulation to prevent overheating. It also incorporates advanced battery safety features such as overvoltage protection, undervoltage lockout, and fault detection.
The BQ24161BYFFR supports USB and AC adapter detection, making it versatile for different power sources. Its compact package is ideal for space-constrained designs, such as smartphones, tablets, and other portable electronics.
Overall, this device simplifies battery charging and management, enhancing the performance and safety of battery-operated systems.

Equivalent

The BQ24161BYFFR is a battery management IC from Texas Instruments primarily used for lithium-ion battery charging. Equivalent products include the BQ24163, BQ24165, and BQ24157 from Texas Instruments, as well as the MCP73831 and MCP73832 from Microchip Technology. These alternatives may offer similar charging capabilities and features, but specifications should be compared to ensure compatibility with specific applications. Always verify datasheets for precise functionality and performance.

Features

The BQ24161BYFFR is a highly integrated Li-ion battery charger designed for portable applications. Key features include:
1. Input Voltage Range: Supports a wide input voltage range (4.5V to 14V) for versatile power supply options.
2. Charge Current Management: Adjustable charge current up to 3A, allowing for efficient charging based on application requirements.
3. Battery Voltage Regulation: Provides precise battery voltage regulation with a standard output voltage of 4.2V, suitable for Li-ion cells.
4. Thermal Regulation: Includes thermal regulation to prevent overheating during charging.
5. USB On-the-Go (OTG): Supports OTG functionality, enabling power supply to other devices.
6. Battery Detection: Features automatic battery detection and safe charging initiation.
7. Protection Features: Integrated protections for over-voltage, over-current, and short-circuit scenarios.
8. Compact Package: Housed in a 28-pin TQFN package, making it suitable for space-constrained applications.
This makes the BQ24161BYFFR ideal for smartphones, tablets, and other handheld devices.

Pinout

The BQ24161BYFFR is a highly integrated lithium-ion battery charger from Texas Instruments. It features a total of 28 pins. Key functions of these pins include:
1. Power Input: Pins for connecting the battery and power source.
2. Battery Management: Pins for battery temperature sensing and status indication.
3. Charging Control: Pins for enabling/disabling charging and configuring various charging parameters.
4. Communication: Some pins support I2C communication for advanced configuration and monitoring.
5. Status Outputs: Pins that provide feedback on the charging status (e.g., charging, charged, fault conditions).
This device is designed for applications such as portable devices and offers features like thermal regulation, automatic power selection, and various safety protections. For detailed pin functions, refer to the BQ24161 datasheet.

Manufacturer

The BQ24161BYFFR is manufactured by Texas Instruments (TI), a global semiconductor company based in the United States. Texas Instruments specializes in designing and manufacturing a wide range of analog and digital semiconductor solutions. The company is particularly well-known for its innovation in analog electronics, embedded processors, and digital signal processing.
Founded in 1930, TI has a long history of technological advancements and plays a significant role in various industries, including automotive, industrial, consumer electronics, and communications. Its products are widely used in applications such as power management, signal processing, and microcontroller solutions.
Texas Instruments is recognized for its commitment to research and development, and it continues to invest significantly in new technologies and products to meet the evolving demands of the semiconductor market. The BQ24161BYFFR, specifically, is a battery management IC that provides integrated solutions for battery charging and management in portable devices.

Application

The BQ24161BYFFR is a highly integrated Li-ion/Li-polymer battery charger IC designed for various applications. Key application areas include portable consumer electronics like smartphones, tablets, and wearable devices. It is also used in battery-powered tools, medical devices, and portable gaming consoles. The IC features advanced charging algorithms, battery management, and power path management, making it suitable for systems requiring efficient charging and power delivery. Additionally, it supports USB and AC adapter charging, enhancing its versatility in diverse energy applications.

Package

The BQ24161BYFFR is available in a 20-pin HTQFP (Thin Quad Flat Package) package type. This package provides a compact design suitable for space-constrained applications, typically used in battery management systems.

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