BQ24161BRGER

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BQ24161BRGER

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IC BATT CHG LI-ION 1CELL 24VQFN

  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #BQ24161BRGER

  • パッケージ VQFN-24

  • 在庫状況6772

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Package Tape & Reel (TR)
ProductStatus Active
BatteryChemistry Lithium Ion/Polymer
NumberofCells 1
Current-Charging Constant - Programmable
FaultProtection Over Temperature, Over Voltage
ChargeCurrent-Max 2.5A
BatteryPackVoltage 3.7V
Voltage-Supply(Max) 10V
Interface I²C
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 24-VFQFN Exposed Pad

概要

Description

The BQ24161BRGER is a highly integrated battery charge management and system power path management device from Texas Instruments, designed primarily for single-cell Li-Ion and Li-Polymer batteries. It functions as a switch-mode charger with integrated Power Path Management to simultaneously power a system and charge the battery. The device supports USB and adapter inputs, providing flexibility in power sources, and features dynamic power path management (DPPM) to ensure that the system is powered even when the battery is deeply discharged. It includes safety features such as thermal regulation, battery temperature monitoring, and over-voltage protection. The BQ24161BRGER is designed for compact applications, offering high efficiency and enabling fast charging with minimal heat production. It is suitable for portable electronics, including smartphones and tablets, where battery management and efficient charging are critical. Additionally, the device comes in a small QFN package, which helps save space on the printed circuit board, making it ideal for space-constrained designs.

Equivalent

The BQ24161BRGER is a battery management IC from Texas Instruments. Equivalent products from other manufacturers include the LTC4162 from Analog Devices, the MCP73871 from Microchip Technology, and the MAX77650 from Maxim Integrated. When selecting an equivalent, ensure compatibility with your specific application requirements such as charging current, battery chemistry, and feature set. Always consult the datasheets to confirm matching specifications.

Features

The BQ24161BRGER is a highly efficient, feature-rich battery management IC designed for portable applications. Key features include:
1. Single-Cell Li-Ion/Li-Polymer Charging: Specifically designed for single-cell battery configurations.
2. I²C Interface: Supports communication for control and monitoring.
3. Integrated Power Path Management: Allows simultaneous battery charging and system power management.
4. High-Efficiency Synchronous Switching: Reduces heat dissipation and improves efficiency.
5. Dynamic Power Path Management (DPPM): Optimizes battery charging and system power delivery.
6. Programmable Charge Parameters: Offers flexibility in configuring voltage and current limits.
7. USB On-The-Go (OTG) Support: Enables power output through USB for charging other devices.
8. Safety Features: Includes overvoltage protection, thermal regulation, and battery temperature monitoring.
9. Small Package: Available in a compact VQFN package for space-constrained designs.
10. Wide Input Voltage Range: Accommodates various power sources.
These features make the BQ24161BRGER suitable for modern portable electronics, balancing performance, safety, and convenience.

Pinout

The BQ24161BRGER is a 24-pin integrated circuit designed by Texas Instruments. It is a single-cell, switch-mode, I2C-controlled battery charge management and system power path management device.
Here are the key functions of the BQ24161BRGER:
1. Battery Charger: Supports charging of single-cell Li-ion or Li-polymer batteries.
2. Power Path Management: Ensures that the system is powered even when the battery is deeply discharged or removed.
3. I2C Interface: Allows for communication and control of device settings.
4. Integrated Power FETs: Reduces the number of external components needed for charging and power management.
5. Safety Features: Includes protections like over-voltage, over-current, and thermal regulation to ensure safe charging operations.
The device is particularly suited for portable and handheld applications where efficient power management is crucial.

Manufacturer

The BQ24161BRGER is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and systems. The company is well-known for its development of integrated circuits, including analog chips, digital signal processors, and other semiconductor technologies. TI serves various industries, including automotive, consumer electronics, industrial, and communications, providing components that are integral to many electronic devices and systems.

Application

The BQ24161BRGER is a highly integrated battery charge management IC designed for portable and handheld applications. Its primary application areas include smartphones, tablets, digital cameras, portable media players, and other consumer electronics that require efficient lithium-ion or lithium-polymer battery charging. The IC supports USB and adapter charging, making it suitable for devices that need versatile power management solutions. It is particularly useful in applications where space is limited, thanks to its small package size and integration of multiple charging functionalities, such as power path management and protection features. Its efficient charge control helps prolong battery life and ensure safety in portable devices.

Package

The BQ24161BRGER is packaged in a VQFN (Very Thin Quad Flat No-Lead) package with 24 pins.

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