BQ29312APWR

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BQ29312APWR

+BOM

IC BATT PROT LI-ION 2-4C 24TSSOP

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  • 제조업체 부품 #BQ29312APWR

  • 패키지 TSSOP (PW)-24

  • 재고5500

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Battery Protection
BatteryChemistry Lithium Ion/Polymer
NumberofCells 2 ~ 4
FaultProtection Over Current, Over/Under Voltage, Short Circuit
Interface I²C
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 24-TSSOP (0.173, 4.40mm Width)

개요

Description

The BQ29312APWR is a battery management IC designed by Texas Instruments primarily for lithium-ion and lithium-polymer battery packs. It functions as a key component in battery protection and monitoring systems, offering critical safety features for managing multi-cell battery configurations. The device integrates several protective functions, including overvoltage, undervoltage, overcurrent, and short-circuit protection. This ensures that each cell in the battery pack remains within safe operating limits, enhancing the overall reliability and lifespan of the battery.
The BQ29312APWR operates by interfacing directly with a separate microcontroller or dedicated battery management unit to provide real-time monitoring capabilities. It supports a variety of configurations, allowing for customization based on specific application requirements. Additionally, the IC is known for its low power consumption, which is crucial for maintaining battery efficiency. Commonly used in applications such as consumer electronics, electric vehicles, and renewable energy storage systems, the BQ29312APWR serves as an essential component for maintaining battery integrity and safety in complex power management systems.

Equivalent

The BQ29312APWR is a battery monitor and protection IC typically used in multi-cell lithium-ion battery packs. Equivalent products include the BQ29330 and BQ76920 from Texas Instruments, as they offer similar functionality for battery management. Additionally, the Maxim Integrated MAX14921 and Analog Devices' AD7280A can serve as alternatives, depending on the specific application requirements such as cell count, voltage range, and communication interface. Always verify pin compatibility and electrical specifications when selecting an equivalent.

Features

The BQ29312APWR is a battery management IC designed for lithium-ion and lithium-polymer battery packs. Key features include:
1. Cell Voltage Monitoring: Supports monitoring of up to four series-connected cells. It ensures accurate voltage measurement for each cell.
2. Overvoltage and Undervoltage Protection: Provides protection by monitoring cell voltages and triggering safety protocols when thresholds are exceeded.
3. Overcurrent and Short Circuit Protection: Guards against excessive current conditions, ensuring the safety and reliability of the battery pack.
4. Temperature Monitoring: Includes temperature sensing capabilities to prevent thermal runaway by monitoring and responding to temperature changes.
5. Communication Interface: Utilizes an I2C interface for communication, facilitating easy integration with microcontrollers and other system components.
6. Low Power Consumption: Designed to operate with minimal power usage, extending the battery life and efficiency of the device.
7. Programmable Thresholds: Allows customizable settings for various protection thresholds, offering flexibility to adapt to different battery specifications.
These features make the BQ29312APWR suitable for a wide range of applications in consumer electronics, electric vehicles, and portable devices.

Pinout

The BQ29312APWR is a battery management IC designed for lithium-ion battery packs. It is typically used in applications requiring protection and monitoring of multi-cell lithium-ion battery packs. The BQ29312APWR is a 24-pin TSSOP (Thin Shrink Small Outline Package).
Here are the key functions of the BQ29312APWR:
1. Voltage Monitoring: It monitors the voltage of each cell in a multi-cell series battery pack. This ensures that no cell exceeds its maximum voltage limit or falls below its minimum threshold.
2. Overcurrent Protection: The IC provides protection against overcurrent conditions, safeguarding the battery pack from excessive current flow that could lead to damage or unsafe operation.
3. Balancing: It supports cell balancing, which ensures that all cells within the battery pack remain at an equal state of charge, optimizing performance and extending the life of the battery.
4. Communication: The BQ29312APWR can communicate with a host controller for further data processing and control, often using an SMBus or I2C interface.
These features make the BQ29312APWR suitable for applications like laptops, power tools, and other portable electronic devices requiring reliable battery management.

Manufacturer

The BQ29312APWR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and produces semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is known for its broad range of products, including analog chips, digital signal processors, microcontrollers, and other electronic components. The company serves a diverse set of industries, including automotive, industrial, consumer electronics, communications, and enterprise systems. TI is respected for its innovation in the semiconductor field and has a strong reputation for quality and reliability in its products.

Application

The BQ29312APWR is primarily used in battery management systems for lithium-ion and lithium-polymer rechargeable batteries. It is designed to monitor and protect battery packs by offering features such as overvoltage, undervoltage, and overcurrent protection. This IC is suitable for applications in consumer electronics like laptops, smartphones, and tablets. Additionally, it is used in power tools, e-bikes, and other portable devices that require reliable battery monitoring and protection to ensure safe and efficient battery operation. Its compact design and robust functionality make it ideal for integrating into multifunctional battery packs.

Package

The BQ29312APWR is a battery management IC from Texas Instruments. It comes in a TSSOP (Thin Shrink Small Outline Package) with 24 pins, specifically identified by the "PW" package code.

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