BQ7790508PW

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BQ7790508PW

IC BATT PROT LI-ION 3-5C 20TSSOP

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  • Мфр. Часть #BQ7790508PW
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Спецификации

Part Status Active
Function Battery Protection
Battery Chemistry Lithium Ion
Number of Cells 3 ~ 5
Fault Protection Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-TSSOP
Base Product Number BQ7790508

Обзор

Description

The BQ7790508PW is a battery management system (BMS) chip from Texas Instruments designed for lithium-ion battery packs. It provides advanced features for monitoring and protecting battery cells, ensuring safe and efficient operation in applications such as electric vehicles, energy storage systems, and portable electronics.
Key functionalities of the BQ7790508PW include cell voltage monitoring, temperature sensing, and balancing of individual cells. It supports up to 8 series-connected cells, offering integrated overvoltage, undervoltage, and overtemperature protection. The device features a serial communication interface for system diagnostics and configuration, allowing seamless integration into larger battery management systems.
By enabling accurate state-of-charge (SOC) estimation and providing robust protection mechanisms, the BQ7790508PW enhances battery performance and longevity, making it a vital component in modern battery management applications. Its compact package and programmable features also facilitate design flexibility for engineers.

Features

The BQ7790508PW is a battery management system (BMS) designed for lithium-ion and lithium polymer batteries. Key features include:
1. Cell Monitoring: Monitors up to 8 series-connected cells, with individual cell voltage measurement.
2. Protection: Provides overvoltage, undervoltage, and overcurrent protection to ensure battery safety.
3. Temperature Monitoring: Supports external temperature sensors for thermal protection.
4. Balancing: Features passive cell balancing to optimize battery life and performance.
5. Communication: Offers I²C interface for communication with external microcontrollers.
6. Integrated FET Drivers: Includes built-in drivers for external MOSFETs to control charge and discharge paths.
7. Integrated Diagnostics: Provides fault detection and diagnostics, improving reliability and maintenance.
8. Flexible Configuration: Allows customization for different battery configurations and applications.
These features make the BQ7790508PW suitable for applications like energy storage systems, electric vehicles, and other portable battery-operated devices.

Package

The BQ7790508PW is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins. This surface-mount package is designed for efficient thermal performance and space-saving in electronic designs.

Pinout

The BQ7790508PW is a battery management system (BMS) IC from Texas Instruments designed for lithium-ion battery packs. It features a 48-pin HTQFP (Thin Quad Flat Package) package.
The main functions of the BQ7790508PW include:
1. Cell Voltage Monitoring: It monitors the voltage of up to 8 series-connected lithium-ion cells.
2. Temperature Monitoring: It supports temperature sensing for safety and performance.
3. Balancing Control: The device provides cell balancing functionality to ensure equal charge levels across cells.
4. Protection Features: It integrates over-voltage, under-voltage, over-current, and thermal protection.
5. Communication: It supports communication with a host microcontroller through an I2C interface.
6. Fault Detection: The IC can detect and report faults in the battery pack.
Overall, the BQ7790508PW is critical for enhancing battery safety, performance, and longevity.

Manufacturer

The BQ7790508PW is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing a wide range of analog and embedded processing chips, serving various sectors such as automotive, industrial, communications, and consumer electronics. The BQ7790508PW is part of TI's battery management solutions, designed for protecting lithium-ion battery packs by monitoring cell voltage, temperature, and providing other safety features for battery systems in applications like electric vehicles and energy storage. TI is known for its innovation in technology and commitment to high-quality products.

Application

The BQ7790508PW is a battery management IC primarily used in applications such as electric vehicles, energy storage systems, power tools, and portable electronics. It supports lithium-ion battery packs, providing functions like cell balancing, over-voltage and under-voltage protection, temperature monitoring, and state-of-charge estimation, ensuring safety and reliability in battery operation.

Equivalent

The BQ7790508PW chip is a battery management system primarily used for lithium-ion batteries. Equivalent products include the BQ77905 series (BQ77905, BQ7790520) and other similar battery management ICs from manufacturers like Analog Devices (AD7280), Maxim Integrated (MAX14920), and Texas Instruments' other BQ series. Always check specifications and compatibility for specific applications.

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