BQ79731PHPRQ1

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BQ79731PHPRQ1

BATTERY MANAGEMENT

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  • Mfr. Partie #BQ79731PHPRQ1
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  • Fiche de données
  • En stock6546

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Spécifications

Part Status Active
Function Battery Monitor
Battery Chemistry Multi-Chemistry
Number of Cells 1
Fault Protection Over Current
Interface SPI
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 48-PowerTQFP
Supplier Device Package 48-HTQFP (7x7)
Grade Automotive
Qualification AEC-Q100

Vue d'ensemble

Description

The BQ79731PHPRQ1 is a highly integrated battery monitoring and balancing solution designed by Texas Instruments for electric and hybrid vehicles. It supports a wide range of battery configurations, allowing for the monitoring of up to 16 cells in series. This device provides accurate voltage measurement, current sensing, and temperature monitoring to ensure optimal battery performance and safety.
Key features include a high-precision ADC, cell balancing capabilities, built-in cycle counting, and advanced diagnostics. It is designed to communicate over a robust daisy-chain interface, enabling multiple devices to be connected for scalable battery management systems (BMS). The BQ79731PHPRQ1 also supports various safety features such as fault detection and isolation, making it suitable for automotive applications.
In summary, the BQ79731PHPRQ1 is essential for efficient battery management, enhancing safety and performance in electric vehicle applications.

Features

The BQ79731PHPRQ1 is a high-accuracy battery monitor and balancer IC designed for electric vehicle (EV) and energy storage systems. Key features include:
1. Cell Voltage Monitoring: Monitors up to 16 cells in series with a high accuracy of ±0.5 mV.
2. Cell Balancing: Integrated active cell balancing to ensure uniform cell performance and longevity.
3. Temperature Monitoring: Supports up to 4 thermistors for temperature measurement, enhancing safety.
4. Communication Interfaces: Features a robust daisy-chain communication protocol (SPI) for easy integration into multi-cell systems.
5. Fault Detection: Advanced fault detection capabilities including over-voltage, under-voltage, and over-temperature alerts.
6. Integrated Diagnostics: Self-test and diagnostics features for improved reliability.
7. Low Power Consumption: Designed for energy-efficient operation, suitable for battery management systems.
8. Flexible Configuration: Configurable settings for different battery chemistries and configurations.
These features make the BQ79731PHPRQ1 an ideal choice for sophisticated battery management applications.

Package

The BQ79731PHPRQ1 is packaged in a VQFN (Very Thin Quad Flat No-lead) format, specifically a 48-pin package. This type of package is designed for compact, high-performance applications, providing efficient thermal and electrical performance.

Pinout

The BQ79731PHPRQ1 is a battery monitor and balancer IC with a pin count of 32. It is designed for use in battery management systems, particularly for electric vehicles and energy storage systems.
Key functions include:
1. Cell Voltage Measurement: Monitors the voltage of up to 16 series-connected battery cells.
2. Cell Balancing: Provides passive balancing of cell voltage to ensure uniform charge levels.
3. Temperature Measurement: Interfaces with external temperature sensors to monitor battery temperature.
4. GPIOs: General-purpose input/output pins for additional functions or external connections.
5. Communication: Supports daisy-chaining multiple devices via a dedicated communication protocol for system scalability.
6. Protection Features: Includes over-voltage, under-voltage, and over-temperature protections.
This IC is suitable for high-performance applications requiring accurate monitoring and management of battery cells.

Manufacturer

The manufacturer of the BQ79731PHPRQ1 is Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. It specializes in the development of analog and embedded processing chips, widely used in various applications such as automotive, industrial, and consumer electronics. TI is known for its innovation in power management, signal processing, and microcontrollers, providing a broad portfolio of integrated circuits and solutions that help customers optimize their designs and improve performance. The BQ79731PHPRQ1 itself is a battery monitor and balancer designed for use in high-voltage battery systems, commonly found in electric vehicles and energy storage solutions.

Application

The BQ79731PHPRQ1 is a battery monitor and balancer primarily used in electric vehicles (EVs), energy storage systems, and industrial applications. It facilitates cell balancing, monitors voltage and temperature, and ensures safety in lithium-ion battery packs, enhancing performance and lifespan. Its integration supports advanced battery management systems.

Equivalent

The BQ79731PHPRQ1 chip, a battery monitor and balancer for high-voltage applications, has several equivalent products, including the BQ79737, BQ79730, and BQ79606. These chips also support multi-cell battery management and provide similar functionalities, but may differ in features such as the number of cells monitored and communication protocols. Always verify specific requirements before selecting an equivalent.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

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