• BQ40Z80RSMR VQFN (RSM)-32
BQ40Z80RSMR VQFN (RSM)-32

BQ40Z80RSMR

PQCC32 power supply management circuit with 7 adjustable channels

Quantity Unit Price(USD) Ext. Price
1 $2.719 $2.72
10 $2.407 $24.07
30 $2.167 $65.01
100 $1.954 $195.40
500 $1.877 $938.50
1000 $1.845 $1,845.00

Inventory:5,356

*The price is for reference only.
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Overview of BQ40Z80RSMR

The BQ40Z80RSMR is a battery fuel gauge and protection IC designed for use in battery management systems. It provides accurate monitoring of battery status, capacity, and health, as well as protection features to ensure safe and efficient battery operation.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VBAT: Battery Voltage Input
  • VSS: Ground Connection
  • SDA/SCL: I2C Communication Interface
  • ALERT: Interrupt Output
  • TS1/TS2: Thermistor Inputs
  • SRP/SRN: Sense Resistor Inputs
  • DCP/NTC: Die Temperature Inputs
  • TS1P/TS2P: Thermistor Pin
  • TS1N/TS2N: Thermistor Pin
  • SRP/SRN: Sense Resistor Pin
  • DCP: Die Temperature Pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ40Z80RSMR IC for a visual representation.

Key Features

  • Battery Fuel Gauge: Monitors battery status, capacity, and health for accurate battery management.
  • Battery Protection: Features protection mechanisms to prevent overcharging, overdischarging, and overheating of batteries.
  • I2C Interface: Supports I2C communication for easy integration with microcontrollers and battery management systems.
  • Temperature Monitoring: Includes inputs for thermistors and die temperature sensing to monitor battery temperature.
  • Accurate Measurement: Provides precise measurements of battery voltage, current, and temperature for optimal battery performance.

Note: For detailed technical specifications, please refer to the BQ40Z80RSMR datasheet.

Application

  • Battery Management Systems: Ideal for use in battery management systems for various applications, including portable devices, electric vehicles, and renewable energy systems.
  • Power Banks: Suitable for integrating into power banks and portable chargers to monitor and protect battery cells.
  • Electric Vehicles: Used in electric vehicle battery packs to manage battery health, safety, and performance.

Functionality

The BQ40Z80RSMR is a comprehensive battery management IC that provides accurate monitoring and protection for batteries. It ensures the safe and efficient operation of battery-powered systems with advanced features.

Usage Guide

  • Connection: Connect the VBAT pin to the battery voltage, ground the VSS pin, and interface the SDA/SCL pins with the microcontroller for communication.
  • Thermistor Inputs: Connect the thermistor inputs for temperature monitoring and configure the settings for optimum battery performance.
  • Protection Settings: Set up the protection parameters to prevent battery overcharging, overdischarging, and excessive temperature.

Frequently Asked Questions

Q: How accurate is the battery capacity monitoring with the BQ40Z80RSMR?
A: The BQ40Z80RSMR provides highly accurate battery capacity monitoring, ensuring precise tracking of the remaining battery charge.

Q: Can the BQ40Z80RSMR be used in high-temperature environments?
A: Yes, the BQ40Z80RSMR includes temperature monitoring features and can operate in high-temperature environments with proper thermal management.

Equivalent

For similar functionalities, consider these alternatives to the BQ40Z80RSMR:

  • BQ34Z100: This is another battery fuel gauge IC from Texas Instruments, offering comparable features and performance for battery management applications.
  • MAX17055: A fuel gauge and protection IC from Maxim Integrated, providing similar battery monitoring and protection capabilities.

BQ40Z80RSMR

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Cell chemistry Li-Ion/Li-Polymer, LiFePO4 Number of series cells 2-4 Cells, >4 Cells
Communication interface SMBus Battery capacity (min) (mAh) 500
Battery capacity (max) (mAh) 65000 Implementation Pack
External capacity indication LED Features Cell balancing, ECC authentication, Impedance Track™ algorithm, Integrated Protector, SHA-1 Authentication, Turbo Mode
Operating temperature range (°C) -40 to 85 Cell balancing External, Internal
Rating Catalog

Warranty & Returns

Warranty, Returns, and Additional Information

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    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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