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BQ771808DPJR

Battery Management IC in WSON-8-EP(3x4) package

Quantity Unit Price(USD) Ext. Price
1 $0.424 $0.42
10 $0.379 $3.79
30 $0.356 $10.68
100 $0.333 $33.30
500 $0.272 $136.00
1000 $0.266 $266.00

Inventory:8,901

*The price is for reference only.
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Submit your quote request for BQ771808DPJR using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of BQ771808DPJR

The BQ771808DPJR is a 6-Series to 10-Series Cell Li-Ion/Li-Polymer Battery Protection AFE that offers comprehensive protection features for multi-cell battery packs. It is designed to monitor and protect each cell in the battery pack to ensure safe and reliable operation.

Pinout

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

  • VSS: Ground connection
  • VDD: Positive power supply
  • SRN: Serial communication enable pin
  • SDA: Serial data line
  • SCL: Serial clock line

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ771808DPJR for a visual representation.

Key Features

  • Cell Protection: Offers protection features such as overvoltage, undervoltage, short circuit, and overcurrent protection for each cell in the battery pack.
  • Communication Interface: Supports serial communication for configuration and monitoring of the battery pack.
  • Temperature Monitoring: Includes temperature sensing to prevent overheating of the battery cells.
  • Balancing Function: Provides cell balancing capabilities to ensure uniform charging and discharging of cells.
  • Diagnostic Information: Offers diagnostic information to detect faults and issues in the battery pack.

Note: For detailed technical specifications, please refer to the BQ771808DPJR datasheet.

Application

  • Battery Management Systems: Ideal for use in battery management systems for electric vehicles, portable electronics, and energy storage systems.
  • Power Banks: Suitable for protecting and monitoring battery packs used in power banks and portable chargers.
  • Energy Storage Systems: Used in energy storage systems to ensure the safety and efficiency of the battery pack.

Functionality

The BQ771808DPJR is a battery protection AFE that ensures the safety and reliability of multi-cell battery packs. It provides comprehensive protection features and monitoring capabilities to prevent damage and optimize battery performance.

Usage Guide

  • Power Supply: Connect VDD (Pin 2) to the positive power supply and VSS (Pin 1) to ground.
  • Serial Communication: Use the SRN, SDA, and SCL pins for serial communication with the battery protection AFE.
  • Cell Connection: Connect the individual cell voltages to the corresponding pins for monitoring and protection.

Frequently Asked Questions

Q: Can the BQ771808DPJR protect against overcharging?
A: Yes, the BQ771808DPJR provides overvoltage protection to prevent overcharging of battery cells.

Q: Is the BQ771808DPJR suitable for high-current applications?
A: The BQ771808DPJR offers overcurrent protection and can be used in high-current applications with appropriate configuration.

Equivalent

For similar functionalities, consider these alternatives to the BQ771808DPJR:

  • BQ76942: Another multi-cell battery protection AFE with similar protection and monitoring features.
  • IC6803: A battery management IC offering cell protection and balancing functions for multi-cell battery packs.

Specifications

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

Function Protection Number of series cells (min) 2, 3, 4, 5
Number of series cells (max) 3, 4, 5 Features Overvoltage, Single pin output drive, Stackable
Operating current (typ) (µA) 1 Rating Catalog
Vin (max) (V) 25 TI functional safety category Functional Safety-Capable
Overvoltage protection 3.85, 3.95, 4.2, 4.225, 4.275, 4.3, 4.35, 4.45 Operating temperature range (°C) -40 to 110, -40 to 85
Battery overvoltage protection (min) (V) 3.85 Battery overvoltage protection (max) (V) 4.65

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package ?

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

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packageimg

BQ771808DPJR

Battery Management IC in WSON-8-EP(3x4) package

Inventory:

8,901