• BQ29700DSER WSON (DSE)-6
BQ29700DSER WSON (DSE)-6

BQ29700DSER

Secondary safeguard for battery management applications

Quantity Unit Price(USD) Ext. Price
1 $0.407 $0.41
10 $0.331 $3.31
30 $0.298 $8.94
100 $0.257 $25.70
500 $0.214 $107.00
1000 $0.203 $203.00

Inventory:7,647

*The price is for reference only.
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Overview of BQ29700DSER

The BQ29700DSER is a battery protection controller IC designed for safeguarding lithium-ion battery packs against overcharging, over-discharging, and short circuits. It provides precise voltage and current monitoring, as well as control functions to ensure the safety and longevity of battery systems.

Pinout

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

  • CELL-/CB: Negative terminal for the cell or battery
  • CELL+/CB: Positive terminal for the cell or battery
  • PACK-/CB: Negative terminal for the battery pack
  • PACK+/CB: Positive terminal for the battery pack
  • TS/CC: Temperature sense or current control
  • VSS: Ground
  • VDD: Positive power supply
  • VC: Voltage control input
  • VREG: Voltage regulation output
  • SD: Shutdown pin
  • FLT: Fault indicator

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ29700DSER IC for a visual representation.

Key Features

  • Battery Protection: Provides comprehensive protection features for lithium-ion battery packs, including overcharge, over-discharge, and short circuit protection.
  • Precise Monitoring: Offers accurate voltage and current monitoring capabilities to ensure safe and efficient battery operation.
  • Temperature Sensing: Includes temperature sensing functionality to prevent battery overheating and damage.
  • Fault Detection: Features a fault indicator for easy identification of protection events.
  • Shutdown Control: Allows for external shutdown control to conserve battery power when not in use.

Note: For detailed technical specifications, please refer to the BQ29700DSER datasheet.

Application

  • Lithium-ion Battery Packs: Ideal for protecting lithium-ion battery packs used in various applications such as portable electronics, electric vehicles, and energy storage systems.
  • Power Banks: Suitable for use in power bank devices to ensure the safety and reliability of battery charging and discharging processes.
  • Electric Vehicles: Used in electric vehicles for battery management and protection to enhance vehicle performance and safety.

Functionality

The BQ29700DSER serves as a critical component in lithium-ion battery management systems, providing essential protection and control functions to prevent battery damage and optimize performance.

Usage Guide

  • Power Supply: Connect VDD (Pin 7) to the positive power supply and VSS (Pin 6) to ground.
  • Battery Connections: Ensure proper connection of cell and pack terminals for accurate monitoring and protection.
  • Fault Handling: Monitor the FLT pin for fault indications and take necessary actions to address protection events.

Frequently Asked Questions

Q: What types of batteries are compatible with the BQ29700DSER?
A: The BQ29700DSER is designed for use with lithium-ion battery packs.

Q: Can the BQ29700DSER protect against both overcharging and over-discharging?
A: Yes, the BQ29700DSER offers protection against overcharging, over-discharging, and short circuits to ensure battery safety.

Equivalent

For similar functionalities, consider these alternatives to the BQ29700DSER:

  • BQ29200DRBR: A multi-cell battery protection IC offering similar features with a different package and configuration.
  • TP4056: This is a single-cell lithium-ion battery charger IC with protection functions for small battery applications.

BQ29700DSER

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) 1
Number of series cells (max) 1 Features FET drive, Overcurrent during charge (OCC), Overcurrent during discharge (OCD), Overvoltage, Short-circuit Discharge (SCD), Undervoltage
Operating current (typ) (µA) 4 Rating Catalog
Vin (max) (V) 8 Overvoltage protection 3.85, 4.275, 4.28, 4.35, 4.425
Operating temperature range (°C) -40 to 85 Battery overvoltage protection (min) (V) 3.85
Battery overvoltage protection (max) (V) 4.6

Warranty & Returns

Warranty, Returns, and Additional Information

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    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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