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BQ29702DSER The Texas Instruments BQ29702DSER is a single-cell battery protector IC designed for Lithium-ion and Lithium-polymer batteries. It offers comprehensive protection against overcurrent, over/under voltage, and short circuits.
Mfr Part #:

BQ29702DSER

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ29702DSER is a single-cell battery protector IC designed for Lithium-ion and Lithium-polymer batteries. It offers comprehensive protection against overcurrent, over/under voltage, and short circuits.
Total Stock: 10,434 pcs
$ Price Range: $0.17

BQ29702DSER Available from 3 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
6,000 pcs
6000 pcs On Request 1 On Request On Request 20+ On Request On Request
Non-Authorised Inventory information
4,268 pcs
4268 pcs On Request 1 On Request On Request 17+ On Request On Request
Non-Authorised Inventory information
166 pcs
166 pcs On Request 1 On Request On Request 1610+ On Request On Request

BQ29702DSER Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Fault Protection
Function
Input Voltage
Input Voltage Range
Mounting Type
Number of Cells
Operating Current
Operating Temperature
Overvoltage Protection (Minimum/Maximum)
Supplier Device Package

BQ29702DSER Description

Short technical summary and product information.

The BQ29702DSER from Texas Instruments is an advanced single-cell battery protector IC specifically designed for Lithium-ion (Li-ion) and Lithium-polymer (Li-Po) battery applications. This device provides robust protection against common battery fault conditions, including overcurrent during charge and discharge, overvoltage, undervoltage, and load short-circuit conditions.

 

Key electrical specifications include a typical operating current of 4µA and a maximum input voltage of 8V. The overvoltage protection thresholds range from a minimum of 3.85V to a maximum of 4.6V, ensuring the battery stays within safe operating limits. The device operates across a wide temperature range of -40°C to 85°C.

 

Packaged in a compact 6-WSON (1.5x1.5mm) or 6-WFDFN surface-mount package, the BQ29702DSER is suitable for space-constrained designs. Its function as a battery protector makes it an essential component for enhancing the safety and longevity of single-cell battery packs in various portable electronic devices.

BQ29702DSER Quick Information

Product Type: Battery Management IC
Series: BQ2970
Canonical Name: BQ29702DSER Single-Cell Lithium-Ion/Polymer Battery Protector IC
Subcategory: Battery Management ICs

BQ29702DSER Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BQ29702DSER Estimated Pricing

Qty Low High
1+ $0.17 $0.17

Estimated market price range - modelled values for guidance only, not live distributor offers.

BQ29702DSER Features

  • Protects single-cell Li-ion/Li-Po batteries.
  • Detects overcurrent, over/under voltage, short circuit.
  • Low typical operating current of 4µA.
  • Wide operating temperature range of -40°C to 85°C.
  • Compact 6-WSON surface mount package.

BQ29702DSER Applications

  • Enhances safety in portable electronics.
  • Protects battery packs in consumer devices.
  • Used in battery management systems.
  • Suitable for space-constrained designs.

BQ29702DSER FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the BQ29702DSER?

The BQ29702DSER operates within a temperature range of -40°C to 85°C.

What package types are available for the BQ29702DSER?

The BQ29702DSER is available in 6-WSON (1.5x1.5), 6-WFDFN, and 6-pin DSE (1.50mm × 1.50mm × 0.75mm) packages.

What is the function of the BQ29702DSER?

The BQ29702DSER provides battery protection.

What types of fault protection does the BQ29702DSER offer?

The BQ29702DSER offers over current, over/under voltage, and short circuit fault protection.

What is the typical operating current of the BQ29702DSER?

The typical operating current of the BQ29702DSER is 4µA.

What is the maximum input voltage for the BQ29702DSER?

The maximum input voltage for the BQ29702DSER is 8V.

What is the overvoltage protection range for the battery?

The battery overvoltage protection range is between 3.85V and 4.6V.

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