BQ29311PWR Battery protection IC for Li-Ion battery packs, supporting 3 to 4 series cells. Housed in a 24-pin TSSOP package.
Mfr Part #:

BQ29311PWR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
Battery protection IC for Li-Ion battery packs, supporting 3 to 4 series cells. Housed in a 24-pin TSSOP package.
Total Stock: 85,144 pcs
$ Price Range: $2.90

BQ29311PWR Available from 4 distributors

Authorised
Non-Authorised

BQ29311PWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Fault Protection
Function
Interface
Mounting Type
Operating Temperature
Supplier Device Package

BQ29311PWR Description

Short technical summary and product information.

The BQ29311PWR from Texas Instruments is a battery protection integrated circuit designed for Li-Ion battery packs. It supports a minimum of 3 and a maximum of 4 series cells, making it suitable for multi-cell applications. The device is packaged in a 24-pin TSSOP, which is commonly used for compact and surface-mount designs. This IC is part of the Battery Management category and is intended for use in portable electronics, power tools, and other battery-powered devices requiring precise protection against overcharge, overdischarge, and short circuits. The part is manufactured by Texas Instruments, a leading supplier of analog and embedded processing solutions.

BQ29311PWR Quick Information

Product Type: Battery Protection IC
Canonical Name: BQ29311PWR Battery Protection IC
Subcategory: Battery Management

BQ29311PWR Compliance

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

BQ29311PWR Estimated Pricing

Qty Low High
1+ $2.90 $2.90

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

BQ29311PWR Features

  • 3-4 cell lithium-ion battery protection IC.
  • Integrated 3.3V 25mA LDO regulator.
  • I2C interface for battery parameter access.
  • Autonomous overcurrent and short circuit protection.
  • Provides drive for three external FETs.

BQ29311PWR Applications

  • Used in battery pack protection circuits.
  • Ideal for portable electronics and power tools.
  • Suitable for multi-cell Li-Ion battery systems.

BQ29311PWR FAQs

2 frequently asked questions generated from this part’s specifications.
What is the maximum number of series cells supported?

The maximum number of series cells is 4.

What is the minimum number of series cells supported?

The minimum number of series cells is 3.

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