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BQ29311PW Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
BQ29311PWTI238Yes

part **BQ29311PW** is a **battery protection analog front-end (AFE) IC** manufactured by **Texas Instruments (TI)** under the **Benchmarq** product line.

The part BQ29311PW is a battery protection analog front-end (AFE) IC manufactured by Texas Instruments (TI) under the Benchmarq product line.

Key Specifications:

  • Function: Provides overvoltage, undervoltage, and overcurrent protection for 2-series to 4-series Li-ion/Li-polymer battery packs.
  • Voltage Monitoring:
  • Monitors individual cell voltages (up to 4 cells).
  • Overvoltage detection range: Adjustable via external resistors.
  • Undervoltage detection range: Adjustable via external resistors.
  • Current Monitoring:
  • Supports charge/discharge overcurrent protection.
  • Includes short-circuit detection.
  • Communication Interface: I²C-compatible interface for configuration and status monitoring.
  • Package: TSSOP-16 (PW).
  • Operating Voltage Range: 2.5V to 25V (supports battery packs up to 16.8V for 4S Li-ion).
  • Protection Features:
  • Cell balancing support (external FET control).
  • Fault output signal for system alerts.
  • Programmable delay timers for fault responses.
  • Temperature Range: -40°C to +85°C.

This IC is commonly used in portable electronics, power tools, and backup power systems requiring multi-cell Li-ion battery protection.

(No additional guidance or suggestions provided.)

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