BQ40Z50RSMR-R1 Power Path Management IC Battery Management 1s-4s gauge with integrated AFE

BQ40Z50RSMR-R1 Power Path Management IC Battery Management 1s-4s gauge with integrated AFE

1 Features

• Fully Integrated 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion or Li-Polymer Cell Battery Pack Manager and Protection

• Next-Generation Patented Impedance TrackTM Technology Accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries

• High Side N-CH Protection FET Drive

• Integrated Cell Balancing While Charging or At Rest

• Full Array of Programmable Protection Features

  • – Voltage

  • – Current

  • – Temperature

  • – Charge Timeout

  • – CHG/DSG FETs

  • – AFE

• Sophisticated Charge Algorithms

  • – JEITA

  • – Enhanced Charging

  • – Adaptive Charging

  • – Cell Balancing

• Supports TURBO BOOST Mode

• Supports Battery Trip Point (BTP)

• Diagnostic Lifetime Data Monitor and Black Box Recorder

• LED Display

• Supports Two-Wire SMBus v1.1 Interface

• SHA-1 Authentication

• Compact Package: 32-Lead QFN (RSM)

2 Applications

• Notebook/Netbook PCs

• Medical and Test Equipment

• Portable Instrumentation

3 Description

The bq40z50-R1 device, incorporating patented Impedance TrackTM technology, is a fully integrated, single-chip, pack-based solution that provides a rich array of features for gas gauging, protection, and authentication for 1-series, 2-series, 3-series, and 4- series cell Li-Ion and Li-Polymer battery packs.

Using its integrated high-performance analog peripherals, the bq40z50-R1 device measures and maintains an accurate record of available capacity, voltage, current, temperature, and other critical parameters in Li-Ion or Li-Polymer batteries, and reports this information to the system host controller over an SMBus v1.1 compatible interface.

Device Information