1 to 4 Series Cell Li-Ion Battery Pack Manager Reference Design

(ACTIVE) TIDA-00883

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Key Document

Description

The Texas Instruments bq40z50-R1 device is a Battery Pack Manager that integrates gas gauging, and protection for completely autonomous operation of 1-series to 4-series cell Li-Ion and Li-Polymer battery packs. The architecture enables communication between the fuel gauging processor and an enternal battery charger controller through SMBus broadcast commands.

Features
  • Fully Integrated gauge, protector and charger to support  1 to 4-Series Li-Ion or Li-Polymer cells
  • 2nd Level Protector provides Over Voltage Protection and an integrated 3.3V LDO Regulator
  • Impedance Track Technology
  • Integrated SHA-1 Authentication
  • This circuit design is tested and includes orderable EVM, User's Guide, and evaluation software.

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Schematic/Block Diagram

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Bill of Materials (BOM)

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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

BQ40Z50EVM-561:
1 Series, 2 Series, 3 Series, and 4 Series Li-Ion Battery Pack Manager Evaluation Module

$99.00(USD)


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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
BQ2961  2-4S Overvoltage Protector with LDO Output  Battery management  Sample & Buy View Design Kits & Evaluation Modules
BQ40Z50-R1  1-4 Series Li-Ion Battery Pack Manager, Battery Fuel (Gas) Gauge  Battery management  Sample & Buy View Design Kits & Evaluation Modules
BQ40Z50-R2  1-4 Series Li-Ion Battery Pack Manager | Battery Fuel (Gas) Gauge  Battery management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
BQ2961 Download Download
BQ40Z50-R1 Download
BQ40Z50-R2 Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 284 15 Dec 2015 106
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 393 15 Dec 2015 33
ZIP 456 15 Dec 2015 43
PDF 1656 15 Dec 2015 39
PDF 197 15 Dec 2015 27
PDF 80 15 Dec 2015 33
PDF 183 15 Dec 2015 124

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