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bq26150 - BATTERY PACK SECURITY/AUTHENTICATION

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General Description

The bq26150 provides a method to authenticate battery packs, ensuring that only packs manufactured by authorized sub-contractors are used in the end application.

The bq26150 uses a 96-bit unique device ID, device unique 16-bit seed, and a 16-bit device specific CRC to provide security.

The device ID, CRC seed, and CRC polynomial coefficients are stored securely in each bq26150 device, allowing the host to authenticate each pack.

Overview

PRODUCT PREVIEW bq26150 www.ti.com SLUS641A – JANUARY 2005 – REVISED JULY 2005 BATTERY PACK SECURITY AND AUTHENTICATION IC FOR PORTABLE APPLICATIONS.

Key Features

  • Provides Authentication of Battery Packs Through a Programmable CRC With a 96-bit Unique Device ID.
  • 16 Bytes of User-Programmable Nonvolatile Memory.
  • 12.5 KV IEC ESD Protection on HDQ Input.
  • Internal Time-Base Eliminates External Crystal Oscillator.
  • Low-Power Operating:.

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