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BQ26150

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: <30 µ A*Sin...

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SeekIC No. : 004301268 Detail

BQ26150: 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...

BQ26150 Data Sheet

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Part Number:
BQ26150
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/17

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Product Details

Description



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: <30 µ A
*Single-Wire HDQ Interface
*Powered Directly From the Communication Bus
*Pass-Through HDQ Version Supports Existing
  Packs With Gas Gauges


Application

Cellular Phones
PDA and Smart Phones
MP3 Players
Digital Cameras
Internet Appliances
Handheld Devices


Pinout

Connection Diagram


Specifications

    UNIT
VSS Supply voltage (HDQ with respect to VSS ) 0.3 V to 7.7 V
VI Input voltage (HDQP with respect to VSS ) 0.3 V to 7 V
IO Output current (HDQ and HDQP) 5 mA
TA Operating free-air temperature range 20  to 70
Tstg Storage temperature range 65 to 150
TJ Junction temperature range 40 to 125
  Lead temperature (soldering, 10 sec) 300



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 BQ26150 ID, CRC seed, and CRC polynomial coefficients are stored securely in each bq26150 device, allowing the host to authenticate each pack.

    The bq26150 communicates to the system over a simple one-wire, bidirectional serial interface. The 5 kbits/s HDQ bus interfaces reduces communications overhead in the external microcontroller. The bq26150 also uses the HDQ bus to charge an external capacitor that provides power to the bq26150.




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