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bq2022

Features: 1024 bits of One-Time Programmable (OTP)EPROM For Storage Of User-Programmable Configuration Data Factory-Programmed Unique 64-Bit Identification Number Bus-Interface Architecture Allowing Multiple bq2022s Attached to a Single Host Single-Wire Interface to Reduce Circuit Board Routing Sy...

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SeekIC No. : 004301138 Detail

bq2022: Features: 1024 bits of One-Time Programmable (OTP)EPROM For Storage Of User-Programmable Configuration Data Factory-Programmed Unique 64-Bit Identification Number Bus-Interface Architecture Allowing...

bq2022 Data Sheet

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Part Number:
bq2022
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: 2024/5/13

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Product Details

Description



Features:

1024 bits of One-Time Programmable (OTP)EPROM For Storage Of User-Programmable Configuration Data
Factory-Programmed Unique 64-Bit Identification Number
Bus-Interface Architecture Allowing Multiple bq2022s Attached to a Single Host
Single-Wire Interface to Reduce Circuit Board Routing
Synchronous Communication Reduces Host Interrupt Overhead
No Standby Power Required
Available in a 3-Pin SOT23 Package


Application

Security Encoding
Inventory Tracking
Product-Revision Maintenance
Battery-Pack Identification


Specifications

  UNIT
DC voltage applied to data, VPU -0.3V to 7V
Low-level output current, IOL 40 mA
ESD human body model Data to VSS, VSS to data 15 kV
Operating free-air temperature range, TA -20 to 70
Communication free-air temperature range, TA(Comm) Communication is specified by design -40 to 85
Storage temperature range, Tstg -55to125
Lead temperature (soldering, 10 s) -260°C



Description

The bq2022 is a 1K-bit serial EPROM containing a factory programmed unique 48-bit identification number, 8-bit CRC generation, and the 8-bit family code (09h). A 64-bit status register controls write protection and page redirection.


The bq2022 SDQ interface (TI's proprietary serial communications protocol) requires only a single connection and a ground return. The DATA pin is also the sole power source for it. The bus architecture allows multiple SDQ devices to be connected to a single host.


The small surface-mount package options of bq2022 saves printed-circuit-board space, while the low cost makes it ideal for applications such as battery pack configuration parameters, record maintenance, asset tracking, productrevision status, and access-code security.




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