BQ26100 - 具有 SDQ 接口的基于 SHA-1/HMAC 安全和认证 IC

BQ26100是TI德州仪器公司的一款电池监控,保护及认证解决方案产品，BQ26100是具有 SDQ 接口的基于 SHA-1/HMAC 安全和认证 IC，本站介绍了BQ26100的封装应用图解、特点和优点、功能等，并给出了与BQ26100相关的TI元器件型号供参考。

BQ26100 - 具有 SDQ 接口的基于 SHA-1/HMAC 安全和认证 IC - 电池监控,保护及认证解决方案 - 电池管理产品 - 德州仪器

产品特性

Provides Authentication of Battery Packs Through SHA-1 Engine Based HMAC
160-Bytes One Time Programmable (OTP), 16-Bytes EEPROM
Internal Time-Base Eliminates External Crystal Oscillator
Low-Power Operating Modes:
- Active: < 50 μA
- Sleep: 8 μA Typical
Single-Wire SDQ Interface
Powers Directly From the Communication Bus
6-Lead VSON Package

产品应用

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

产品说明

The bq26100 device provides a method to authenticate battery packs, ensuring that only packs manufactured by authorized sub-contractors are used in the end application. The security is achieved using the SHA-1 hash function inside the widely adopted keyed-hash message authentication code (HMAC) construction. A unique 128-bit key is stored in each bq26100 device, allowing the host to authenticate each pack.

The bq26100 device communicates to the system over a simple one-wire bi-directional serial interface. The 5-kbits/s SDQ bus interface reduces communications overhead in the external microcontroller. The bq26100 device also derives power over the SDQ bus line via an external capacitor.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq26100	VSON (6)	3.00 mm × 3.00 mm

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