BQ26100
- Provides authentication of battery packs through SHA-1 engine based HMAC
- 160-byte 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
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.
技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | bq26100 SHA-1/HMAC-based security and authentication IC with an SDQ interface 数据表 (Rev. C) | PDF | HTML | 2019年 2月 17日 | ||
应用手册 | Method to Enhance Authentication Security of BQ26100 | PDF | HTML | 2022年 9月 6日 | |||
选择指南 | 电源管理指南 2018 (Rev. K) | 2018年 7月 31日 | ||||
用户指南 | bq26100 Evaluation Software User's Guide (Rev. A) | 2013年 10月 4日 | ||||
模拟设计期刊 | Improving Battery Safety, Charging, and Fuel Gauging in Portable Media Apps | 2009年 3月 11日 | ||||
应用手册 | Single-Cell Impedance Track Gas Gauge for Novices | 2007年 6月 16日 | ||||
应用手册 | How to Implement SHA-1/HMAC Authentication for bq26100 (Rev. A) | 2006年 10月 9日 |
设计和开发
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BQ26100EVM — 基于 SHA-1/HMAC 的安全和认证 IC
The bq26100 provides a method to authenticate battery packs and other peripherals. The bq26100 uses a 128 bit unique device key and a 160 bit SHA-1/HMAC response to provide authentication. The device key is stored securely in each bq26100 device, allowing the host to authenticate each (...)
封装 | 引脚 | CAD 符号、封装和 3D 模型 |
---|---|---|
VSON (DRP) | 6 | Ultra Librarian |
订购和质量
- RoHS
- REACH
- 器件标识
- 引脚镀层/焊球材料
- MSL 等级/回流焊峰值温度
- MTBF/时基故障估算
- 材料成分
- 鉴定摘要
- 持续可靠性监测
- 制造厂地点
- 封装厂地点