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Provides Authentication of Battery Packs

Through SHA-1 Engine Based HMAC

160 Bytes OTP, 16 Bytes EEPROM

Internal Time-Base Eliminates External

Crystal Oscillator

Low Power Operating Modes:

鈥?Active: < 50

碌A(chǔ)

鈥?Sleep: 8

碌A(chǔ)

Typical

Single-Wire SDQ Interface

Powers Directly From the Communication

Bus

6 Lead SON Package

APPLICATIONS

鈥?/div>

Cellular Phones

PDA and Smart Phones

MP3 Players

Digital Cameras

Internet Appliances

Handheld Devices

鈥?/div>

DESCRIPTION

The bq26100 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 HMAC construction. A unique 128-bit key is stored in each bq26100 device,

allowing the host to authenticate each pack.

The bq26100 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 also derives

power over the SDQ bus line via an external capacitor.

TYPICAL APPLICATION

P+

R1

4.7 kW

SDQ

bq26100

PWR

C1

0.1

m

F

NC

SDQ

VSS

NC

Protector

BAT

OC

DO

P-

CO

VSS

+

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

標(biāo)準(zhǔn)包裝
3,000
類別
集成電路 (IC)
家庭
PMIC - 電池管理
系列
-
功能
電池驗(yàn)證
電池化學(xué)
所有電池類型
電源電壓
2.5 V ~ 5 V
工作溫度
-40°C ~ 85°C
安裝類型
表面貼裝
封裝/外殼
6-VDFN 裸露焊盤
供應(yīng)商設(shè)備封裝
6-VSON 裸露焊盤（3x3）
包裝
帶卷 (TR)
配用
296-30782-ND - EVAL MODULE FOR BQ26100

BQ26100DRPRG4相關(guān)型號(hào)PDF文件下載

型號(hào)

版本

描述

廠商

下載
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BQ26100DRPRG4 Datasheet

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