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DS2703U+T&R PDF预览

DS2703U+T&R

更新时间: 2024-09-13 14:49:11
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
20页 370K
描述
Power Supply Support Circuit, Fixed, 1 Channel, PDSO8, LEAD FREE, MICRO, SOP-8

DS2703U+T&R 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:TSSOP, TSSOP8,.19针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.31可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:S-PDSO-G8
JESD-609代码:e3长度:3 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:8
最高工作温度:70 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP8,.19封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:3/5 V认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Power Management Circuits
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.7 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

DS2703U+T&R 数据手册

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DS2703  
SHA-1 Battery Pack  
Authentication IC  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
The DS2703 provides a robust cryptographic solution  
to ensure the authenticity of Li-Ion battery packs for  
cell phone, PDA, and portable computing devices.  
The DS2703 employs the Secure Hash Algorithm  
(SHA-1) specified in the Federal Information  
publication 180-1 and 180-2, and ISO/IEC 10118-3.  
SHA-1 is designed for authenticationjust what is  
required for identifying battery packs manufactured  
by authorized sources.  
ƒ
Secure Challenge and Response Authentication  
Using the SHA-1 Algorithm  
ƒ
Directly Powered by the Dallas 1-Wire® Interface  
with 16kbps Standard and 143kbps Overdrive  
Communication Modes  
ƒ
ƒ
ƒ
ƒ
Unique 64-Bit Serial Number  
Thermistor Multiplexer  
Operates with VPULLUP as Low as 2.7V  
Pb-Free 8-Pin μMAX® or 2mm x 3mm TDFN  
Package  
The device’s SHA-1 engine processes a host  
transmitted challenge using its stored 64-bit secret  
key and unique 64-bit ROM ID to produce a 160-bit  
response word for transmission back to the host. The  
secret key is securely stored on-chip and never  
transmitted between the battery and the host. A  
DS2703-based system produces a high degree of  
authentication security between a host system and its  
removable battery or other peripheral devices.  
PIN CONFIGURATION  
The Thermistor Multiplexer feature allows a three  
contact battery pack configuration to support data  
and thermistor functions. When activated through  
1-Wire command, the THM pin presents the  
thermistor impedance on the data contact and  
disconnects internal loading from the node.  
TYPICAL OPERATING CIRCUIT  
APPLICATIONS  
2.5G/3G Wireless Handsets  
PDAs  
Handheld or Notebook Computers and Terminals  
Digital Still and Video Cameras  
ORDERING INFORMATION  
PART  
TEMP RANGE  
PIN-PACKAGE  
DS2703G+  
2mm x 3mm TDFN  
DS2703G+ on  
Tape-and-Reel  
-20°C to +70°C  
DS2703G+T&R  
DS2703U+  
-20°C to +70°C  
-20°C to +70°C μMAX-8  
DS2703U+ on  
Tape-and-Reel  
DS2703U+T&R  
-20°C to +70°C  
1-Wire is a registered trademark of Dallas Semiconductor.  
µMAX is a registered trademark of Maxim Integrated Products.  
+ Denotes lead-free package.  
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device  
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.  
1 of 20  
REV: 061307  

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