参数资料
型号: DS2784G+T&R
厂商: Maxim Integrated Products
文件页数: 38/43页
文件大小: 0K
描述: IC FUEL GAUGE STND-ALONE 14-TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 燃料,电量检测计/监控器
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 2.5 V ~ 4.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-TDFN-EP(3x5)
包装: 带卷 (TR)
DS2784: 1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication
Table 12. Guide to Function Command Requirements
COMMAND
Write Challenge
Compute MAC
Compute Next Secret
Clear/Lock Secret, Set/Clear
Overdrive
Read Data
Write Data
Copy Data
Recall Data
Lock
Reset
ISSUE MEMORY
ADDRESS
8 bits
8 bits
8 bits
8 bits
8 bits
ISSUE 00h
BEFORE READ
Yes
READ/WRITE
TIME SLOTS
Write: 64
Read: up to 160
Read: up to 2048
Write: up to 2048
Figure 10. Compute MAC Function Command
t SHA
1-Wire
Reset
SKIP ROM
Cmd
Wait for MAC
Computation
Up to 160 Read Time Slots
(Read 20-Byte MAC)
Presence
Pulse
Compute
MAC
Cmd
38 of 43
8 Write 0
Time Slots
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