參數(shù)資料
型號(hào)： DS2782
廠商： Maxim Integrated Products, Inc.
英文描述： Stand-Alone Fuel Gauge IC
中文描述： 獨(dú)立式電量計(jì)IC
文件頁(yè)數(shù)： 25/25頁(yè)
文件大?。?/td> 291K
代理商： DS2782
DS2782: Stand-Alone Fuel Gauge IC
25 of 25
byte set to the desired FCmd value. Additional data bytes are ignored. Data read from memory address FEh is
undefined.
S SAddr W A MAddr=0FEh A FCmd A P
Table 5. Function Commands
FUNCTION
COMMAND
TARGET
EEPROM
BLOCK
FCMD
VALUE
DESCRIPTION
0
42h
Copy Data
1
44h
This command copies the shadow RAM to the target EEPROM block.
Copy Data commands that target locked blocks are ignored. While the
Copy Data command is executing, the EEC bit in the EEPROM register is
set to 1, and Write Data commands with MAddr set to any address within
the target block are ignored. Read Data and Write Data commands with
MAddr set outside the target block are processed while the copy is in
progress. The Copy Data command execution time, t
EEC
, is 2ms typical
and starts after the FCMD byte is acknowledged. Subsequent Copy or
Lock commands must be delayed until the EEPROM programming cycle
completes.
This command recalls the contents of the targeted EEPROM block to its
shadow RAM.
0
B2h
Recall Data
1
B4h
0
63h
Lock
1
66h
This command locks (write-protects) the targeted EEPROM block. The
LOCK bit in the EEPROM register must be set to 1 before the lock
command is executed. If the LOCK bit is 0, the lock command has no
effect. The lock command is permanent; a locked block can never be
written again. The Lock command execution time, t
EEC
, is 2ms typical and
starts after the FCMD byte is acknowledged. Subsequent Copy or Lock
commands must be delayed until the EEPROM programming cycle
completes.
64-BIT UNIQUE ID
The DS2782 can be special ordered with a unique, factory-programmed ID that is 64 bits in length. The first eight
bits are the product family code (B2h for DS2782). The next 48 bits are a unique 40-bit serial number followed by
0x82h. The last eight bits are a cyclic redundancy check (CRC) of the first 56 bits (see Figure 16). The 64-bit ID
can be read as 8 bytes starting at memory address F0h. The 64-bit ID is read only.
Figure 16.
64-BIT ID FORMAT
8-BIT CRC
48-BIT SERIAL NUMBER
msb
PACKAGE INFORMATION
(For the latest package outline information, go to
www.maxim-ic.com/DallasPackInfo
.)
8-BIT FAMILY
CODE (B2h)
lsb
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2782_09 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Stand-Alone Fuel Gauge IC
DS2782BE 制造商:Maxim Integrated Products 功能描述:STAND ALONE FG IC 2WIRE 8P TSSOP - Rail/Tube
DS2782BE/T&R 制造商:Maxim Integrated Products 功能描述:STAND ALONG FG IC 2WIRE 8P TSSOP TR - Tape and Reel
DS2782E+ 功能描述:電池管理 Stand-Alone Fuel Gauge RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
DS2782E+R 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Stand-Alone Fuel Gauge IC
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