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參數(shù)資料
| 型號： | DS2434 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Memory IC:Other |
| 英文描述： | SPECIALTY MEMORY CIRCUIT, PBCY3 |
| 封裝： | TO-92, 3 PIN |
| 文件頁數(shù)： | 18/20頁 |
| 文件大?。?/td> | 823K |
| 代理商： | DS2434 |
DS2434
7 of 20
register, at address 60h, provides 1/2°C resolution for temperatures between 0°C and 127 1/2°C,
formatted as follows:
64°C
32°C 16°C
8°C
4°C
2°C
1°C
1/2°C
The second register, at address 61h, provides 1°C resolution over the -40°C to +85°C range, formatted as
follows in the binary two’s complement coding.
7-BIT BINARY TEMP READING,
SHOWS 1°C INCREMENTS
SIGN BIT -0 FOR POSITIVE,
1 FOR NEGATIVE
STATUS/CONTROL REGISTER (62h-63h)
The status register is a 2-byte register at addresses 62h and 63h (consisting of SRAM). Address 62h is the
least significant byte of the status register, and is currently the only address with defined status bits; the
other byte at address 63h is reserved for future use. The status register is formatted as follows:
STATUS REGISTER
LSB
X
XXXX
LOCK
NVB
TB
62h
X
XXXXX
XX
63h
where
X =
Don’t Care
TB =
Temperature Busy flag. 1 = temperature conversion in progress; 0 = temperature
conversion complete, valid data in temperature register.
NVB =
nonvolatile memory busy flag. 1 = Copy from scratchpad to NV RAM in progress,
0 = nonvolatile memory is not busy. A copy to NV RAM may take from 2 ms to 10 ms
(taking longer at lower supply voltages).
LOCK =
NV1 Locked flag. 1 indicates that NV1 is locked; 0 indicates that NV1 is unlocked.
MSB
BYTE 2
BYTE 1
LSB
32768
16384
8192
4096
2048
1024
512
256
128
64
32
16
8
4
2
1
83h
82h
PAGE 5
The fifth page of memory holds the battery manufacturer ID number as well as a 2-byte counter for
counting the number of battery charge/discharge cycles.
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| DS2435 | SPECIALTY MEMORY CIRCUIT, PBCY3 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2434+ | 功能描述:電池管理 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 |
| DS2434-C01 | 功能描述:電池管理 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 |
| DS2434-C02 | 功能描述:電池管理 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 |
| DS2434-C03 | 功能描述:電池管理 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 |
| DS2434-C04 | 功能描述:電池管理 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 |
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