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參數(shù)資料
| 型號(hào)： | DS2434 |
| 英文描述： | Battery Identification Chip |
| 中文描述： | 電池ID/監(jiān)視器芯片 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大小： | 823K |
| 代理商： | DS2434 |
DS2434
11 of 20
MEMORY FUNCTION EXAMPLE
Table 2
Example: Bus Master writes 24 bytes of data to DS2434 scratchpad, then copies to it to NV1.
MASTER MODE
DATA (LSB FIRST)
TX
Reset
RX
Presence
TX
17h
TX
00h
TX
<24 bytes>
TX
Reset
RX
Presence
TX
11h
TX
00h
RX
<24 data bytes>
TX
Reset
RX
Presence
TX
22h
RX
<busy indicator>
TX
Reset
RX
Presence
COMMENTS
Reset pulse (480-960
μ
s)
Presence pulse
Issue "write scratchpad" command
Start address
Write 24 bytes of data to scratchpad
Reset pulse
Presence pulse
Issue "read scratchpad" command
Start address
Read scratchpad data and verify
Reset pulse
Presence pulse
Issue "copy SP1 to NV1" command
Wait until NVB in status register=0 (10 ms typical)
Reset pulse
Presence pulse, done
MEMORY FUNCTION EXAMPLE
Table 3
Example: Bus Master initiates temperature conversion, then reads temperature.
MASTER MODE
DATA (LSB FIRST)
TX
Reset
RX
Presence
TX
D2h
TX
Reset
RX
Presence
TX
B2h
TX
62h
RX
<1 data byte>
TX
Reset
RX
Presence
TX
B2h
TX
61h
RX
<1 data byte>
TX
Reset
RX
Presence
COMMENTS
Reset pulse (480-960
μ
s)
Presence pulse
Issue "convert T" command
Reset pulse
Presence pulse
Issue "read registers" command; begin loop
Status register address
Read status register and loop until TB=0
Reset pulse
Presence pulse
Issue "read registers" command
Temperature register address
Read temperature register
Reset pulse
Presence pulse, done
1-WIRE BUS SYSTEM
The DS2434 1-Wire bus is a system which has a single bus master and one slave. The DS2434 behaves as
a slave. The DS2434 is not able to be multidropped, unlike other 1-Wire devices from Dallas
Semiconductor.
The discussion of this bus system is broken down into three topics: hardware configuration, transaction
sequence, and 1-Wire signaling (signal types and timing).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2435 | Battery Identification Chip with Time/Temperature Histogram |
| DS2436 | Battery ID/Monitor Chip |
| DS2436Z | Battery ID/Monitor Chip |
| DS2437S | IC-SM-BATT MONITOR |
| DS2437 | Smart Battery Monitor |
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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