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參數(shù)資料
| 型號(hào)： | MAX6689UP9A+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 7-Channel Precision Temperature Monitor |
| 中文描述： | 7-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20 |
| 封裝： | 4.40 MM, LEAD FREE, MO-153AC, TSSOP-20 |
| 文件頁(yè)數(shù)： | 17/19頁(yè) |
| 文件大小： | 240K |
| 代理商： | MAX6689UP9A+T |
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rupted, and the temperature registers are not updated.
The previous data is not changed and remains available.
SMBus Digital Interface
From a software perspective, the MAX6689 appears as
a series of 8-bit registers that contain temperature mea-
surement data, alarm threshold values, and control bits.
A standard SMBus-compatible, 2-wire serial interface is
used to read temperature data and write control bits
and alarm threshold data. The same SMBus slave
address also provides access to all functions.
The MAX6689 employs four standard SMBus protocols:
write byte, read byte, send byte, and receive byte
(Figure 2). The shorter receive byte protocol allows
quicker transfers, provided that the correct data regis-
ter was previously selected by a read byte instruction.
Use caution with the shorter protocols in multimaster
systems, since a second master could overwrite the
command byte without informing the first master. Figure
3 is the SMBus write-timing diagram and Figure 4 is the
SMBus read-timing diagram.
The remote diode 1 measurement channel provides 11
bits of data (1 LSB = 0.125°C). All other temperature-
measurement channels provide 8 bits of temperature
data (1 LSB = 1°C). The 8 most significant bits (MSBs)
can be read from the local temperature and remote
temperature registers. The remaining 3 bits for remote
diode 1 can be read from the extended temperature
MAX6689
7-Channel Precision Temperature Monitor
_______________________________________________________________________________________
7
Figure 1. Internal Block Diagram
DXP1
DXN1
DXP2
DXN2
DXP3
DXN3
DXP4
DXN4
DXP5
DXN5
DXP6
DXN6
INPUT
BUFFER
10/100
μA
VCC
REF
COUNT
COUNTER
COMMAND BYTE
REMOTE TEMPERATURES
LOCAL TEMPERATURES
REGISTER BANK
ALERT THRESHOLD
OVERT THRESHOLD
ALERT RESPONSE ADDRESS
ALARM
ALU
ADC
SMBus
INTERFACE
MAX6689
SCL
SDA
OVERT
AVERT
STBY
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| MAX668EUB+ | 1.8V to 28V Input, PWM Step-Up Controllers in µMAX |
| MAX668EUB+T | 1.8V to 28V Input, PWM Step-Up Controllers in µMAX |
| MAX669EUB+ | 1.8V to 28V Input, PWM Step-Up Controllers in µMAX |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6689UP9E | 制造商:Maxim Integrated Products 功能描述:7-CHANNEL PRECISION TEMPERATURE MONITOR - Rail/Tube |
| MAX6689UP9E-T | 制造商:Maxim Integrated Products 功能描述:7-CHANNEL PRECISION TEMPERATURE MONITOR - Tape and Reel |
| MAX668EUB | 功能描述:電流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX668EUB | 制造商:Maxim Integrated Products 功能描述:PWM STEP UP CONTROLLER SMD SOIC10 |
| MAX668EUB+ | 功能描述:電流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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