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參數資料
| 型號： | MAX6641AUB94+ |
| 廠商： | Maxim Integrated |
| 文件頁數： | 1/17頁 |
| 文件大小： | 468K |
| 描述： | IC TEMP MONITOR SMBUS 10UMAX |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 50 |
| 功能： | 風扇控制，溫度監控器 |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | -40°C ~ 125°C，外部傳感器 |
| 精確度： | ±4°C（最小值） |
| 拓撲： | ADC，PWM 發生器，轉速計計數器 |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-uMAX |
| 包裝： | 管件 |
General Description
The MAX6641 temperature sensor and fan controller
accurately measures the temperature of its own die and
the temperature of a remote pn junction. The device
reports temperature values in digital form using a 2-wire
serial interface. The remote pn junction is typically the
emitter-base junction of a common-collector pnp on a
CPU, FPGA, or ASIC.
The 2-wire serial interface accepts standard System
Management Bus (SMBus)
TM
write byte, read byte,
send byte, and receive byte commands to read the
temperature data and program the alarm thresholds.
The temperature data controls a PWM output signal to
adjust the speed of a cooling fan, thereby minimizing
noise when the system is running cool, but providing
maximum cooling when power dissipation increases.
The device also features an over-temperature alarm
output to generate interrupts, throttle signals, or shut
down signals. The MAX6641 operates from supply volt-
ages in the 3.0V to 5.5V range and typically consumes
500礎 of supply current.
The MAX6641 is available in a slim 10-pin 礛AX
?/DIV>
pack-
age and is available over the -40癈 to +125癈 automo-
tive temperature range.
Applications
Desktop Computers
Notebook Computers
Workstations
Servers
Networking Equipment
Industrial
Features
f Tiny 3mm x 5mm ?/SPAN>MAX Package
f Thermal Diode Input
f Local Temperature Sensor
f Open-Drain PWM Output for Fan Drive
f Programmable Fan Control Characteristics
f Automatic Fan Spin-Up Ensures Fan Start
f ?/SPAN>1?/SPAN>C Remote Temperature Accuracy (+60?/SPAN>C to
+145癈)
f Controlled Rate of Change Ensures Unobtrusive
Fan-Speed Adjustments
f Temperature Monitoring Begins at Power-On for
Fail-Safe System Protection
f OT Output for Throttling or Shutdown
SMBus-Compatible Temperature Monitor with
Automatic PWM Fan-Speed Controller
________________________________________________________________ Maxim Integrated Products 1
Ordering Information
19-3304; Rev 1; 4/06
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxims website at www.maxim-ic.com.
PART
PIN-
PACKAGE
SMBus
ADDRESS
PKG
CODE
MAX6641AUB90 10 礛AX
1001 000x
U10-2
MAX6641AUB92 10 礛AX
1001 001x
U10-2
MAX6641AUB94 10 礛AX
1001 010x
U10-2
MAX6641AUB96 10 礛AX
1001 011x
U10-2
1
2
3
4
5
10
9
8
7
6
PWMOUT
V
CC
SMBDATA
SMBCLK
GND
DXP
DXN
I.C.
MAX6641
?SPAN class="pst MAX6641AUB92-_2290135_10">MAX
TOP VIEW
I.C.
OT
Pin Configuration
礛AX is a registered trademark of Maxim Integrated Products, Inc.
SMBus is a trademark of Intel Corp.
Typical Application Circuit appears at end of data sheet.
Note: All devices are specified over the -40?/SPAN>C to +125?/SPAN>C tem-
perature range.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6641AUB94+ | 功能描述:板上安裝溫度傳感器 SMBus-Compatible Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| MAX6641AUB94+T | 功能描述:板上安裝溫度傳感器 SMBus-Compatible Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| MAX6641AUB94-T | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| MAX6641AUB96 | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| MAX6641AUB96+ | 功能描述:板上安裝溫度傳感器 SMBus-Compatible Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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