參數(shù)資料
型號： MAX6639YAEE+
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 模擬信號調(diào)理
英文描述： 2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO16
封裝： 0.150 INCH, 0.025 INCH PITCH, ROHS COMPLIANT, MO-137AB, QSOP-16
文件頁數(shù)： 1/24頁
文件大?。?/td> 393K
代理商： MAX6639YAEE+
General Description
The MAX6639 monitors its own temperature and one
external diode-connected transistor or the temperatures
of two external diode-connected transistors, typically
available in CPUs, FPGAs, or GPUs. The 2-wire serial
interface accepts standard System Management Bus
(SMBusTM) write byte, read byte, send byte, and
receive byte commands to read the temperature data
and program the alarm thresholds. Temperature data
can be read at any time over the SMBus, and three pro-
grammable alarm outputs can be used to generate
interrupts, throttle signals, or overtemperature shut-
down signals.
The temperature data is also used by the internal dual-
PWM fan-speed controller to adjust the speed of up to
two cooling fans, thereby minimizing noise when the
system is running cool, but providing maximum cooling
when power dissipation increases. Speed control is
accomplished by tachometer feedback from the fan, so
that the speed of the fan is controlled, not just the PWM
duty cycle. Accuracy of speed measurement is
±4%.
The MAX6639 is available in 16-pin QSOP and 16-pin
TQFN 5mm x 5mm packages. It operates from 3.0V to
5.5V and consumes just 500A of supply current.
Applications
Desktop Computers
Notebook Computers
Projectors
Servers
Networking Equipment
Features
2 Thermal-Diode Inputs
Up to 25kHz PWM Output Frequency
3 Selectable SMBus Addresses
Local Temperature Sensor
1°C Remote Temperature Accuracy
Two PWM Outputs for Fan Drive (Open Drain; Can
be Pulled Up to +13.5V)
Programmable Fan-Control Characteristics
Automatic Fan Spin-Up Ensures Fan Start
Controlled Rate-of-Change Ensures Unobtrusive
Fan-Speed Adjustments
±3% Fan-Speed Measurement Accuracy
Temperature Monitoring Begins at POR for Fail-
Safe System Protection
OT and THERM Outputs for Throttling or
Shutdown
Measures Temperatures Up to +150°C
MAX6639
2-Channel Temperature Monitor with Dual,
Automatic, PWM Fan-Speed Controller
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-3682; Rev 0; 5/05
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
OPERATING
RANGE
MEASUREMENT
RANGE
PIN-
PACKAGE
MAX6639AEE
-40
°C to
+125
°C
0°C to +150°C
16 QSOP
MAX6639ATE
-40
°C to
+125
°C
0°C to +150°C
16 TQFN
(5mm x
5mm)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
PWM1
SCL
SDA
ADD
DXP2
DXN
GND
DXP1
TOP VIEW
MAX6639
QSOP
TACH1
PWM2
TACH2
VCC
FANFAIL
THERM
OT
ALERT
MAX6639
*CONNECT EXPOSED
PADDLE TO GND
VCC
GND
DXP1
OT
PWM1
SDA
SCL
TACH1
PWM2
TACH2
FANFAIL
THERM
ADD
DXP2
DXN
ALERT
15
16
14
13
6
5
7
8
12
4
12
11
9
3
10
THIN QFN
5 mm x 5 mm
Pin Configurations
SMBus is a trademark of Intel Corp.
Typical Application Circuit appears at end of data sheet.
相關(guān)PDF資料
PDF描述
MAX6639YAEE+T 2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller
MAX6639AEE+ 2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller
MAX6639FAEE+ 2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller
MAX6640AEE+T 2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller
MAX6640YAEE+ 2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6639YAEE+ 功能描述:板上安裝溫度傳感器 2Ch Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6639YAEE+T 功能描述:板上安裝溫度傳感器 2Ch Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX663C/D 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX663CJA 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX663CPA 功能描述:低壓差穩(wěn)壓器 - LDO 5V Prog uPower Voltage Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*