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MAX6639FAEE+
温度传感器芯片, 2通道, 漏极开路, ± 1°C, 0 °C, 150 °C, QSOP, 16 引脚
产品概述
The MAX6639FAEE+ is a 2-channel temperature monitor with dual, automatic, PWM fan speed controller in 16 pin QSOP package. It monitors its own temperature and one external diode-connected transistor or temperatures of two external diode-connected transistors, typically available in CPUs, FPGAs or GPUs. The 2-wire serial interface accepts standard system management buses (SMBus) write byte, read byte, send byte and receive byte commands to read the temperature data and program alarm thresholds. Temperature data can be read at any time over SMBus and three programmable alarm outputs can be used to generate interrupts, throttle signals or overtemperature shutdown signals. The temperature data is also used by internal dual PWM fan speed controller to adjust the speed of up to two cooling fans, thereby minimizing noise when system is running cool but providing maximum cooling when power dissipation increases. It is used in desktop & notebook computers, projectors & servers.
- Supply voltage range is 3V to 3.6V
- Operating temperature range from -40°C to +125°C, three selectable SMBus addresses
- Two thermal-diode inputs & local temperature sensor
- Up to 25KHz PWM output frequency
- 1°C remote temperature accuracy, 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 (complementary) and THERM (complementary) outputs for throttling or shutdown
应用
传感与仪器, 电源管理
警告
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
产品信息
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| 数量 | 单价（含增值税） | 您所支付金额（含增值税） |
|---|---|---|
| 1+ | CNY25.61 (CNY28.94) | ( ) |
| 10+ | CNY23.02 (CNY26.01) | ( ) |
| 25+ | CNY21.77 (CNY24.60) | ( ) |
| 100+ | CNY17.90 (CNY20.23) | ( ) |
| 250+ | CNY16.06 (CNY18.15) | ( ) |
| 500+ | CNY15.47 (CNY17.48) | ( ) |
| 1000+ | CNY14.18 (CNY16.02) | ( ) |
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