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MAX6639 Datasheet PDF

Part Series:
MAX6639 Series
Category:
Temperature Sensor ICs
Description:
MAXIM INTEGRATED PRODUCTS MAX6639FAEE+ Temperature Sensor IC, 2CH, Open Drain, ± 1℃, 0 °C, 150℃, QSOP, 16Pins
Updated Time: 2023/09/27 08:51:27 (UTC + 8)

MAX6639 Temperature Sensor ICs Datasheet PDF

MAX6639 Datasheet PDF Temperature Sensor ICs

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Board Mount Temperature Sensors

MAX6639FAEE+ - Maxim Integrated Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
16 Pin
Supply Voltage (DC)
3.00V (min)
Case/Package
QSOP-16
Number of Positions
16 Position
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MAX6639FAEE+ - Maxim Integrated Function Overview

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
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