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MAX6699：5-Channel Precision Temperature Monitor

The MAX6699 precision multichannel temperature sensor monitors its own temperature and the temperatures of up to four external diode-connected transistors. All temperature channels have programmable alert thresholds. Channels 1 and 4 also have programmable overtemperature thresholds. When the measured temperature of a channel exceeds the respective threshold, a status bit is set in one of the status registers. Two open-drain outputs, active-low OVERT and active-low ALERT, assert corresponding to these bits in the status register. The 2-wire serial interface supports the standard system management bus (SMBus™) protocols: write byte, read byte, send byte, and receive byte for reading the temperature data and programming the alarm thresholds. The MAX6699 is specified for an operating temperature range of -40°C to +125°C and is available in 16-pin QSOP and 16-pin TSSOP packages.

Key Features Four Thermal-Diode Inputs Local Temperature Sensor 1°C Remote Temperature Accuracy (+60°C to +100°C) Temperature Monitoring Begins at POR for Fail-Safe System Protection Active-Low ALERT and Active-Low OVERT Outputs for Interrupts, Throttling, and Shutdown Small 16-Pin QSOP and 16-Pin TSSOP Packages 2-Wire SMBus Interface

MAX6699: Typical Application Circuit Applications/Uses Desktop Computers Notebook Computers Servers Workstations

DataSheet

Parametrics

Quality and Environmental Data

• MAX6699.pdf

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• MAX6695：Dual Remote/Local Temperature Sensors with SMBus Serial Interface

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