G7921 Datasheet PDF

FEATURES

„ Measures Three Remote Temperatures „ Adjustable Offset for Each Sensor via SMBus „ Accuracy: ±1°C (+ 60°C to + 100°C) ±3°C (- 10°C to + 120°C) „ +4.5V to +5.5V Supply Range „ Programmable Hardware Thermal Shutdown for Sensor 2 and Programmable Software Thermal Shutdown for Sensor 1, 3. „ SMBus 2-Wire Serial Interface With Writting Protection Function. „ Alert Signal for Diode Fault, Fan Fail, and Fan Out of Control „ Supports SMBus Alert Response „ Fan Drivers Using Linear Control Algorithm with Built-in MOSFET „ Closed Loop Speed Control and programmable 8 Bits Open Loop Voltage Control for Fan1 „ Wide speed control range for Fan1, Accuracy within 2%, when SET_CNT1 > 50 „ Internal Current- limit and Over-temperature Protection for the Fan „ Reset Function Precision Monitoring of 5V Power-Supply Voltage „ Measure Thermal Diode with Transistor Model „ Support 45nm, 65nm and 90nm CPU thermal diode „ 20-Pin SSOP Package

APPLICATIONS

„ Desktop and Notebook „ Central Office Compu...