G7931

Global Mixed-mode Technology Inc. G7931/G7932 Two Remote and One Local Temperature Sensors and 3/4 Fan Controllers with SMBus Interface Features „ Measures Two Remote and One Local Temperatures „ Adjustable Offset for Each Sensor via SMBus „ Accuracy: Remote ±1°C (+20°C to +80°C) ±3°C (-10°C to +120°C) „ +4.5V to +5.5V Supply Range „ Alert Signal for Diode Fault, Fan Fail, and Fan Out of Control „ Supports SMBus Alert Response „ Fan Drivers Using Linear Control Algorithm „ Closed Loop Speed Control and programmable 8 Bits Open Loop Voltage Control for Fan „ Wide speed control range for Fan, Accuracy within 2%, when FANx_SET_CNT > 50 „ Internal Current-limit and Over-temperature Protection for the Fan Controllers „ Build-In Inverters for Driving Crystal „ Optional Internal Clock Accuracy ±3% from 20°C to 80°C at 5V VCC „ 20-Pin TSSOP Package Applications „ Projector, LCD TV, PDP TV „ Desktop and Notebook „ Central Office Computers „ Telecom Equipments „ I...