G7931
G7931 is Two Remote and One Local Temperature Sensors and 3/4 Fan Controllers manufactured by Global Mixed-mode Technology.
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 puters
- Tele Equipments
-...
