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G768D Fiches technique (PDF) - Global Mixed-mode Technology Inc

G768D Datasheet PDF - Global Mixed-mode Technology Inc
No de pièce G768D
Télécharger  G768D Télécharger

Taille du fichier   343.06 Kbytes
Page   16 Pages
Fabricant  GMT [Global Mixed-mode Technology Inc]
Site Internet  http://www.gmt.com.tw
Logo GMT - Global Mixed-mode Technology Inc
Description Two Remote Temperature Sensors and One Fan Controller with SMBus Serial Interface and System Reset Circuit

G768D Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
G768D Datasheet PDF - Global Mixed-mode Technology Inc

No de pièce G768D
Télécharger  G768D Click to download

Taille du fichier   343.06 Kbytes
Page   16 Pages
Fabricant  GMT [Global Mixed-mode Technology Inc]
Site Internet  http://www.gmt.com.tw
Logo GMT - Global Mixed-mode Technology Inc
Description Two Remote Temperature Sensors and One Fan Controller with SMBus Serial Interface and System Reset Circuit

G768D Fiches technique (HTML) - Global Mixed-mode Technology Inc

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G768D Détails du produit

General Description
The G768D contains a precise digital thermometer, a fan controller, and a system-reset circuit.
Except for one less fan controller, G768D is backward compatible with G768B. G768D has 2 more functions, fan-failure detection and programmable thermal shutdown signal.
The thermometer reports the temperature of 2 remote sensors. The remote sensors are diode-connected transistors typically a low-cost, easily mounted 2N3904 NPN type that replace conventional thermistors or thermocouples. Remote accuracy is ±5°C for multiple transistor manufacturers, with no calibration needed. The remote channel can also measure the die temperature of other ICs, such as microprocessors, that contain an on-chip, diode-connected transistor.

Features
■ Measures Two Remote Temperatures
■ No Calibration Required
■ SMBus 2-Wire Serial Interface
■ Programmable Under/Over-temperature Alarms
■ Programmable Thermal Shutdown Signal
■ Supports SMBus Alert Response
■ Accuracy:
   ±5°C (-40°C to + 125°C, remote)
   ±3°C (+60°C to + 100°C, remote)
■ +4.5V to +5.5V Supply Range
■ Fan speed control range: 3,000 to 30,000 rpm
■ Fan speed accuracy: ±2%
■ Built-in MOSFET switch
■ Internal current-limit and over-temperature protection for fan control
■ Watchdog for fan control
■ Alarm for fan failure
■ Precision Monitoring of 5V Power-Supply Voltage
■ 340ms Typical Power-On Reset Pulse Width RESET Output
■ Guaranteed RESET Valid to VCC=1V
■ Power Supply Transient Immunity
■ No External Components needed for reset function
■ Small, 16-Pin SSOP Package

Applications
■ Desktop and Notebook
■ Central Office Computers
■ Telecom Equipment
■ Smart Battery Packs
■ Test and Measurement
■ LAN Servers
■ Multi-Chip Modules
■ Industrial Controls




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