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ADM1034 - Thermal Monitor and Fan Speed (RPM) Controller

Datasheet Summary

Description

DRIVE1 Pin Drives Fan 1.

Open-drain output.

Requires a pullup resistor.

Features

  • 1 Local and 2 Remote Temperature Channels.
  • 1C Accuracy on Local and Remote Channels.
  • Automatic Remote Temperature Channels, Up to 1 kW.
  • Fast (Up to 64 Measurements per Second).
  • SMBus 2.0, 1.1, and 1.0 Compliant.
  • SMBus Address Input/.

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Datasheet preview – ADM1034

Datasheet Details

Part number ADM1034
Manufacturer ON Semiconductor
File Size 419.67 KB
Description Thermal Monitor and Fan Speed (RPM) Controller
Datasheet download datasheet ADM1034 Datasheet
Additional preview pages of the ADM1034 datasheet.

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Full PDF Text Transcription

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ADM1034 Thermal Monitor and Fan Speed (RPM) Controller The ADM1034 is a dual-channel remote- and local-temperature sensor and fan controller. The remote channels monitor the temperature of two remote thermal diodes, which may be discrete 2N3904/6s or may be located on a microprocessor die. The device also monitors its own ambient temperature. The ADM1034 can monitor and control the speed of two cooling fans. The user can program a target fan speed, or else use the look-up table to input a temperature-to-fan speed profile. The look-up table can be configured to run the fans at discrete speeds (discrete mode) or to ramp the fan speed with temperature (linear mode). The ADM1034 communicates over a 2-wire SMBus 2.0 interface.
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