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ASC7621 - HARDWARE MONITOR

General Description

The aSC7621 has a two wire digital interface compatible with SMBus 2.0.

Using a 10-bit ΣΔ- ADC, the aSC7621 measures the temperature of two remote diode connected transistors as well as its own die.

Support for Platform Environmental Control Interface (PECI) is included.

Key Features

  • Supports PECI interface and monitors internal and remote thermal diodes 2-wire, SMBus 2.0 compliant, serial interface 10-bit ΣΔ-ADC Monitors VCCP, 2.5V, 3.3V, 5.0V, and 12V motherboard/processor supplies Programmable autonomous fan control based on temperature readings Noise filtering of temperature reading for fan speed control 0.25°C digital temperature sensor resolution 3 PW.

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Datasheet Details

Part number ASC7621
Manufacturer Andigilog
File Size 600.36 KB
Description HARDWARE MONITOR
Datasheet download datasheet ASC7621 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com aSC7621 HARDWARE MONITOR WITH INTEGRATED FAN CONTROL Preliminary Specification Product Description The aSC7621 has a two wire digital interface compatible with SMBus 2.0. Using a 10-bit ΣΔ- ADC, the aSC7621 measures the temperature of two remote diode connected transistors as well as its own die. Support for Platform Environmental Control Interface (PECI) is included. Using temperature information from these four zones, an automatic fan speed control algorithm is employed to minimize acoustic impact while achieving recommended CPU temperature under varying operational loads. To set fan speed, the aSC7621 has three independent pulse width modulation (PWM) outputs that are controlled by one, or a combination of three, temperature zones.