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SpeedFan 4.52
Copyright 2000-2020 by Alfredo Milani Comparetti
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LM75 (sensor)
Added by ALMICO on 20 may 2001
The LM75 is a temperature sensor, Delta-Sigma analog-to-digital converter, and digital over-temperature detector with I2C interface. The host can query the LM75 at any time to read temperature. The open-drain Overtemperature Shutdown (O.S.) output becomes active when the temperature exceeds a programmable limit. This pin can operate in either Comparator or Interrupt mode. The host can program both the temperature alarm threshold (TOS) and the temperature at which the alarm condition goes away (THYST). In addition, the host can read back the contents of the LM75's TOS and THYST registers. Three pins (A0, A1, A2) are available for address selection. The sensor powers up in Comparator mode with default thresholds of 80C TOS and 75C THYST. The LM75's 3.0V to 5.5V supply voltage range, low supply current and I2C interface make it ideal for a wide range of applications. These include thermal management and protection applications in personal computers, electronic test equipment, and office electronics.

Feature Vote Votes Your vote Your comment
Power 3 13
Reliability 2 19
Ease of use 7 7
Features 4 10

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These are the latest votes and comments for this object:

Feature Date Vote Voted by Comment
Reliability 29 oct 2012 1 CACCHIP Always reads 162 F on BIOSTAR T5 XE CFX-SLI LGA 1156
15 sep 2012 1 LABELFLASH Always reads 0C on Gigabyte GA-Z68X-UD4-B3
11 feb 2011 1 RODPAD Reads permanently as 2C on Gigabye P55-US3L
11 feb 2011 1 RODPAD
14 jan 2011 1 PMIDDELDORP Gigabyte P55-UD4 shows -128 C ??
30 dec 2009 1 MUNAPHZ read on 50 up on asus P4PE-X
Features 16 sep 2009 6 AXELROSE
Ease of use 16 sep 2009 6 AXELROSE
Reliability 23 sep 2008 1 NKENKO Always shows 126C on ASUS P5ND2-SLI Delixe
29 mar 2007 4 BOOMER Always show 90 or -7 C on BIOSTAR P4m80-M4
30 nov 2006 1 AKIRRA83 Always show 124 on Asus A8n SLI deluxe (bios 1016)
14 nov 2006 1 KIKE_1974 reads 127 and 126 on Asus K8N-SLI Deluxe and Geforce 6600
01 nov 2006 1 JAKE reads 127C x2 on asus k8vsedx
26 oct 2006 1 ADACHAN Reads Geforce7800GT as 126deg at ALL times for both cards on ASUS a8nsli-premium
10 oct 2006 1 HHYATT Always shows 127C on Asus K8N-E


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