General Fan Control ICs
The CTF23XX is a system level thermal management solution chip: 1-channel local temperature, up to 8-channel remote temperature or voltage monitor and up to 4-channel fan speed controller and monitor. Temperature, voltage and fan speed data can be read out directly via SMBus/I2C bus interface. It integrates close-loop fan control strategy inside.
Product List
Part Number
VCC (V)
Interface
Temperature
Analog Voltage
Description
Package
CTF2301
1.8 to 5.5
I2C/SMBus
1-CH Local 2-CH Remote Resolution:0.0625℃ Accuracy:±1.0℃ Range: -40 to 125℃
2-CH Voltage monitor, Range: 0 to VCC Resolution: 6.0mV
1-CH Fan Speed Monitor & Driver
MSOP-10 DFN-3x3-10
CTF2304
1.8 to 5.5
I2C/SMBus
1-CH Local 8-CH Remote Resolution:0.0625℃ Accuracy:±1.0℃ Range: -40 to 125℃
8-CH Voltage monitor, Range: 0 to VCC Resolution: 6.0mV
4-CH Fan Speed Monitor & Driver
TSSOP-24 QFN-3x3-24
CT80
2.7 to 5.5
I2C/SMBus
1-CH, Local onlyAccuracy: 1.0℃Resolution: 0.0625℃
7-CHRange: 0-2.56V / 0–VCCResolution: 2.56mV / 6.0mV
3-CH Input 2-CH Output
TSSOP-24