TC652/TC653
Integrated Temperature Sensor & Brushless DC Fan
Controller with FanSenseв„ў Detect & Over-Temperature
Features Package Type Integrated Temperature Sensing and Multi-speed
Fan Control FanSenseв„ў Fan Fault Detect Circuitry Built-in Over-Temperature Alert (TOVER) Temperature Proportional Fan Speed Control for
Acoustic Noise Reduction and Longer Fan Life Pulse Width Modulation Output Drive for Cost
and Power Savings Solid-State Temperature Sensing В±1В°C (Typical) Accuracy from 25В°C to +70В°C 2.8V – 5.5V Operating Range TC653 includes Auto Fan Shutdown Low Operating Current: 50пЃA (Typical) Applications Thermal Protection For Personal Computers
Digital Set-Top Boxes
Notebook Computers
Data Communications
Power Supplies
Projectors Related Literature Application Note: AN771 Device Selection Table
Part Number Package Temperature Range TC652XXVUA 8-Pin MSOP -40п‚°C to +125п‚°C TC653XXVUA 8-Pin MSOP -40п‚°C to +125п‚°C X Temperature A 25 B 30 C 35 D 40 E 45 F 50 G 55 MSOP
VDD 1
FAULT 2
SHDN 3 8 PWM TC652
TC653 GND 4 7 GND
6 TOVER
5 SENSE General Description
The TC652/TC653 are integrated temperature sensors
and brushless DC fan speed controllers with
FanSenseв„ў technology. The TC652/TC653 measure
their junction temperature and control the speed of the …