器件名称:
TC652
功能描述:
Integrated Temperature Sensor & Brushless DC Fan Controller with FanSense
文件大小:
443.95KB 共14页
简 介:
TC652/TC653 Integrated Temperature Sensor & Brushless DC Fan Controller with FanSense Detect & Over-Temperature Features Integrated Temperature Sensing and Multi-speed Fan Control FanSense 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 ±1°C (Typical) Accuracy from 25°C to +70°C 2.8V – 5.5V Operating Range TC653 includes Auto Fan Shutdown Low Operating Current: 50A (Typical) Package Type MSOP VDD 1 FAULT 2 SHDN 3 GND 4 8 PWM TC652 TC653 7 GND 6 TOVER 5 SENSE General Description The TC652/TC653 are integrated temperature sensors and brushless DC fan speed controllers with FanSense technology. The TC652/TC653 measure their junction temperature and control the speed of the fan based on that temperature, making them especially suited for applications in modern electronic equipment. The FanSense Fan Fault detect circuitry eliminates the need for a more expensive 3-wire fan. Temperature data is converted from the on-chip thermal sensing element and translated into a fractional fan speed from 40% to 100%. A temperature selection guide in the data sheet is used to choose the low and high temperature limits to control the fan. The TC652/TC653 also include a single trip point over temperature alert (TOVER) that eliminates the need for additional temperature sensors. In……
