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6,637 pcs
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6637 pcs | On Request | 1 | On Request | On Request | 16+ | On Request | On Request |
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The TC642COA from Microchip Technology is a switch mode fan speed controller designed for brushless DC fans. It utilizes pulse width modulation (PWM) for temperature-proportional speed control, enabling acoustic control and extending fan life. The device operates within a 3.0V to 5.5V supply range, with the fan voltage being independent of the TC642 supply voltage.
Key features include Microchip's FanSense™ technology for fault detection against fan failure and system testing aid. It also supports a shutdown mode for energy-efficient systems and can work with low-cost NTC/PTC thermistors. The TC642COA is housed in a space-saving 8-pin MSOP package.
Applications for this fan speed controller include power supplies, personal computers, file servers, telecom equipment, UPSs, power amplifiers, and general-purpose fan speed control. An integrated start-up timer ensures reliable motor start-up at turn-on, coming out of shutdown mode, or following a transient fault. A logic low applied to VMIN causes fan shutdown.
The supply voltage range is 3.0V to 5.5V.
The TC642COA is available in an 8-pin MSOP package.
Key features include temperature proportional fan speed control, efficient PWM fan drive, FanSense fault detection, and a shutdown mode.
It is suitable for power supplies, personal computers, file servers, telecom equipment, and general-purpose fan speed control.