TC643 INTEGRATED FAN / MOTOR DRIVER

Microchip

Description

TC643 INTEGRATED FAN / MOTOR DRIVER .
The TC643 is a switchmode brushless DC fan/motor speed driver with diagnostic circuits.

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TC643 Datasheet Preview — Preview of TC643 PDF

Datasheet Specifications

Part number: TC643
Manufacturer: Microchip ↗
File Size: 60.51 KB
Datasheet: TC643-Microchip.pdf
Description: INTEGRATED FAN / MOTOR DRIVER

Features

* s Integrates Current Limited Power Driver and Diagnostic/Monitoring Circuits in a Single IC s Works with Standard DC Brushless Fans/Motors s Supports Efficient PWM Drive with Logic-Level Input s Supply Range 2.7V to 5.5V s Motor Voltage Independent of TC643 Supply Voltage; Supports 3V-15V Fans! s L

Applications

* s General Purpose Fan or Motor Speed Control s Power Supplies s Portable and Desktop Computers s Telecom Equipment, Servers s UPS’s, Power Amps, etc. FUNCTIONAL BLOCK DIAGRAM RPM CEXT 0.002µF DRV ONESHOT dV/dt DRIVER VFAN +5V VCC FAN FAN
* + ILMT I-LIMIT TC643 VREF GNDFAN GND GE

TC643 Distributors

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TC643 INTEGRATED FAN MOTOR DRIVER Microchip

Microchip TC643-like datasheet