Datasheet Details
| Part number | TC643 |
|---|---|
| Manufacturer | Microchip |
| File Size | 60.51 KB |
| Description | INTEGRATED FAN / MOTOR DRIVER |
| Datasheet |
 TC643 Datasheet
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Description
The TC643 is a switchmode brushless DC fan/motor speed driver with diagnostic circuits.
External components are kept to a minimum by integrating the power transistor on chip.
Any logic-level signal can be used to drive the on-chip Power 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 Logic-Level Output Provides RPM Data s Optimized For Use as a Microcontroller Peripheral s Eliminates Discrete Components and Analog Circuit Design Effort s Internal Thermal Shutdown For Fail-safe Oper.