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Product Detailed Parameters
- Description：IC MOTOR DRIVER 3V-5.5V 8MSOP
- Series：FanSense™
- Mfr：Microchip Technology
- Package：Tube
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Controller - Speed
- Output Configuration：Pre-Driver - Low Side
- Interface：Parallel
- Technology：-
- Step Resolution：-
- Applications：Fan Controller
- Current - Output：-
- Voltage - Supply：3V ~ 5.5V
- Voltage - Load：-
- Operating Temperature：0°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
- Grade：-
- Qualification：-
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Overview
The TC647VUA is a switch-mode fan speed controller designed for brushless DC motors, manufactured by Microchip Technology. It operates within a supply voltage range of 3 V to 5.5 V and features a typical operating supply current of 1 mA. The device supports an industrial temperature range from -40°C to +85°C and is housed in an MSOP-8 surface-mount package. It utilizes pulse width modulation for temperature-proportional speed control via a thermistor input.
Feature Summary
- Temperature proportional fan speed control using pulse width modulation
- FanSense technology for detecting stalled, open, or unconnected fans
- Integrated start-up timer ensuring reliable motor initialization
- Shutdown mode support for energy-efficient system operation
Applications
- Brushless DC motor speed control in electronic systems
- Thermal management in computing and communication equipment
- Industrial automation cooling solutions
- Consumer electronics requiring acoustic noise reduction
Procurement Notes
Verify the specific suffix 'VUA' corresponds to the MSOP-8 package and industrial temperature grade (-40°C to +85°C) as defined in the official datasheet. Confirm RoHS compliance status and moisture sensitivity level prior to ordering. Ensure design-in compatibility with the required thermistor interface and fault detection logic.
Selection Notes
Select this component when temperature-proportional PWM control and FanSense fault detection are required for brushless DC fans. The MSOP-8 package suits space-constrained designs. Verify that the 3 V to 5.5 V supply range aligns with the system power architecture and that the industrial temperature rating meets environmental requirements.
Part Context
The TC647VUA belongs to the TC647 series of fan controllers from Microchip Technology. This series focuses on enhancing system reliability through integrated fault detection and efficient thermal management. The VUA variant specifically denotes the MSOP-8 package configuration suitable for surface-mount assembly techniques.
Replacement Considerations
Publicly confirmed substitute part numbers for the TC647VUA are not available in the provided documentation. Consult the manufacturer's official discontinuation notices or cross-reference guides for potential alternatives if this specific variant becomes unavailable.
