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Product Detailed Parameters
- Description：IC FAN DRIVER DC/PWM 8SOP
- Series：-
- Mfr：Nuvoton Technology Corporation
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：-
- Output Configuration：-
- Interface：-
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：-
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The NCT3947S-A TR is a fan driver integrated circuit manufactured by Nuvoton Technology Corporation, designed for DC and PWM motor control applications. It features an auto-detection capability for fan speed monitoring. The device is housed in an 8-SOP surface-mount package. This component serves as a dedicated controller for cooling fans in embedded systems.
Feature Summary
- Supports both DC and PWM fan control modes
- Integrates automatic fan speed detection functionality
- Designed for embedded motor control applications
Applications
- DC fan control in embedded systems
- PWM fan control in robotics
- Cooling system management in industrial equipment
Procurement Notes
Verify the specific suffix 'TR' indicates tape and reel packaging when sourcing. Confirm the manufacturer is Nuvoton Technology Corporation. Ensure the part number matches exactly to avoid confusion with similar models like NCT3943S. Check datasheet revisions for any pinout or electrical characteristic updates before integration.
Selection Notes
Select this component for applications requiring simple DC or PWM fan regulation with built-in speed feedback. Consider the 8-SOP package size for space-constrained designs. Evaluate thermal requirements and operating voltage ranges against system specifications. Compare with other Nuvoton fan drivers if additional features like multi-fan support are needed.
Part Context
This part belongs to Nuvoton's line of motor driver ICs. It is distinct from microcontrollers like the NUC240 series, focusing solely on fan actuation and monitoring rather than general-purpose processing. It complements Nuvoton's broader portfolio of embedded control solutions.
Replacement Considerations
The NCT3943S TR is a related model with similar auto-detection capabilities. Verify pin compatibility and electrical specifications before substitution. Other generic fan driver ICs may require significant circuit redesign due to differing control interfaces.
