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Product Detailed Parameters
- Description：IC MOTOR DRIVER 3V-5.5V 8MSOP
- Series：FanSense™
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- 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 TC646VUA713 is a Microchip Technology PWM fan speed controller designed for brushless DC fans. It operates within a supply voltage range of 3 V to 5.5 V and draws a typical operating supply current of 500 uA. The device features FanSense™ fault detection circuits to protect against fan failure and supports system shutdown modes. It utilizes pulse width modulation for temperature-proportional speed control, enabling acoustic optimization and extended fan life. The component is housed in an 8-pin MSOP package suitable for surface mount applications.
Feature Summary
- Integrates FanSense technology for automatic fault detection and system protection against fan failures
- Provides temperature-proportional fan speed control via PWM to optimize acoustics and extend operational lifespan
- Supports low-cost NTC or PTC thermistors for precise thermal management without complex circuitry
Applications
- Temperature-controlled cooling systems for electronic equipment
- Acoustic-optimized fan speed regulation in consumer electronics
- System shutdown mechanisms for energy-efficient green designs
Procurement Notes
Verify the specific suffix '713' confirms the tape and reel packaging format required for automated assembly processes. Confirm that the MSOP-8 package dimensions align with the target PCB footprint design. Ensure compatibility with the intended thermistor type for accurate temperature sensing integration.
Selection Notes
Select this component when a compact solution for single-fan PWM control is required. It is suitable for designs needing integrated fault detection and shutdown capabilities. Consider the 8-pin MSOP package for space-constrained layouts requiring surface mount technology.
Part Context
This part belongs to the TC646 series of switch-mode fan speed controllers from Microchip Technology. The series focuses on efficient thermal management for brushless DC fans using simple external sensor interfaces. Variants within the family differ primarily by package type and shipping configuration.
Replacement Considerations
The TC646BEUA713 serves as a functional substitute within the same series, offering identical electrical characteristics and control logic. Verify package compatibility if transitioning between different MSOP variants.
