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Product Detailed Parameters
- Description：IC MOTOR DRIVER 2.7V-5.5V 8DIP
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Low Side
- Interface：PWM
- Technology：Bipolar
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：-
- Voltage - Supply：2.7V ~ 5.5V
- Voltage - Load：2.7V ~ 5.5V
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-PDIP
- Grade：-
- Qualification：-
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Overview
The TC643VPA is a fan motor controller and driver manufactured by Microchip Technology, designed for bipolar motor control using precision PWM. It operates within a supply voltage range of 2.7 V to 5.5 V and features an output current capability of 5 mA. The device consumes a working supply current of 500 uA. It supports through-hole installation in an 8-pin PDIP package. The operational temperature range extends from 0°C to +85°C. This component belongs to the TC643 series under PMIC - Power Management ICs.
Feature Summary
- Enables precise control of bipolar motors via PWM driving signals
- Integrates shutdown and fault detection capabilities for system protection
- Provides low power consumption suitable for battery-operated applications
Applications
- Fan Motor Driver systems
- Bipolar motor control circuits
- Precision motion control modules
Procurement Notes
Verify the specific suffix 'VPA' corresponds to the commercial temperature grade (0°C to +85°C) and PDIP-8 packaging as documented. Confirm RoHS compliance status through official Microchip documentation prior to integration. Ensure design compatibility with the specified 2.7 V to 5.5 V supply range and 5 mA output current limits for the target application environment.
Selection Notes
Select this component when bipolar motor control with integrated fault detection is required. It is suitable for applications needing low quiescent current and operation across standard commercial temperature ranges. Consider the PDIP-8 package for through-hole assembly requirements. Validate that the 5 mA output current meets the load drive specifications of the intended motor or fan unit.
Part Context
The TC643VPA is part of the TC643 series of fan controllers and drivers from Microchip Technology. It serves as a specialized solution for managing bipolar motors in compact electronic designs. The series focuses on providing efficient motor control with built-in diagnostic features, distinguishing it from basic gate drivers by including logic for shutdown and fault detection mechanisms.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material.
