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MC33039D

MC33039D

ON Semiconductor
A quad comparator in SO-14 from another major vendor, useful as a pin-compatible alternative with different sourcing or qualification requirements.
Active8,366 in stock

Overview

The MC33039D is a Bipolar monolithic closed-loop brushless DC (BLDC) motor adapter IC designed to complement the functionality of brushless DC motor controller ICs. It provides digital detection of each input transition, offering a precise means to control BLDC motors. The device includes an internal shunt regulator and features TTL compatible inputs with hysteresis.

Why Choose This Part

Engineers benefit from the MC33039D's dedicated design for closed-loop BLDC motor control, simplifying integration with existing motor controller ICs. Its digital detection of input transitions and TTL compatible inputs with hysteresis ensure robust and reliable operation. The integrated shunt regulator further reduces external component count.

Applications

Closed-Loop Brushless DC Motor Control
Used as an adapter in systems requiring precise closed-loop speed control of brushless DC motors, working in conjunction with a main motor controller.
Sensor Phasing Conversion
Its inverter output can convert 60 degrees/300 degrees and 120 degrees/240 degrees sensor phasing, making it adaptable to various motor feedback systems.
Industrial Automation
Suitable for industrial applications where reliable and accurate brushless DC motor control is critical, such as in robotics or automated machinery.
Robotics Drives
Enables the precise operation of BLDC motors in robotic platforms, contributing to accurate movement and positioning.

Key Specifications

Function Controller - Speed
Interface Parallel
Technology Bipolar
Applications General Purpose
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Voltage - Supply 5.5V ~ 9V
Motor Type - AC, DC Brushless DC (BLDC)
Output Configuration Pre-Driver - Half Bridge (3)
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 8-SOIC

Getting Started

To get started with the MC33039D, integrate it into a BLDC motor control circuit alongside a suitable motor controller IC. Refer to the datasheet for typical application schematics and connection guidelines. Breadboarding can be used for initial prototyping due to its SOIC-8 package.

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