UC3770BN - Texas Instruments

Manufacturer Part Number

UC3770BN

Manufacturer

Texas Instruments

Introduction

The UC3770BN is a power management integrated circuit designed for driving both windings of a bipolar stepper motor or bidirectionally control two DC motors.

Product Features and Performance

Full and Half-Bridge Driver

Dual H-bridge configuration allows control of two DC motors or one stepper motor

Integrated bipolar technology for efficient power handling

Capable of delivering output currents up to 2A

Supports a supply voltage range of 4.75V to 5.3V

Product Advantages

High current drive capability for medium-sized motors

Robust thermal performance with over-temperature protection

Ease of interfacing with logic signals due to compatible logic interface

Designed for inductive loads, which is common in motor control applications

Key Technical Parameters

Output Configuration: Half Bridge (2)

Applications: General Purpose, Stepper Motors

Interface: Logic

Load Type: Inductive

Current - Output / Channel: 2A

Voltage - Supply: 4.75V ~ 5.3V

Voltage - Load: 10V ~ 45V

Operating Temperature: 0°C ~ 150°C (TJ)

Quality and Safety Features

Over Temperature Fault Protection

Reliable through-hole mounting package for secure PCB attachment

Compatibility

Logic level compatible with standard digital ICs

Suitable for a wide range of inductive loads, including stepper motors and DC motors

Application Areas

Stepper Motor Controllers

DC Motor Control Systems

Automation and Robotics

CNC Machines

Office Automation

Product Lifecycle

Product Status: Active

No immediate discontinuation, with ongoing production and support

Several Key Reasons to Choose This Product

Capable of driving a wide range of motor sizes with up to 2A per channel

High thermal robustness, minimizing the risk of overheating

Ease of use for engineers and hobbyists due to logic-level control

Compatible with various power supply levels, enhancing versatility

Reliable performance in a wide operating temperature range

Through Hole package offers stable mounting and compatibility with standard PCB design techniques