UC3770AQ

Description：IC HALF BRIDGE DRIVER 2A 28PLCC
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:ad47a88dbfe0 Category: Full Half-Bridge (H Bridge) Drivers Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC HALF BRIDGE DRIVER 2A 28PLCC
Series：-
Mfr：Texas Instruments
Package：Tube
Output Configuration：Half Bridge (2)
Applications：General Purpose, Stepper Motors
Interface：Logic
Load Type：Inductive
Technology：Bipolar
Rds On (Typ)：-
Current - Output / Channel：2A
Current - Peak Output：-
Voltage - Supply：4.75V ~ 5.3V
Voltage - Load：10V ~ 45V
Operating Temperature：0°C ~ 150°C (TJ)
Features：-
Fault Protection：Over Temperature
Mounting Type：Surface Mount
Package / Case：28-LCC (J-Lead)
Supplier Device Package：28-PLCC (11.51x11.51)
Grade：-
Qualification：-

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UC3770AQ

Overview

The UC3770AQ is a high-performance half-bridge driver manufactured by Texas Instruments, designed for general-purpose and bipolar stepper motor applications. It features two independent outputs capable of delivering up to 2A output current per channel. The device operates with a supply voltage range of 4.75V to 5.3V and supports load voltages from 10V to 45V. Packaged in a 28-PLCC (J-Lead) surface-mount configuration measuring 11.51x11.51mm, it includes overtemperature fault protection. The component functions as an integrated circuit within the PMIC category, utilizing logic interfaces for control.

Feature Summary

Integrated dual half-bridge driver architecture optimized for bipolar stepper motor control
Built-in thermal shutdown protection mechanism to prevent damage during overtemperature conditions
Surface-mount packaging design suitable for automated assembly processes

Applications

Bipolar stepper motor drive systems
General-purpose motor control circuits
Industrial automation motion control modules

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm package integrity and lead condition upon receipt. Cross-reference datasheet specifications against application requirements before integration. Ensure handling procedures comply with moisture sensitivity level classifications to maintain reliability standards.

Selection Notes

Evaluate thermal management capabilities given the surface-mount package constraints. Assess compatibility with available logic interface signals for proper operation. Consider the limited supply availability associated with end-of-life products when planning long-term production cycles. Verify that the 28-PLCC footprint matches existing PCB layout designs.

Part Context

This component belongs to the UC3770 family of power management ICs produced by Texas Instruments. It serves as a specialized driver solution within the broader portfolio of motor control and motion controller devices. The specific AQ variant denotes a particular package and temperature grade configuration within this series.