Texas Instruments

UC3717AQTR

UC3717AQTR Description

The UC3717AQTR is a Half Bridge Driver IC designed for general-purpose and stepper motor applications, manufactured by Texas Instruments. This obsolete device features a half bridge output configuration with two channels, each capable of delivering up to 1A of output current. It is designed to operate with an inductive load type, making it suitable for driving inductive loads such as motors and solenoids. The device operates within a supply voltage range of 4.75V to 5.25V and can handle load voltages from 10V to 46V. It features a bootstrap circuit for efficient power management and offers over-temperature fault protection to ensure reliable operation.

The UC3717AQTR is packaged in a surface-mount 20PLCC format, suitable for tape and reel distribution. It is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. The device operates within a temperature range of 0°C to 150°C (TJ), making it suitable for a wide range of industrial and consumer applications. It has a moisture sensitivity level (MSL) of 2 (1 year), indicating its robustness against moisture-related issues.

UC3717AQTR Features

• Output Configuration: Half Bridge (2 channels)
• Load Type: Inductive
• Technology: Bipolar
• Voltage - Supply: 4.75V to 5.25V
• Voltage - Load: 10V to 46V
• Current - Output / Channel: 1A
• Interface: Logic
• Fault Protection: Over Temperature
• Package: Tape & Reel (TR)
• Operating Temperature: 0°C to 150°C (TJ)
• Moisture Sensitivity Level (MSL): 2 (1 year)
• REACH Status: REACH Unaffected
• RoHS Status: RoHS3 Compliant

UC3717AQTR Applications

The UC3717AQTR is ideal for general-purpose applications requiring efficient power management and robust fault protection. Its half bridge configuration and inductive load type make it particularly suitable for driving stepper motors, where precise control and high efficiency are critical. The device's wide operating temperature range and over-temperature protection ensure reliable performance in demanding industrial environments.

Conclusion of UC3717AQTR

The UC3717AQTR, while now obsolete, was a versatile and robust half bridge driver IC designed for a variety of applications, particularly stepper motors. Its half bridge configuration, inductive load handling, and over-temperature protection made it a reliable choice for engineers seeking efficient power management and high reliability. Despite its obsolescence, the UC3717AQTR remains a testament to Texas Instruments' commitment to high-quality, performance-driven solutions in the electronics industry.