STMicroelectronics

TD350IDT

TD350IDT Description

The TD350IDT from STMicroelectronics is a high-side gate driver IC designed for demanding power electronics applications. Packaged in a 14-pin SO surface-mount configuration, it operates within a 12V to 26V supply range, making it suitable for high-voltage systems. This single-channel driver delivers peak output currents of 1.5A (source) and 2.3A (sink), ensuring robust switching performance for MOSFETs and IGBTs. With fast rise/fall times (130ns typical, 75ns max), it minimizes switching losses, improving efficiency in high-frequency circuits. The device is RoHS3 compliant and REACH unaffected, meeting stringent environmental standards.

TD350IDT Features

• High-Side Gate Driver: Optimized for driving high-voltage power switches with a single-channel design.
• Fast Switching: 130ns rise time and 75ns fall time (max) enhance efficiency in high-speed applications.
• Wide Supply Range: Supports 12V–26V, accommodating diverse power architectures.
• High Peak Current: 1.5A source / 2.3A sink ensures reliable switching under heavy loads.
• Robust Logic Interface: VIL = 0.8V, VIH = 4.2V for compatibility with low-voltage control signals.
• Surface-Mount Package: 14-SO tape-and-reel packaging for automated assembly.
• Environmental Compliance: RoHS3 and REACH unaffected, ideal for eco-conscious designs.

TD350IDT Applications

The TD350IDT excels in systems requiring precise high-side switching, such as:

• Motor Drives: Efficiently controls IGBTs in industrial and automotive motor controllers.
• Switch-Mode Power Supplies (SMPS): Enhances performance in high-voltage DC-DC converters.
• Solar Inverters: Ensures reliable gate driving in renewable energy systems.
• Industrial Automation: Ideal for PLCs and high-power actuators requiring fast switching.

Conclusion of TD350IDT

The TD350IDT is a high-performance gate driver offering fast switching, high current capability, and wide voltage tolerance, making it a standout choice for power electronics. While now obsolete, its robust design and compliance with environmental standards ensure it remains viable for legacy systems. Engineers seeking a reliable high-side driver for motor control, SMPS, or inverters will find its specifications well-suited for demanding applications. For new designs, consider STMicroelectronics' updated alternatives within the TD350 series.