onsemi

MC34151D  

Gate Drivers ICs

MC34151D Description

The MC34151D from onsemi is a dual-channel, low-side gate driver IC designed for high-performance switching applications. Housed in an 8-SOIC package, this surface-mount device operates over a 6.5V to 18V supply range, making it suitable for a variety of power electronics systems. With peak output current capability of 1.5A (source/sink), it efficiently drives MOSFETs and IGBTs, ensuring fast switching with rise/fall times of 31ns and 32ns, respectively. The inverting input logic (VIL = 0.8V, VIH = 2.6V) provides robust noise immunity, while its independent channels allow flexible control in multi-switch configurations.

MC34151D Features

• Dual Low-Side Drivers: Two independent channels for driving MOSFETs/IGBTs with 1.5A peak current.
• Wide Supply Range (6.5V–18V): Compatible with various power rails, including 12V systems.
• Fast Switching (31ns/32ns Rise/Fall): Minimizes switching losses in high-frequency applications.
• Inverting Input Logic: Enhances noise immunity with defined threshold levels (0.8V/2.6V).
• Robust Thermal Performance: Operates at 0°C to 150°C (TJ), suitable for industrial environments.
• Surface-Mount 8-SOIC Package: Compact and PCB-friendly for space-constrained designs.

MC34151D Applications

• Motor Drives: Ideal for driving low-side switches in brushed/brushless DC motor controllers.
• Switch-Mode Power Supplies (SMPS): Efficiently drives power switches in buck/boost converters.
• Solenoid/Relay Drivers: Provides high-current pulses for inductive loads.
• Lighting Systems: Used in LED drivers and HID ballasts for fast switching.
• Industrial Automation: Suitable for PLCs and robotic control due to its rugged design.

Conclusion of MC34151D

The MC34151D excels in high-speed, high-current gate driving with its dual-channel architecture, fast switching, and wide voltage range. While obsolete, its performance remains relevant for legacy designs requiring reliable low-side drivers. Its noise-immune logic and thermal resilience make it a preferred choice for motor control, power supplies, and industrial systems. Engineers should evaluate alternative modern equivalents for new designs but can leverage this IC’s proven robustness in existing applications.

MC34151D Documents

Download datasheets and manufacturer documentation for MC34151D

Datasheets :

MC33151, 34151      

PCN Obsolescence/ EOL :

Multiple Devices 03/Jan/2008      

HTML Datasheet :

MC33151, 34151      

Environmental Information :

onsemi RoHS       onsemi REACH