Infineon Technologies 2EDN7434RXTMA1

Overview

2EDN7434RXTMA1 from Infineon Technologies is a dual-channel, non-inverting, low-side gate driver IC delivering 4 A peak source/sink current per channel, 19 ns typical propagation delay, and ±6 ns propagation delay matching. It features active output voltage clamping, 4 V UVLO threshold, and operates from 4.5 V to 20 V supply-designed for synchronous rectification in high-frequency DC-DC converters.

For engineers reviewing the 2EDN7434RXTMA1 datasheet, 2EDN7434RXTMA1 pinout, 2EDN7434RXTMA1 application, or 2EDN7434RXTMA1 equivalent, key selection criteria include channel independence, tight timing accuracy under varying load conditions, robustness against -12 V input transients, and compatibility with fast-switching GaN and SiC MOSFETs in compact industrial power supplies.

Technical Context

This IC implements two independent low-side driver channels with separate enable (ENA/ENB) and input (INA/INB) pins, supporting direct logic control without external inverters. Each channel includes integrated active clamping to limit negative output swing during fast turn-off, preventing parasitic shoot-through in half-bridge configurations.

The device uses a robust CMOS-based output stage with matched internal propagation paths, achieving ≤6 ns inter-channel delay skew and 500 ns maximum shut-down time. Its 4 V UVLO ensures reliable disablement during brown-out events while maintaining operation down to 4.5 V nominal VDD.

Key Specifications

Pinout & Package

2EDN7434RXTMA1 is housed in the PG-TSSOP-8 package (8-pin thin shrink small outline package) with exposed thermal pad connected to GND. This leaded package provides enhanced thermal performance and mechanical reliability for reflow-soldered industrial PCBs.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel low-side gate driver applications.

Compared with 2EDN7534RXTMA1, this part trades 1 A peak current for lower cost and identical footprint, while versus UCC27524ADRV it adds essential active clamping and independent enables-making it superior for noise-immune, high-reliability industrial converter designs.

Availability

2EDN7434RXTMA1 is available at Aetrix Electronics and suitable for high-frequency DC-DC converters, synchronous rectification stages, and industrial motor drive half-bridges requiring stable component supply, JEDEC-qualified industrial reliability, and consistent lead-time visibility.

Supply support for 2EDN7434RXTMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with leadership in high-performance gate drivers and silicon carbide solutions.

The EiceDRIVER™ 2EDN family targets high-efficiency, high-density power conversion systems-designed specifically for fast-switching applications demanding precision timing, robust fault handling, and minimal external component count.

FAQ

What is the recommended PCB layout practice for thermal management of 2EDN7434RXTMA1?

The PG-TSSOP-8 package features an exposed thermal pad that must be soldered to a dedicated GND copper pour with ≥4 thermal vias (0.3 mm diameter) connecting to inner-layer GND planes. Maintain ≥0.5 mm clearance between VDD and GND traces, and place 100 nF ceramic decoupling capacitor within 3 mm of pin 6 (VDD) to suppress high-frequency supply noise.

Can 2EDN7434RXTMA1 drive both channels simultaneously without timing degradation?

Yes-electrical characterization confirms ≤6 ns inter-channel propagation delay skew across temperature (-40°C to +125°C) and supply voltage (4.5 V to 20 V). The matched internal signal paths and shared VDD/GND references ensure simultaneous switching with no measurable timing drift between OUTA and OUTB under rated load conditions.

Does the 4 V UVLO apply to both channels independently?

No-the UVLO circuit monitors VDD globally; if VDD drops below 3.5 V (falling threshold), both OUTA and OUTB are forced low regardless of ENA/ENB or INA/INB states. This single-point monitoring ensures fail-safe shutdown of the entire driver during supply faults, preventing partial channel operation.

Is 2EDN7434RXTMA1 compatible with 3.3 V logic controllers?

Yes-INA and INB accept 3.3 V CMOS/TTL logic levels: VIH = 2.0 V min, VIL = 0.8 V max. The inputs are overvoltage tolerant up to -12 V and 20 V, allowing direct interface with microcontrollers, DSPs, and isolated gate drivers without level-shifting circuitry.