Manufacturer Part Number

TC4428CPA

Description

Low-side gate driver IC designed to drive both N-channel and P-channel MOSFETs. Features two independent channels with inverting and non-inverting inputs. Packaged in an 8-pin PDIP for through-hole mounting. Operates with a supply voltage between 4.5V and 18V. Suitable for switching applications requiring up to 1.5A peak output current per channel.

Specifications

Number of Drivers 2

Driver Configuration Low-side

Input Type Inverting and non-inverting

Supply Voltage Range 4.5V to 18V

Logic Voltage Thresholds VIL = 0.8V, VIH = 2.4V

Peak Output Current Source/Sink 1.5A / 1.5A

Typical Rise Time 25ns

Typical Fall Time 25ns

Operating Temperature Range 0°C to 70°C (ambient)

Package 8-pin PDIP (0.300" / 7.62mm)

Mounting Type Through-hole

RoHS Compliance ROHS3 Compliant

Moisture Sensitivity Level MSL 1 (unlimited)

REACH Status Unaffected

Device Structure

Integrated dual independent low-side gate drivers with totem-pole output stages capable of sourcing and sinking peak currents of 1.5A. Inputs support both inverting and non-inverting logic signals. Silicon-based IC housed in plastic 8-pin dual in-line package for simple PCB mounting.

Performance Characteristics

Fast switching with typical rise and fall times of 25ns enables efficient MOSFET driving in power conversion circuits. Wide supply voltage range delivers flexibility for various system voltages. High peak current output drives large MOSFET gates effectively, minimizing switching losses. Operates reliably within common commercial temperature ranges.

Application Environments

Designed for powering MOSFET gates in power management systems such as DC-DC converters, motor drivers, power supplies, and lighting controls. Suitable for industrial and commercial electronic devices requiring low-side MOSFET switching. Through-hole packaging fits legacy or prototype PCB designs.

Selection Guidelines

Choose TC4428CPA when dual low-side gate drivers are needed with both inverting and non-inverting inputs, supporting supply voltages from 4.5V to 18V. Ideal for driving moderate to large N-channel or P-channel MOSFET gates with a need for peak current up to 1.5A per channel. Select when simple through-hole mounting is preferred. Confirm operating temperature within 0°C to 70°C.

Usage Considerations

Ensure supply voltage remains within 4.5V to 18V range to avoid device damage. Respect logic input thresholds for proper switching. Provide appropriate heat sinking if operating near maximum current limits. Use with MOSFETs compatible with the gate drive voltage levels. Check PCB layout to minimize parasitic inductance for faster switching performance.

Potential Equivalent/Replacement Models

Equivalent or alternative models with similar driver features may exist from other manufacturers or from Microchip’s extended driver IC family. Common equivalents include TC4420 (single driver), TC4426 (single channel), or TC4427 (dual driver variant). For alternative models with different package types or higher temperature ranges, please consult Ariat-Tech sales team for detailed recommendations and availability.

If no direct equivalent is found, contact the Ariat-Tech sales team for personalized support and suggestions.

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