TC426EOA

Product Overview

Category: Integrated Circuit (IC)

Use: The TC426EOA is a high-speed power MOSFET driver designed to drive N-channel enhancement mode MOSFETs in various applications.

Characteristics: - High-speed switching capability - Low output impedance - Wide supply voltage range - TTL/CMOS compatible inputs - Short-circuit protection

Package: 8-pin SOIC (Small Outline Integrated Circuit) package

Essence: The TC426EOA is an essential component for driving MOSFETs efficiently and reliably in electronic circuits.

Packaging/Quantity: The TC426EOA is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 4.5V to 18V
• Output Current: ±1.2A
• Input Threshold Voltage: 2.4V (TTL), 1.2V (CMOS)
• Rise/Fall Time: 25ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC426EOA features the following pin configuration:

1. VDD: Positive supply voltage
2. IN: Input control signal
3. GND: Ground reference
4. OUT: Output to drive MOSFET gate
5. EN: Enable input (active low)
6. NC: No connection
7. NC: No connection
8. VSS: Negative supply voltage

Functional Features

• High-Speed Switching: The TC426EOA enables fast switching of MOSFETs, allowing for efficient power control in various applications.
• Low Output Impedance: The low output impedance ensures minimal voltage drop across the driver, maximizing the MOSFET's performance.
• Wide Supply Voltage Range: The IC can operate within a wide range of supply voltages, providing flexibility in different circuit designs.
• TTL/CMOS Compatible Inputs: The TC426EOA accepts both TTL and CMOS input logic levels, making it compatible with a wide range of digital systems.
• Short-Circuit Protection: The driver incorporates short-circuit protection, safeguarding the MOSFET and the driver itself from damage in case of a fault.

Advantages and Disadvantages

Advantages: - High-speed switching capability allows for efficient power control. - Low output impedance minimizes voltage drop across the driver. - Wide supply voltage range provides flexibility in circuit design. - Compatibility with TTL and CMOS inputs ensures versatility. - Built-in short-circuit protection enhances system reliability.

Disadvantages: - Limited output current may restrict its use in high-power applications. - Non-isolated design may require additional isolation measures in certain applications.

Working Principles

The TC426EOA operates by receiving an input control signal (IN) and generating a corresponding output voltage (OUT) to drive the gate of an N-channel MOSFET. When the input signal is high, the output voltage rises rapidly, turning on the MOSFET. Conversely, when the input signal is low, the output voltage falls quickly, turning off the MOSFET. This rapid switching capability enables efficient power control in various electronic circuits.

Detailed Application Field Plans

The TC426EOA finds applications in various fields, including but not limited to: 1. Motor Control Systems 2. Switching Power Supplies 3. LED Lighting Systems 4. Audio Amplifiers 5. DC-DC Converters 6. Battery Charging Circuits

Detailed and Complete Alternative Models

1. TC4420CPA: Similar high-speed MOSFET driver with complementary outputs.
2. IR2110: High-voltage, high-speed MOSFET and IGBT driver.
3. MAX4420ESA: Low-power, high-speed MOSFET driver with rail-to-rail outputs.
4. LTC4440EMS8E-5: High-frequency, high-current MOSFET driver with adjustable dead-time control.

These alternative models offer similar functionality and can be considered as substitutes for the TC426EOA in various applications.

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