TC426CPA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Driver for MOSFETs and IGBTs
• Characteristics: High-speed, high-current, low-side driver
• Package: 8-pin PDIP (Plastic Dual In-line Package)
• Essence: Provides a high current drive capability for driving power MOSFETs and IGBTs in various applications
• Packaging/Quantity: Available in tubes or tape and reel, quantity depends on supplier

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: 1.5A peak
• Input Threshold Voltage: 2.3V typical
• Propagation Delay: 55ns typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC426CPA has 8 pins arranged as follows:

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| | | 1 8 | | | | 2 7 | | | | 3 6 | | | | 4 5 | |___________| ```

1. VDD: Supply voltage input
2. IN: Input pin for controlling the output
3. GND: Ground reference
4. OUT: Output pin for driving external MOSFET/IGBT
5. OUT: Output pin for driving external MOSFET/IGBT
6. GND: Ground reference
7. IN: Input pin for controlling the output
8. VDD: Supply voltage input

Functional Features

• High-speed switching capability
• High-current drive capability
• Low output impedance
• TTL/CMOS compatible inputs
• Undervoltage lockout protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - Fast switching speed allows for efficient power control - High-current drive capability enables driving of power MOSFETs and IGBTs - Low output impedance minimizes power losses - Compatible with various logic levels (TTL/CMOS) - Protection features enhance reliability

Disadvantages: - Limited to low-side driver applications - Requires external components for proper operation - Not suitable for high-voltage applications

Working Principles

The TC426CPA is a high-speed, high-current driver IC designed to drive power MOSFETs and IGBTs. It operates by receiving input signals from a microcontroller or other control circuitry and amplifying them to provide sufficient current to drive the gate of the external MOSFET/IGBT. The device incorporates protection features such as undervoltage lockout and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The TC426CPA finds applications in various fields, including:

1. Motor control systems
2. Switching power supplies
3. DC-DC converters
4. Solenoid and relay drivers
5. LED lighting systems
6. Automotive electronics
7. Industrial automation

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the TC426CPA are:

1. TC4420CPA: Similar characteristics and pin configuration, but with higher output current capability.
2. IR2110: Higher voltage and current ratings, suitable for high-power applications.
3. MAX4420: Low-power consumption, suitable for battery-operated devices.
4. HIP4081A: Enhanced features and protections, suitable for demanding applications.

These alternative models offer similar functionality and can be chosen based on specific requirements and application needs.

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