TC4421EMF713

Product Overview

• Category: Integrated Circuit (IC)
• Use: Driver for MOSFETs and IGBTs
• Characteristics:
  • High peak output current
  • Wide input voltage range
  • Fast rise and fall times
  • Low propagation delay
• Package: SOIC-8
• Essence: Power MOSFET and IGBT driver
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: 9A (peak), 2A (continuous)
• Input Threshold Voltage: 2.5V (typical)
• Propagation Delay: 55ns (typical)
• Rise/Fall Time: 25ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TC4421EMF713 IC has a total of 8 pins arranged as follows:

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

Pin Description: 1. VDD: Positive supply voltage 2. IN: Input pin for controlling the driver 3. LO: Low-side output pin 4. HO: High-side output pin 5. GND: Ground reference 6. NC: No connection 7. NC: No connection 8. VDD: Positive supply voltage

Functional Features

• High peak output current allows driving power MOSFETs and IGBTs efficiently.
• Wide input voltage range enables compatibility with various control circuits.
• Fast rise and fall times minimize switching losses and improve efficiency.
• Low propagation delay ensures accurate and synchronized switching.
• Built-in protection features like under-voltage lockout and thermal shutdown enhance reliability.

Advantages

• High output current capability enables driving power devices with low on-resistance.
• Wide input voltage range provides flexibility in different applications.
• Fast switching times reduce power dissipation and improve overall system efficiency.
• Low propagation delay ensures precise control of the power devices.
• Integrated protection features enhance system reliability and safety.

Disadvantages

• Limited to driving MOSFETs and IGBTs, not suitable for other types of devices.
• Requires external components for proper operation, such as bootstrap capacitors.
• May generate heat during operation, requiring proper thermal management.

Working Principles

The TC4421EMF713 is a high-speed driver IC designed to control power MOSFETs and IGBTs. It operates by receiving input signals from a control circuit and amplifying them to drive the gate of the power device. The driver provides sufficient current to quickly charge and discharge the gate capacitance of the power device, enabling efficient switching.

The input signal controls the state of the driver, determining whether the power device is turned on or off. When the input signal is high, the driver activates the high-side and low-side outputs, allowing current to flow through the power device. Conversely, when the input signal is low, the outputs are deactivated, cutting off the current flow.

The TC4421EMF713 incorporates various protection features like under-voltage lockout and thermal shutdown. These safeguards prevent damage to the driver and power devices under abnormal operating conditions, ensuring system reliability.

Detailed Application Field Plans

The TC4421EMF713 is widely used in applications that require efficient control of power MOSFETs and IGBTs. Some common application fields include:

1. Motor Control: The driver is utilized in motor control circuits to drive the power devices that control the speed and direction of motors.
2. Switching Power Supplies: It is employed in power supply circuits to efficiently switch power devices, regulating the output voltage.
3. LED Lighting: The driver is used in LED lighting applications to drive power MOSFETs or IGBTs that control the current flowing through the LEDs.
4. Automotive Electronics: It finds application in automotive systems for controlling various power devices like fuel injectors, ignition coils, and motor drivers.

Detailed and Complete Alternative Models

1. TC4420EMF713: Similar to TC4421EMF713 but with lower peak output current (6A) and different pin configuration.
2. TC4422EMF713: Similar to TC4421EMF713 but with higher peak output current (9.5A) and different pin configuration.
3. IR2110: Another popular high-speed driver IC for power MOSFETs and IGBTs, offering similar features and performance.

These alternative models provide options with varying specifications and pin configurations, allowing designers to choose the most suitable driver for their specific requirements.

In conclusion, the TC4421EMF713