ICL7667CBA

The ICL7667CBA is a dual power MOSFET driver IC designed for driving the gates of high-side and low-side power MOSFETs in bridge configurations.It features matched delay times and output transitions,allowing for efficient switching and control of power MOSFETs in various applications.

Pinout

(Note:The pin configuration below is a general representation.Refer to the specific datasheet for precise details.)

• VDD:Positive Power Supply
• VB:Bootstrap Voltage
• VBS:Bootstrap Supply
• HIN:High-Side Input
• LIN:Low-Side Input
• HO:High-Side Output
• LO:Low-Side Output
• SD:Shutdown Pin
• VSS:Ground
• VREF:Reference Voltage
• VCNTL:Voltage-Control Pin
• GD:Gate Driver Output
• TSD:Thermal Shutdown
• VREG:Regulated Supply Output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ICL7667CBA IC for a visual representation.

Key Features

• Dual Power MOSFET Driver:The ICL7667CBA provides dual drivers for high-side and low-side power MOSFETs,ensuring efficient and synchronized switching.
• Matched Delay Times:Features matched delay times and output transitions for precise control of power MOSFETs in bridge configurations.
• Bootstrap Voltage Generation:Includes a bootstrap circuit for generating high-side drive voltage,eliminating the need for an external charge pump.
• Thermal Shutdown:Equipped with a thermal shutdown feature to protect the IC from overheating during operation.
• Regulated Supply Output:Provides a regulated supply output to power external components in the system.

Note:For detailed technical specifications,please refer to the ICL7667CBA datasheet.

Application

• Motor Control:Suitable for motor control applications requiring efficient drive of power MOSFETs in bridge configurations.
• Power Inverters:Used in power inverter circuits to control the switching of high-side and low-side MOSFETs for AC power conversion.
• Switching Power Supplies:Ideal for driving power MOSFETs in switching power supply designs for efficient power management.

Functionality

The ICL7667CBA is a dual power MOSFET driver IC that provides synchronized drivers for high-side and low-side MOSFETs,ensuring reliable switching and control in bridge configurations.It is a versatile solution for various power electronics applications.

Usage Guide

• Supply Voltage:Connect VDD(Pin 1)to the positive power supply and VSS(Pin 9)to ground.
• Gate Connections:Connect HIN(Pin 4)and LIN(Pin 5)to the gate terminals of high-side and low-side power MOSFETs respectively.
• Bootstrap Circuit:Ensure proper connection of VB and VBS pins for bootstrap voltage generation.

Frequently Asked Questions

Q:What is the purpose of the bootstrap voltage in the ICL7667CBA?
A:The bootstrap voltage generated by the IC is used to drive the high-side MOSFET without the need for an external charge pump,enhancing efficiency in bridge configurations.

Q:Does the ICL7667CBA include thermal protection?
A:Yes,the IC is equipped with thermal shutdown functionality to prevent overheating and ensure safe operation.