The HMA124R2 from ON Semiconductor is a high-side MOSFET driver IC with integrated overcurrent protection. It is designed to drive N-channel MOSFETs in automotive applications, such as motor control, solenoid control, and lamp control. The HMA124R2 can source and sink up to 2A of current, and it has a wide operating voltage range of 4.5V to 40V.

The HMA124R2 has a number of features that make it ideal for automotive applications. It is protected against overcurrent, overtemperature, and reverse voltage. It also has a built-in diagnostic circuit that can detect open-circuit and short-circuit faults on the output.

The HMA124R2 is available in a SOT-23-6 package, which is small and lightweight. It is also AEC-Q100 qualified, which means that it is designed to meet the high reliability requirements of automotive applications.

Applications

Automotive motor control Automotive solenoid control Automotive lamp control Industrial automation Robotics Power management Features

High-side MOSFET driver Integrated overcurrent protection Source and sink current up to 2A Wide operating voltage range of 4.5V to 40V Protected against overcurrent, overtemperature, and reverse voltage Built-in diagnostic circuit SOT-23-6 package AEC-Q100 qualified Benefits

High reliability and performance Easy to use Small and lightweight Cost-effective Detailed Description

The HMA124R2 is a high-side MOSFET driver IC with integrated overcurrent protection. It is designed to drive N-channel MOSFETs in automotive applications, such as motor control, solenoid control, and lamp control. The HMA124R2 can source and sink up to 2A of current, and it has a wide operating voltage range of 4.5V to 40V.

The HMA124R2 has a number of features that make it ideal for automotive applications. It is protected against overcurrent, overtemperature, and reverse voltage. It also has a built-in diagnostic circuit that can detect open-circuit and short-circuit faults on the output.

The HMA124R2 is available in a SOT-23-6 package, which is small and lightweight. It is also AEC-Q100 qualified, which means that it is designed to meet the high reliability requirements of automotive applications.

The HMA124R2 is a versatile and easy-to-use MOSFET driver IC. It is ideal for a wide range of automotive and industrial applications.

Example Application

The following is an example of a simple motor control circuit using the HMA124R2:

The HMA124R2 is used to drive the N-channel MOSFET M1. The MOSFET is connected in series with the motor, and the motor is connected to the ground. The power supply is connected to the VCC pin of the HMA124R2, and the ground is connected to the GND pin.

The HMA124R2 is controlled by the IN pin. When the IN pin is pulled high, the HMA124R2 turns on the MOSFET M1. This allows current to flow through the motor, and the motor starts to turn. When the IN pin is pulled low, the HMA124R2 turns off the MOSFET M1. This stops current from flowing through the motor, and the motor stops to turn.

The HMA124R2 is a versatile and easy-to-use MOSFET driver IC. It is ideal for a wide range of automotive and industrial applications.