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CS4124 - High Side PWM FET Controller

General Description

The CS4124 is a monolithic integrated circuit designed primarily to control the rotor speed of permanent magnet, direct current (DC) brush motors.

It drives the gate of an N channel power MOSFET or IGBT with a user-adjustable, fixed frequency, variable duty cycle, pulse width modulated (PWM) signal.

Key Features

  • s 150mA Peak PWM Gate Drive Output s Patented Voltage Compensation Circuit s 100% Duty Cycle Capability s 5V, ± 3% Linear Regulator s Low Current Sleep Mode s Overvoltage Protection s Boost Mode Power Supply s Output Inhibit.

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Datasheet Details

Part number CS4124
Manufacturer Cherry Semiconductor Corporation
File Size 149.78 KB
Description High Side PWM FET Controller
Datasheet download datasheet CS4124 Datasheet

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Full PDF Text Transcription (Reference)

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CS4124 Preliminary CS4124 High Side PWM FET Controller Description The CS4124 is a monolithic integrated circuit designed primarily to control the rotor speed of permanent magnet, direct current (DC) brush motors. It drives the gate of an N channel power MOSFET or IGBT with a user-adjustable, fixed frequency, variable duty cycle, pulse width modulated (PWM) signal. The CS4124 can also be used to control other loads such as incandescent bulbs and solenoids. Inductive current from the motor or solenoid is recirculated through an external diode. The CS4124 accepts a DC level input signal of 0 to 5V to control the pulse width of the output signal.