A3935KED

Step Resolution:	--
Base Part Number:	A3935
Supplier Device Package:	44-PLCC (16.59x16.59)
Package / Case:	44-LCC (J-Lead)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 135°C (TA)
Voltage - Load:	7 V ~ 40 V
Voltage - Supply:	4.75 V ~ 5.25 V
Current - Output:	--
Applications:	Automotive
Series:	--
Technology:	Power MOSFET
Interface:	Parallel
Output Configuration:	Pre-Driver - Half Bridge (3)
Function:	Controller - Commutation, Direction Management
Motor Type - AC, DC:	--
Motor Type - Stepper:	--
Part Status:	Obsolete
Packaging:	Tube

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PMIC – Motor Drivers, Controllers

A3935KED is a motor driver and controller, designed to adapt and regulate current for electric motors in a variety of applications. By accurately controlling electric motor current, the A3935KED can drive a motor with precise torque and speed control. This in turn allows engineers and designers to quickly create motor solutions with realistic motor performance, while saving time on circuit design and system development.A3935KED is a motor driver and controller that typically used in applications involving diverse electric motor types and control systems. This device is capable of controlling multiple motors, each with an independent target direction or speed. Furthermore, the device can be used to control solar panel arrays, adjustable fans, and other single-speed or bi-directional motors. The A3935KED is also able to dim LED lights or other light sources, while also providing a heartbeat signal that signifies when the lights are at full power.The device’s operating temperature range is from 0 to +70°C, and it has an analog current regulation range of 4 to 12V, with a maximum output current of 1.25A. The device integrates a high-efficiency, low-noise buck-boost DC/DC converter, eliminating the need for an external DC/DC converter. The device also features a wide operating temperature range, high junction temperature capability, low quiescent current, and reverse polarity protection, making it ideal for harsh thermal environments and limiting voltage stress on the motor.The A3935KED implements a variety of safety features, permitting it to easily comply with safety standards and provide reliable operation. The device contains an over-temperature warning and a thermal shutdown switch for controlling power supply temperature. Its MOSFETs also curtail slow-start ramping and reduce inrush current, resulting in lower total power consumption. Additionally, the device is designed with a silent driver adaptive algorithm that eliminates audible noise, achieving the highest cogging performance for improved motor control and optimal torque.To control a motor with the A3935KED, a user monitors a motor’s current with the device’s integrated current sensing. This sensing is then used to precisely regulate the motor’s current, creating a stable, predictable, and repeatable output.The A3935KED also features an integrated concept called TorqueSync™, which allows the user to input a desired torque level and command the motor driver to ensure that the desired torque level is always achieved. This simplifies the motor control system, as the user no longer needs to manually control the motor’s speed or current. The device is also equipped with built-in Diagnostic and Fault Detection capabilities, which continuously monitor the motor’s operating parameters and alert the user when faults occur.The A3935KED is an incredibly versatile and powerful motor driver and controller capable of adapting to a number of different motor control systems. Its broad range of integrated safety features, as well as its integrated TorqueSync™ and Diagnostic/Fault Detection capabilities, make it an ideal choice for a variety of applications.

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