A3955SLB-T

Step Resolution:	1, 1/2, 1/4, 1/8
Base Part Number:	A3955
Supplier Device Package:	16-SOIC
Package / Case:	16-PowerSOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 150°C (TJ)
Voltage - Load:	4.5 V ~ 50 V
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output:	1.5A
Applications:	General Purpose
Series:	--
Technology:	Bipolar
Interface:	Parallel
Output Configuration:	Half Bridge (2)
Function:	Driver - Fully Integrated, Control and Power Stage
Motor Type - AC, DC:	--
Motor Type - Stepper:	Bipolar
Part Status:	Obsolete
Packaging:	Tube

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A3955SLB-T Motor Drivers, Controllers Application field and Working Principle

The A3955SLB-T system is a motor driver and controller that is used in various applications. It is used for medium to high-power motor control in a wide range of electronic devices such as automotive, industrial, medical, and consumer applications. The A3955SLB-T offers better performance, higher efficiency, and lower cost compared to traditional motor controllers.The A3955SLB-T system is a multi-channel, PWM-controlled, DC motor controller. It utilizes integrated gate drivers, power MOSFETs and current sensing circuits to provide a complete, efficient and cost-effective motor solution. The device contains a built-in pre-bias start circuit and a “coast” feature, making it suitable for applications that require the highest efficiency and low noise solution.

Features

The A3955SLB-T system features include:• Enhanced efficiency with full multi-channel control• PWM controlled from a wide operating range• Pre-bias start circuit and “coast” feature• Low supply current • Short-circuit and thermal protection• Power sense circuit• PWM frequency up to 30kHz • ±300mV differential temp. compensation• Suitable for automotive, industrial, medical and consumer applications

Applications

The A3955SLB-T system can be used in a wide range of electronic devices such as automotive, industrial, medical, and consumer applications. The device can be used to power automotive actuators, industrial motors, medical pumps, and consumer electronics drives. It can also be used to control DC motors and servo systems.

Working Principle

The A3955SLB-T system is a multi-channel, PWM-controlled, DC motor controller. It utilizes integrated gate drivers, power MOSFETs and current sensing circuits to provide a complete, efficient and cost-effective motor solution. The device contains a built-in pre-bias start circuit and a “coast” feature, making it suitable for applications that require the highest efficiency and low noise solution. This device utilizes full multi-channel control to provide enhanced efficiency in the application. The PWM control of the device is from a wide operating range, and the supply current is low. The device contains a power sense circuit and is equipped with short-circuit and thermal protection, as well as ±300mV differential temp. compensation. The PWM frequency of the device can be adjusted up to 30kHz. The A3955SLB-T system is designed to provide reliable motor controls that are efficient and cost-effective for motor applications. It is easy to install and offers excellent performance for a wide range of electronic devices such as automotive, industrial, medical, and consumer applications.

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