LB1838JM-MPB-E

Step Resolution:	--
Supplier Device Package:	14-MFPS
Package / Case:	14-LSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Voltage - Load:	1.8 V ~ 9 V
Voltage - Supply:	2.5 V ~ 9 V
Current - Output:	1A
Applications:	Battery Powered
Series:	--
Technology:	Bipolar
Interface:	Parallel
Output Configuration:	Half Bridge (4)
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Part Status:	Obsolete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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The LB1838JM-MPB-E is a motor driver and controller, specifically designed to provide efficient and accurate control of bipolar stepping motors. This product is made with a CMOS process using low-power consumption techniques and consists of a voltage control oscillator, constant-current drive circuit, thermal shutdown circuit, and over-current protection circuit. As a motor driver and controller, this product is mainly used in industrial and consumer applications such as printers, copiers, disk drives, and home appliances.

The LB1838JM-MPB-E operating temperature range is from -20°C to +80°C. The LB1838JM-MPB-E can control a two-phase or four-phase unipolar/bipolar stepper motor within a pulse width of up to 2-phase. It is suitable for use in automated equipment, office automation, semiconductor equipment, home appliance equipment, and industrial robots.For controlling a bipolar stepping motor, the LB1838JM-MPB-E provides full step, half step, and microstep modes. Full step and half-step modes are available for controlling two phase stepper motors. The microstep mode allows phase currents to be changed in increments of 1, 1/2, 1/4, and 1/8, allowing for smooth and accurate control. The maximum phase current can be set up to 1.8 A. The motor can be driven by controlling the input frequency and duty cycle.

The LB1838JM-MPB-E is a two or four-phase full-bridge driver integrated circuit for driving bipolar magnets of two or four wires. The driver has two or four PWM outputs. Each output is controlled by an internal voltage-controlled oscillator and can be used to control the motion of the motor by providing 2-phases or 4-phases to the motor.The current for the motor is generated by having the bridge output drive an internal high-gain current source. The current source has an adjustable maximum current level that can be set via an external resistor. The maximum current level can be up to 1.8A.Additionally, the LB1838JM-MPB-E has a thermal shutdown circuit and over-current protection circuit to protect the circuit from damage due to high-temperature or unexpected over-current conditions.

The LB1838JM-MPB-E is a motor driver and controller that is designed for low-power operation, efficient performance, and accurate control of bipolar stepping motors. It is mainly used in industrial and consumer applications such as printers, copiers, disk drives, and home appliances. The driver has two or four PWM outputs to control the motion of the motor.The medium-voltage supply required for the device is generated by having the bridge output drive an internal high-gain current source. The current source has an adjustable maximum current level that can be set via an external resistor. Additionally, the product has a built-in thermal shutdown circuit and over-current protection circuit to protect the circuit from damage due to high-temperature or unexpected over-current conditions. Overall, the LB1838JM-MPB-E is an ideal choice for applications requiring efficient, accurate, and low-power control of bipolar stepping motors.

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