LB1930MC-AH Integrated Circuits (ICs)

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LB1930MC-AH is a PMIC (Power Management Integrated Circuit) motor driver, controller and power semiconductor device which is designed to produce a sequence of programmable output control signals to drive a range of motor types including AC, DC brushless, brush and stepper motors. Its major unique feature from other devices is an integrated sampling circuit, which enables precise timing and speed control over motor driving characteristics.

The motor controller can drive motor types with a wide range of voltage ratings and frequency, up to 6A at 48V DC and 3A at up to 120V AC power supply. With features like low stand-by current consumption, fast response, low noise and precise control, it can provide reliable and efficient performance.

The main application field of LB1930MC-AH is in automotive systems, such as electric power steering, electronic automatic transmission and window regulator, fan motors control and braking control. It is also used in medical equipment and industrial machine controllers, HVAC (Heating, Ventilation and Air Conditioning) systems and other applications where precise motor control is highly necessary.

The LB1930MC-AH motor controller works with a built-in integrated sampling circuit, which enables precise CMT (Current Mode Timing) control and 5-bit digital speed setting. This unique feature allows precise timing and speed control over motor driving characteristics. It functions by converting digital values from 0 to 31 into equivalent digital time intervals for motor speed control.

The controller includes a low on-resistance gate driver to switch various types of power electronics such as bipolar transistors and IGBTs (Insulated Gate Bipolar Transistor). An integrated microcontroller is included in the package to provide accurate control sequences and PWM (Pulse Width Modulation) outputs. This minimizes noise and improves balancing performance. The low on-resistance gate driver and integrated circuit provides a low switching loss, higher efficiency and better system performance.

The LB1930MC-AH has fault detection capabilities, which can detect the condition of over-current, over-voltage and short circuit protection, as well as over-temperature protection. It also provides a low current consumption in stand-by mode, and low on-state rDS(on) and low EMI/EMC level.

The LB1930MC-AH motor controller is an ideal solution for many motor control applications, including AC and DC motors in a wide range of voltage ratings and frequencies for automotive systems. With integrated sampling circuit and precise CMT control, it offers high performance with low noise and precise control.

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