L6208N

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The L6208N is a low-on-resistance full-bridge driver integrated circuit manufactured by STMicroelectronics. It is used in many applications in motor control, from low-power robotic systems to high-power industrial vehicles. The device is typically used in conjunction with a microcontroller, such as an Arduino, to control the speed, direction, and power of a motor.

The L6208N consists of a full-bridge circuit made up of four independent MOSFET transistors, two on the high side, and two on the low side. This bridge is designed to drive brushed DC motors, though it can be adapted to drive other types of motors. The gate of each MOSFET is controlled by two logic inputs, IN:+ and IN:-. All four MOSFETs can be controlled individually, allowing for more precise control over the motor\'s operation. Additionally, the L6208N also includes dual integrated gate drivers - these help to mitigate "shoot-through" current, which can occur when using discrete gate drivers.

The L6208N requires a small input voltage of 4.5 to 10V and can switch currents of up to 4A. This range of input voltage allows the device to be used in both Low-voltage and High-voltage applications and makes it a suitable choice for driving small to medium-sized motors. Additionally, the L6208N features an "under-voltage lockout" (UVLO) circuit, which prevents inadvertent powering of the bridge when the voltage at the SUP pin drops below the programmed level. This feature ensures that the device will not start switching until the external power source is stable.

The L6208N is an easy to use and cost-effective solution for motor control applications. With its integrated gate drivers, UVLO circuit, and low on-resistance performance, the device can offer reliable and precise motor control. The device is available in several packages, allowing for easier integration into different systems and circuit designs.

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