MIC4127YME-TR

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PMIC (Power Management Integrated Circuit) products achieve a wide range of power management functions including voltage regulation, voltage sequencing, voltage monitoring, power distribution and more. Gate drivers are one of the most important components of a PMIC system. A gate driver is a active electronic circuit used to control the effect of a connected electronic device with the control voltage applied to its control input. In this article, we will discuss the MIC4127YME-TR application fields and working principle.

The MIC4127YME-TR is a high voltage family of gate drivers designed specifically to drive high-side power MOSFETs and IGBTs in motor control, DC-DC converters, and power machine boards. This part is part of the complete family of MIC gate drivers which include low-side drivers and isolated solutions. The MIC4127YME-TR provides a single-stage bootstrap supply to the high-side switches and isolated grounds for other components connected to the system. It also integrates a voltage clamping circuit which helps protect against transient voltage spikes.

The MIC4127YME-TR has a wide range of applications in a variety of fields. It is ideal for controlling power MOSFETs and IGBTs used as switches to drive bidirectional DC motors in a variety of automotive, industrial and consumer applications. It is also suitable for controlling bidirectional DC motors with integrated PWM speed control, or in applications with variable speed drive and variable frequency drives. Additionally, it can be used in various other applications such as motor control, DC-DC conversion, motor control and switching applications.

The MIC4127YME-TR consists of two voltage controlled inputs, two P-channel high-side power MOSFETs, two source-follower outputs and a gating circuit. The inputs are connected to a logic signal input or pulse width modulation (PWM) signal and the outputs are connected to the gate electrode of the high-side power MOSFETs. The gating circuit consists of a high-voltage level shift circuit which shifts the logic levels from logic 0 to 1 and vice versa.

The working principle of MIC4127YME-TR is based on the principle of current control. The MOSFETs are turned ON and OFF with the application of the input signal. When the input signal is high, the gate voltage of the MOSFETs is increased and the ON-resistor of the MOSFETs is pulled down to enable or disable the current flow through the MOSFETs. In addition, the switching speed of the MIC4127YME-TR is adjustable. This is done by adjusting the value of the PWM signal which is sent to the inputs.

The MIC4127YME-TR is a reliable, high-performance, and cost-effective, gate driver for high-side switches in many applications. It has been tested and proven in various applications, including automotive and off-road applications. It is easy to use, program and integrate into your applications. Moreover, it offers superior performance in all high-side applications.

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