MPQ6526GU-AEC1-P

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The MPQ6526GU-AEC1-P is a class of its own when it comes to power management integrated circuits (PMIC – Motor Drivers, Controllers). This powerful device from Macom Technology Solutions has a wide range of application field and working principle that make it an ideal choice for any power management circuit designer.

This MPQ6526GU-AEC1-P controller is specifically devoted to the load current control in switching DC/DC converter applications. It is equipped with an integral 400 kHz, 4A/2.25A half bridge driver and a high-voltage gate driver for an external MOSFET with a boost converter topology. This controller is useful to drive power MOSFET/IGBT in industrial AC/DC as well as DC/DC converters mainly used in motor control applications such as, microwave ovens, washers, refrigerators, air conditioners, and much more.

The active current and voltage loop minimize large signals and minimize power losses while providing output current protection, which enables a superior operational performance. The Pulse Width Modulation (PWM) method used in this device features low on-off time and active transition time control, allowing the device to be used at high switching frequencies as well as low switching frequencies. Additionally, the MPQ6526GU-AEC1-P also features inrush-current protection, such as peak current detection, current-sense detection, and software-based peak current control.

The working principle of the MPQ6526GU-AEC1-P is that it uses a two-stage topology with a high voltage gate driver and a 4A/2.25A half-bridge driver. The device senses the input voltage and the output load current and generates a control signal in order to regulate the output current. This is done by sensing the output voltage and comparing it to the reference voltage. The error signal is then amplified and used by the internal control circuit to adjust the duty cycle of the PWM signal that controls the external MOSFET/IGBT. This allows the device to maintain the desired current level and voltage level at the output of the DC/DC converter.

The MPQ6526GU-AEC1-P provides a cost-effective solution for current control applications. It supports many types of external circuitry, including high speed control loops, peak current detection, voltage mode control and current-sense control. These features make it well suited for applications such as motors, AC/DC converters, DC/DC converters and any other power electronics project. The wide range of application field combined with the wide range of working principle makes it an ideal choice for any power management circuit designer.

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