PT6671P

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Dc Dc converters are widely used in a variety of applications ranging from consumer electronics to industrial applications. The PT6671P is one such device that provides high efficiency and wide input voltage range ideal for applications such as renewable energy systems, automotive infotainment, digital signage, factory automation, and home appliances.

The PT6671P is a dual-channel synchronous Buck PWM controller, combining a dual-channel PWM control with up to 50A load current and up to 5V output. It features a synchronous rectification control, allowing it to provide high efficiency with low noise and low thermal stress.

The PT6671P has an internal power MOSFET that can be configured with two-phase or single-phase operation to control multiple outputs. It also supports advancedfeatures such as spread spectrum switching to reduce switching noise, cycle-by-cycle current limiting, adjustable slope compensation, and over temperature protection.

The PT6671P supports wide input voltage range of 3.1V to 28V, offering the flexibility needed for various applications. It includes a preset adjustable operating frequency of 250kHz to 600kHz and can be synchronized with an external clock, up to a maximum of 1MHz.

In addition, the PT6671P has programmable internal reference voltage and multiple start-up modes, including soft-start and phase shedding, for efficient power on/off control. Furthermore, the device also features a 3.3V Power-On Reset (POR) output.

The PT6671P integrates the driver circuit to control on/off of the external MOSFET with integrated two level protection such as over-current protection and over-voltage/under-voltage protection. It also monitors the external N-channel power MOSFET and uses a temperature sensing circuit to protect against over temperature operations.

The PT6671P is an ideal device for any application that requires high efficiency and wide input voltage range, such as automotive infotainment, renewable energy systems, digital signage, factory automation, and home appliances. Its dual-channel PWM control, up to 50A load current, up to 5V output, and advanced features such as spread spectrum switching and cycle-by-cycle current limiting make it ideal for these applications.

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