VI-26P-MW-S

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DC-DC converters take in a direct current (DC) voltage input, convert it to a different DC voltage output, and they regulate the output by controlling the duty cycle of the converter. One example of a DC-DC converter is the VI-26P-MW-S, a wide input range DC-DC converter embedded with two motor drive controllers in one package. It is capable of providing up to 26W of output power, motor currents of up to 1A, and pulse-width modulation (PWM) frequency up to 20 Khz. The VI-26P-MW-S converter provides an easy way to reduce the number of drivers needed in an industrial system where multiple motors may need to be controlled. It has a wide input range of 4.5 VDC to 50 VDC, making it suitable for applications such as robots, electric vehicles, HVAC systems, and other industrial automation products. The converter also allows for high efficiency, low power consumption and long service life due to its high switching frequency, internal temperature sensing and current limiting functions.A block diagram of the VI-26P-MW-S DC-DC converter is shown in the diagram below. The VI-26P-MW-S consists of a high frequency (HF) power module, a DC-DC converter, and a motor drive control circuit. The HF power module comprises an input filter, rectifier, and a switch mode converter that generate the HF output voltage. This HF output voltage is further processed by the DC-DC converter for its high-voltage output. And finally, the motor drive control circuit takes the HF output voltage for motor control.The VI-26P-MW-S DC-DC converter employs both synchronous rectification and pulse-width modulation (PWM) techniques. Synchronous rectification involves regulating the applied input voltage in order to obtain the desired output voltage level. This is achieved by using a power transistor as a switch, such that current flow is in one direction. In the case of the VI-26P-MW-S, this transistor-like structure is referred to as a synchronous rectifier. The synchronous rectifier helps to reduce switching losses and allows for efficient conversion.The second technique employed by the VI-26P-MW-S is pulse-width modulation (PWM). This technique is used to dynamically regulate the output voltage level by varying the duty cycle of the ON and OFF cycles of the converter. By changing the duty cycle, the output voltage can be changed by the same amount in order to maintain a regulated flow of charge. The VI-26P-MW-S DC-DC converter is a highly efficient, temperature-controlled, and long-life solution for powering multiple motors in industrial automation systems. It uses both synchronous rectification and PWM techniques in order to minimize switching losses and regulate the output voltage level. With its wide input range and high power capabilities, it is suitable for applications such as robotics, electric vehicles, HVAC systems, and other industrial automation products.

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