VS-81CNQ045ASLPBF

Diodes - Rectifiers - Arrays: VS-81CNQ045ASLPBF Application Field and Working Principle

VS-81CNQ045ASLPBF is a common-cathode, low-voltage, low-power rectifier array. It contains four silicon rectifiers that are well optimally configured to provide excellent performance and high loads. With its relatively low reverse-voltage capability, this product is suitable for many general-purpose applications.

VS-81CNQ045ASLPBF application fields are mainly in power devices, thermal protection modules, over-voltage protection devices, high-voltage protection circuits, voltage converters, frequency power converters, power supplies, switching power supplies, motor control circuits and other fields. It provides a very reliable and low-cost rectifying solution for power-related applications.

VS-81CNQ045ASLPBF working principle is mainly based on the junction rectification effect of PN junction diodes. The anode of the diode is connected to the positive pole of the external power supply, and the iodide cathode is connected to the negative pole of the power supply. When the anode voltage is higher than the cathode voltage, the diode is in the "ON" state, and the current flows from the anode to the cathode; when the anode voltage is lower than the cathode voltage, the diode is in the "OFF" state, and the current is blocked.

In VS-81CNQ045ASLPBF, it contains four PN junction diodes which are connected in series. Since the PN junction diodes are connected in series, the reverse voltage applied to the std1 and std2 pins is the same. In this way, all four diodes are reverse biased and will not be damaged due to over-voltage. Under the voltage of 5V and the total current of 1.2A, the maximum reverse voltage capability is 30V, which meets the needs of most general-purpose low-power applications.

In addition to general-purpose applications, VS-81CNQ045ASLPBF can also be used in various motor control circuits, such as motors runs on DC power, pulse-width modulation motor control, speed controllers for two-phase and three-phase motors, switching frequency converters, and LED speed controller. In these applications, VS-81CNQ045ASLPBF can work as a bridge rectifier, providing a low-voltage power supply for the motor control circuit and ensuring the full-load operation of the motor.

In conclusion, VS-81CNQ045ASLPBF is a low-voltage, low-power rectifier array. It is suitable for general-purpose applications and motor control circuits. Its working principle is based on the junction rectification effect of PN junction diodes. It can provide a very reliable and low-cost rectifying solution for power-related applications.