CC-PAIH51 51410069-275 | HONEYWELL | power amplifier

Description

CC-PAIH51 51410069-275 | HONEYWELL | power amplifier

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Traditional voltage sampling circuits are composed of resistors and power amplifiers. Generally, CC-PAIH51 51410069-275 is divided by two resistors and then amplified by a power amplifier. This design still adopts this method, but the difference is that the power amplifier does not need to be used after the resistance voltage is divided, as this part of the function can be implemented in the program using software. The schematic diagram of the sampling circuit is shown in Figure 3.

The protection of this design is mainly completed in software, and the hardware part collects input voltage through feedforward, and output voltage and current through sampling circuit. Then, the sampled values are sent to the DSP chip for specific implementation by software.

One major advantage of using digital control in CC-PAIH51 51410069-275 is that flexible software programs can be used to replace complex hardware protection circuits [3]. There are two types of interrupts in the program: maskable and non maskable. Among them, non maskable interrupts are usually targeted at errors in program or system configuration. In any case where this interrupt is detected, the program will disable the output to protect the circuit and devices. Maskable interrupts are usually used to handle situations such as overcurrent, overvoltage, and undervoltage during program operation, in order to ensure the system’s performance requirements, such as the output voltage not being lower than the required 5%. This type of interrupt generally does not terminate the program, but is processed using a certain algorithm to restore the performance indicators.

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