APX810S05-23SR-7

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APX810S05-23SR-7 application field and working principle:

Power Management Integrated Circuit (PMIC) is a wide-spread and important product in the field of industrial electronics. PMIC supervises are one of those traditional applications which could provide powerful protection, while at the same time, simplify the design of circuits and reduce users’ cost. APX810S05-23SR-7 is a very good example of this type of device.

The application area of APX810S05-23SR-7 generally covers various AC/DC power supplies. Particular for chopper circuits, the typical application could be the voltage monitor for the output of the transformer. APX810S05-23SR-7 is a triple output supervisor which could provide enhanced protection of the load, the circuit itself and secondary circuitry. The device has build in three groups of outputs - Reset, Latch-off and Trip. This series of devices also incorporates input monitoring with non-latching functionality.

The input of APX810S05-23SR-7 could either be transformerless or transformer-based. In transformerless configuration, signal is directly connected to the pin of the device while in the transformer-based configuration, signal is connected to the input via a small transformer. The corresponding working frequency is up to 20 KHz.

When the voltage of the input exceeds the preset value, the output will be forced to enter the reset/latch-off state, depending on the system configuration. Reset mode means it will be reset with low-level pulse for a period of time and latch-off mode means it will be in reset state until the circuit is shutdown manually or the input voltage returns to the normal value.

In addition to the reset/latch-off mode, the output of APX810S05-23SR-7 can also be in trip state, which corresponds with an additional input port. The trip state enables additional protection for the load, circuit, or other secondary circuitry against dangerous high voltage conditions. Furthermore, this device also provides a robust watchdog function with a debounce circuitry which could indicate a system malfunction.

Given its power protection and supervision functions, it is not surprising that APX810S05-23SR-7 has been widely used in industrial applications such as motor control, power supply, communication systems and more. Its robust protection functions make it a preferred product for these applications.

In conclusion, APX810S05-23SR-7 is a powerful and versatile power management IC that offers enhanced protection, non-latching operation, and robust watchdog functions. It is suitable for a variety of industrial applications and provides users with cost-saving design of the circuit.

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