APX803L05-45SA-7

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Power Management IC (PMIC) are integrated circuits used in a variety of applications including medical and industrial applications, computers, cell phones, and other consumer products. These chips are used to provide power management and regulation functions to reduce operating costs, reduce design complexity, and increase system reliability. The PMIC family includes a wide range of ICs, ranging from simple voltage regulators to multi-output ICs for advanced power designs. The ICs are also available in a variety of sizes, depending on the complexity of the design.

The APX803L05-45SA-7 is part of the Supervisors family within the PMIC family. The supervisors family of ICs provides various monitoring functions such as under voltage protection (UVP), over voltage protection (OVP), reset generation and delay, clock generators, voltage references, supervisory functions and other features related to logic control. The APX803L05-45SA-7 is one of the most commonly used supervisors within this family, due to its performance, low-cost and wide variety of features.

APX803L05-45SA-7 is an advanced supervision circuit designed to protect systems against over voltage and under voltage conditions. It uses a microcontroller core to monitor and control voltage level, while also providing various protection mechanisms. The IC is designed to operate in the range of 5V to 45V, with a quiescent current of only 35uA. Additionally, the circuit also provides clock generation, voltage reference, reset control, brown-out protection, clock frequency locking and debouncing.

The main application field of the APX803L05-45SA-7 is to provide basic power management functions for embedded designs. The IC has a very low standby current, and hence is suitable for applications where low power consumption is critical. It is also used in automotive, medical and industrial systems, where voltages everywhere from 5 to 45V can occur. This allows it to be used in both 12V and 24V systems.

The working principle of the APX803L05-45SA-7 is simple. The IC has two monitoring voltages, an upper voltage (UV) and a lower voltage (LV). When an input voltage falls below UV or exceeds LV, the IC will perform a protection action. This may either be a reset signal output, a delay action or other functions, depending on the configuration. Additionally, the IC can also be configured to perform debouncing, frequency locking, and other functions related to power management.

In conclusion, the APX803L05-45SA-7 is an advanced power management IC, designed to provide basic power management functions in a low-cost and low-power format. It is suitable for a wide range of applications, including automotive, medical and industrial systems. It operates in the voltage range of 5V to 45V, and has two monitoring voltages, an upper and a lower voltage. When an input voltage falls below UV or exceeds LV, the IC will perform the appropriate protection action. It can also be configured to perform additional functions such as frequency locking and debouncing.

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