APX803L05-27SA-7

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PMIC (Power Management Integrated Circuit) is an integrated circuit used for power management functions. It includes various types of power management circuits for different applications in various industries, such as consumer electronics, automotive and telecommunications. Supervisors are one type of power management circuits, which are widely used in controlling and monitoring power management. APX803L05-27SA-7 is an advanced product among the supervisors, which provides efficient and reliable power management performance.

The APX803L05-27SA-7 is an ultra low-power supervisor device that combines low-power operation with high precision, has wide operating voltage from 1.8V to 5.5V and can quickly sense, monitor, and protect the supply voltage. It detects power-on, brownout and over-voltage conditions, and provides an active-low reset signal to the microcontroller or other components to reset the system. It also integrates a manual reset feature to facilitate the debugging process. The APX803L05-27SA-7 also supports supply voltage or power-on assertion and de-assertion delay, whose range is 0.25 seconds up to several minutes, which can be programmable as required. Other features include an industry-standard watchdog timer, a clock monitor that supports crystal oscillator clock and other clock sources, and a level-change interrupt input, which can be used as an interrupt input of the system.

The APX803L05-27SA-7 can be used in applications such as lighting, portable computing, and AC/DC adapters. It is also suitable for LED backlighting, dongles and IoT controllers and protectors. It is especially useful for applications that require ultra-low power operation and high precision.

The APX803L05-27SA-7 has an advanced working principle. It consists of Power On Reset (POR), Brownout Detection (BOD) and Over Voltage Protection (OVP) functions. The Power On Reset is responsible for detecting and responding to the system on power-on or power-off conditions. It can generate a reset signal or interrupt when the voltage falls below a preset level. The Brownout Detection is used to detect and respond to insufficient supply voltage. When the voltage level drops below a certain preset level, it will generate a reset signal or interrupt. The Over Voltage Protection is used to detect and protect against over-voltage damage. It uses voltage comparison to ensure the voltage does not exceed the set safety threshold and to protect other system components that may be vulnerable to over-voltage.

In conclusion, the APX803L05-27SA-7 is an advanced product among the supervisors, provides efficient and reliable power management performances and can be used in various application fields from lighting and portable computing to AC/DC adapters and IoT controllers and protectors. Its advanced working principle aids system security by reliably detecting power-on, brownout and over-voltage conditions.

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