APX803L40-12SA-7

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PMIC, or Power Management Integrated Circuits, are components that help control the flow of power in electronic systems. In particular, Supervisors act as a "watchdog", monitoring the load on the power supply to ensure that it is within acceptable limits. This article will discuss the application field and working principle of the APX803L40-12SA-7 Supervisors.

The APX803L40-12SA-7 Supervisors are used in a wide range of applications, from consumer electronics to industrial embedded devices. This Supervisor is designed for high-efficiency and progressive power management control. It features a low-power, low-voltage operational range of 0.70V to 6V, and a wide supply voltage operating range of 1.8V and 5V. The APX803L40-12SA-7 offers up to eight output current settings, ranging from 0.200uA to 80mA, enabling a wide range of current regulation options.

The working principle of the APX803L40-12SA-7 Supervisors is based on a programmable, threshold-based feedback circuit. This circuit continuously measures the load on the power supply and compares it to the stored threshold settings. If the load exceeds the set limits, the Supervisor will generate a warning signal to indicate an unsafe condition. This signal can then be used to trigger an emergency shut-down, reset the circuit, or trigger other corrective actions. In addition, the Supervisor can be used to monitor battery voltage and operation, as well as voltage transients, overvoltage, and overcurrent conditions.

The APX803L40-12SA-7 Supervisors also feature an integrated OTP memory. This memory can store up to four Eight-Word program words and two Digital Identification Codes (DICs) that can be used to authenticate the device. This feature ensures that the Supervisor has been manufactured and tested to meet all relevant safety and quality standards.

Overall, the APX803L40-12SA-7 Supervisors is an ideal choice for applications requiring power management and current regulation control. Its broad supply voltage range, wide current settings and integrated OTP memory make it an excellent choice for controlling and protecting a range of devices. Its threshold-based feedback loop ensures that the circuit is kept within acceptable levels, and its integrated DICs help to authenticate the device for safety and quality standards.

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