APX803S-26SR-7

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Power management integrated circuits are incredibly discreet, yet incredibly powerful components used in computers, digital signal processors and other electrical devices. As the name suggests, these devices perform the dual task of delivering and managing power within an electrical system. The APX803S-26SR-7 is a supervisory circuit that acts as a power management integrated circuit, or PMIC, specifically designed to be used within embedded applications.

Overview

The APX803S-26SR-7 is a low-cost, compact and reliable PMIC that is suitable for a variety of embedded applications, such as microcontrollers, digital signal processors, cellular phones, set-top boxes, routers and networking equipment, navigation systems and automotive applications. The APX803S-26SR-7 offers several advantages over other PMIC solutions, including a high integration level, low stand-by power consumption, superior power delivery and low internal impedance. Additionally, the device provides flexibility for users by offering a wide range of functionalities and features.

Application Field and Working Principle

The APX803S-26SR-7 PMIC is designed to supply and manage power in a range of embedded applications, from consumer electronics and telecommunications equipment to industrial control systems and automotive products. The device offers a range of features and functions that are designed to provide great flexibility for users, such as a wide input voltage range, adjustable output voltage, over-voltage protection and under-voltage lockout. Additionally, the device has the ability to monitor power management faults and provide system reset signals to safeguard the system.

In addition to the basic power management functions of the device, the APX803S-26SR-7 also provides a range of features that enhance system performance, such as support for multiple regulator outputs, up to 4 low-power voltage regulators, up to 2 low-power LDO regulators, and up to 2 voltage monitoring channels. The device can provide up to 8 system protection functions to guard against conditions such as overcurrent and overtemperature. The device also offers a comprehensive range of measurement functions, such as VIN and VOUT ripple measurements, average operating current measurement, and total power On/Off time calculation.

Performance

In terms of performance, the APX803S-26SR-7 offers excellent accuracy, with an output voltage accuracy of +/-1% over a temperature range of 0°C to 85°C. The device also offers a wide input voltage range of 2.6V to 20V, and a wide output voltage range of 0.9V to 7V. Additionally, the device has a low temperature coefficient, low output ripple and low quiescent current for improved system efficiency. The device also features over-voltage protection and under-voltage lockout for improved system reliability.

Conclusion

The APX803S-26SR-7 is a low-cost, compact and reliable PMIC designed for a wide range of embedded applications. The device offers a wide range of features and functions that enable users to tailor their system to their needs, and offers excellent performance with an output voltage accuracy of +/-1%. Additionally, the device provides over-voltage protection and under-voltage lockout for improved system reliability. In summary, the APX803S-26SR-7 is a great choice for embedded designs requiring a reliable, efficient and cost-effective PMIC.

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