MAX14693ETP+

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MAX14693ETP+ is an integrated circuit that provides dedicated power management integrated circuit (PMIC) solutions for low-power, small-footprint portable applications. It supplies both supply and ground voltages, and employs several voltage regulators and voltage level monitors to deliver the perfect supply conditions to its application field.

Overview

The MAX14693ETP+ PMIC specially designed to provide efficient on-board and system power management solutions in low-power, small-footprint portable applications. It is a true single-chip solution that integrates two buck regulators, two linear regulators, two low-noise linear regulators, two push-pull switch controllers, two voltage level monitors, and an I2C serial interface for control, as well as an internal oscillator and frequency control circuitry for operation.The integrated I2C control interface allows for convenient programming and monitoring of all the above features, and this combination provides a powerful solution for portable applications such an audio player, a MID, a smartphone, and a digital still camera.

Working Principle

The MAX14693ETP+ PMIC works on the basis of voltage regulation. It integrates two buck regulators, two linear regulators, two low-noise linear regulators, and two push-pull switch controllers to provide efficient power management solutions in low-power, small-footprint, portable applications.

The buck regulators provide stepdown conversion of the input supply voltage, while the low-noise linear regulators are used to provide a clean power supply voltage for sensitive circuits such as A/D converters. The push-pull switch controllers are used to control the output voltage levels of the regulated power supplies. The MAX14693ETP+ also features two voltage level monitors that monitor voltage levels over the entire range of its input/output supply range.

The integrated I2C interface provides programming and monitoring of all its features, and internal oscillator and frequency control circuitry enable operation from a wide range of input voltages. In addition, the chip also features undervoltage and overvoltage protection circuitry to prevent damage to the device from undesired spikes and drops in the input supply.

Applications

The MAX14693ETP+ PMIC is designed for use in a wide range of low-power, small-footprint portable applications. It is ideal for audio players, MIDs, smartphones, digital still cameras, and other applications that require multi-output, low-power voltage regulation. The MAX14693ETP+ PMIC enables the supply of both clean power and ground voltages, and its combination of switches, voltage level monitors, and regulators provides efficient and accurate control of voltage levels throughout its input/output supply range.

It can be used in portable applications such as a mobile phone, a tablet, a laptop, a MP3 player, a digital still camera (DSC), an electronic reader device, or a video game system. Furthermore, the MAX14693ETP+ is compliant with low-power mobile standards such as the Smart Battery System (SBS) revision 1.2. The integrated I2C interface provides flexible control programmability and monitoring functions, while its under-voltage and over-voltage protection circuitry also make it suitable for automotive applications.

Conclusion

The MAX14693ETP+ PMIC is an integrated power management IC that provides enhanced power management solutions in low-power, small-footprint portable applications. It features two buck regulators, two linear regulators, two low-noise linear regulators, two push-pull switch controllers, two voltage level monitors, and an I2C serial interface for control, as well as an internal oscillator and frequency control circuitry for operation. Its combination of voltage level monitoring, voltage regulation and switch control features, together with its I2C programmability, make it an ideal solution for a wide range of portable applications.

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