NX2139ACMTR

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The NX2139ACMTR is a dedicated linear plus switching power management integrated circuit (PMIC). It is designed for use as a multiple voltage regulator that can be used in a wide range of applications such as telephones, digital cameras, personal computers and other portable digital devices. The NX2139ACMTR houses a highly efficient linear regulator, a switch-mode regulator, a complete power-management system, several temperature monitors, and various protection features to provide a complete power solution to build the optimum DC power subsystem necessary in the device.

Application Field and Working Principle

The NX2139ACMTR is compatible with most applications and can be used in a wide range of applications, including small- and medium-sized CPUs, high-graphics chips, and even low-power RF/wireless applications. Additionally, due to its low power consumption and high efficiency, it is ideal for applications that require long battery life with high reliability. The NX2139ACMTR comes in a 5x6mm footprint, making it small enough for use in a variety of portable, battery-powered systems.

The NX2139ACMTR features an integrated linear regulator, rated at up to 5A, and a maximum output voltage of 19V. It uses a two-level multi-stage switching regulator that offers high efficiency over a wide range of input voltage. Its advanced power control architecture, seamless hot-swap power path, and 7-step dynamic DV/DT optimization ensure minimal distortion and maximum performance. It also includes a comprehensive set of protection features, such as overvoltage protection, undervoltage protection, thermal shutdown, undervoltage lockout, adjustable soft-start, and adjustableovercurrent protection. Furthermore, the NX2139ACMTR has a wide set of monitoring and control functions, such as external power good, remote power on/off, adjustable output voltage, and adjustable dynamic voltage/temperature (DVT).

In addition to its dynamic power management capabilities, the NX2139ACMTR is extremely easy to integrate into a system. It incorporates an easy-to-use I2C interface for programming its many features, as well as two pulse-width modulation (PWM) outputs for controlling load current and adjusting output voltage. The NX2139ACMTR is also designed for use with a power supply that has low off-state leakage, making it more efficient and reducing power consumption. With its high efficiency and wide dynamic range, the NX2139ACMTR is an ideal choice for applications for which power management and efficient operation are essential requirements.

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