MP2144GJ-ZX

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Power Management Integrated Circuits (PMICs) are specially designed semiconductor devices that offer the perfect combination of low cost, ease-of-use, and higher efficiency than other power supply solutions. PMICs come in various different topologies, including voltage regulators, DC to DC switching regulators, and power converters. One such PMIC that is gaining popularity is the MP2144GJ-ZX voltage regulator.The MP2144GJ-ZX is specifically designed for Buck switching regulator applications and can provide up to 3A of output current with an adjustable output voltage range of 0.825V to 5.0V. It performs best at 4.5V input voltage and covers the load regulation range from 0.8A to 2.6A. The MP2144GJ-ZX also features a built-in 50mV current limit and built-in Soft-Start functionality that is programmable from a minimum of 11.2ms up to 1.35 seconds.

This PMIC is designed with pre-bias start-up capability, wide input voltage range, and low quiescent current, making it a perfect fit for single-phase, high-current applications such as system power supplies, PoE ports, and power adapters. Its low quiescent current of just 35uA makes the MP2144GJ-ZX an energy efficient, long-lasting and reliable device. Its low input capacitance and robust output filter also improve the noise immunity and EMI performance.

The MP2144GJ-ZX is also incredibly easy to use as it comes with a comprehensive set of pin-compatible programs built into the IC, which allow the user to quickly program the desired parameters. The programming is also simple and fast thanks to the continuous phase-mode control, allowing a completely symmetrical waveform, making it ideal for high efficiency applications.

At the heart of the MP2144GJ-ZX is a full H-bridge Buck switching regulator. This architecture uses a pair of synchronous MOSFETs connected in an H-bridge configuration, in order to step-down an input voltage to a desired output voltage; the switching action is controlled by the duty cycle set by the system clock. The MP2144GJ-ZX also utilizes a transconductance amplifier and comparators to regulate the output voltage by sensing and feeding back the output voltage to the error amplifier circuitry.

When the output voltage deviates from the desired voltage, the error amplifier will create a differential voltage in order to adjust the duty cycle of the input source, and thus the output voltage. The transconductance amplifier then amplifies the external current sense resistor voltage, which is proportional to the output current. This is then used to adjust the peak current limit. This ensures that the device operates within the required safety limits for both the input and output voltages.

Overall, the MP2144GJ-ZX DC to DC switching regulator is a versatile and powerful PMIC, perfect for applications such as system power supplies, PoE ports, and power adapters. It is incredibly efficient and easy to use, and its pre-bias start-up allows it to handle wide input voltage ranges with low quiescent current and noise immunity, whilst still delivering up to 3A of output current with built-in 50mV current limit.

The specific data is subject to PDF, and the above content is for reference