MP2637AGR-Z

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The MP2637AGR-Z is a highly efficient switching DC to DC battery charger. It is part of the family of DC to DC battery chargers by Monolithic Power Systems (MPS). This type of battery charger is used to charge consumer electronics, including portable devices such as cellular phones, tablets and laptop computers.

In addition to consumer electronics, these chargers are also used in industrial, medical and automotive applications. The MP2637AGR-Z is an advanced monolithic step-down converter with a high-density switching power stage and high-efficiency integrated control circuitry. It can be used to provide power to small batteries or as an input regulator.

The MP2637AGR-Z has adjustable switching frequency and input voltage range up to 20V. It features an adjustable constant current charging mode, which makes it suitable for a wide variety of battery sizes and chemistries. It also has built-in protections against overtemperature, overcurrent, and short-circuit conditions. The device has a low external component count and is designed to minimize EMI/RFI noise.

The working principle of the MP2637AGR-Z is very simple. When power is applied to the device, its internal PWM-based control circuitry begins to regulate the output voltage. The switching frequency and output voltage are adjusted by adjusting the current sense resistor or external feedback network. The internal current limiting circuit ensures that the battery does not overcharge, and the overvoltage protection circuitry prevents damage to the device if the voltage exceeds its limits.

The MP2637AGR-Z has a wide range of applications, including portable devices such as phones, tablets, and laptops. It can also be used in industrial and medical applications such as solar charge controllers, tool and equipment chargers, UPS systems, and biomedical instruments. It is an ideal choice for charging small batteries due to its low external component count, high efficiency and low EMI/RFI noise.

The MP2637AGR-Z is a cost-effective and efficient battery charger, designed to meet the power requirements of a wide range of applications. Its adjustable switching frequency and input voltage range enable it to charge a variety of cell chemistries, while its low external component count and high efficiency ensure efficient charging. Its built-in protections and low EMI/RFI noise make it a safe and reliable choice for charging max-amps small batteries.

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