MIC2202-1.5BMM-TR

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DC-DC switching regulators are power management integrated circuits (PMICs) that regulate voltage by converting a DC voltage from one value to another. MIC2202-1.5BMM-TR is a type of DC-DC switching regulator manufactured by Microchip. It is designed for mobile and high-performance applications, featuring low quiescent current and a high switching frequency, making it a suitable choice for battery-operated equipment. In this article, we will discuss the application and working principle of MIC2202-1.5BMM-TR.

The MIC2202-1.5BMM-TR is designed to be used in power supply and battery charging applications. It is capable of providing a stable output voltage, even when the input voltage or load current changes. It is specifically designed to operate with low input voltage, ranging from 2.5V to 5.5V, making it suitable for mobile and other portable electronic devices. It has an integrated low dropout regulator (LDO), which allows it to maintain a tight voltage regulation even at low input voltage. This DC-DC regulator also features over-temperature protection and adjustable soft-start. It is available in a 10 pin MSOP-10 package.

The MIC2202-1.5BMM-TR is an integrated switching regulator, combining two distinct functions onto a single IC. The first is a voltage converter, which converts the input voltage from one level to another, and the second is a voltage regulator, which regulates the output voltage at a desired level, regardless of fluctuations in the input voltage or changes in the load current. The regulation is achieved by controlling the duty cycle of the regulator\'s switching transistor, or power switch. The power switch is turned on and off in discrete periods, or cycles, with each cycle having a fixed period. The ratio of on-time to off-time, or duty cycle, determines the average output voltage.

The MIC2202-1.5BMM-TR offers a wide range of adjustable output voltage which ranges from 0.6V to 1.5V. The output voltage is set by a resistor divider network connected to the ADJ pin. It also has a PROG pin, which can be used to adjust the switching frequency. The switching frequency can be set from 300kHz to 2MHz. The MIC2202-1.5BMM-TR supports a wide range of operating conditions, with an operating temperature range from -40°C to +125°C. It also has an integrated thermal shut-down feature to protect the IC from excessive temperatures.

The MIC2202-1.5BMM-TR is a highly efficient DC-DC regulator. It has a low quiescent current of 190µA, and is capable of delivering up to 1.5A of current. With a high switching frequency of 2MHz, the device is able to achieve a switching efficiency of up to 97%. It has a heat dissipation range of -45°C to +85°C and a maximum operating junction temperature range of +150°C.

In summary, the MIC2202-1.5BMM-TR is a highly efficient DC-DC switching regulator specifically designed for power supply and battery charging applications. Its integrated low dropout regulator (LDO) and adjustable soft-start features make it particularly suitable for mobile and other portable electronic devices. Its wide input voltage range and adjustable output voltage, combined with its high switching efficiency and low quiescent current, make it an optimal power solution for a variety of applications.

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