MCP19115T-E/MQ

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The MCP19115T-E/MQ is a fixed frequency analog current mode, high-voltage transistor gate driver, and DC-DC switching controller. It is a specialized power management integrated circuit (PMIC) designed for input voltage range of 4.5V to 76V, and output voltage and current rating of up to 35V and 4A, respectively. This powerful PMIC is ideal for applications such as automotive, industrial, IoT, and telecom.

The MCP19115T-E/MQ features several exceptional features, including an adjustable frequency oscillator with slow start function, adjustable dead time, and adjustable soft-start current limit enable options. Not only that, this configurable IC comes with comprehensive protection features, including undervoltage protection, overvoltage protection, short-circuit protection, overcurrent protection and thermal overload protection. The MCP19115T-E/MQ can easily integrate with most existing PWM switching controllers and is the perfect choice for adjustable current or voltage applications.

The MCP19115T-E/MQ DC-DC switching controller is a configurable version of the MCP19115T-E. It operates at a switching frequency of up to 400kHz, and is perfect for adjustable current or voltage applications. The configurable parameters allow for improved output voltage accuracy and system performance, which makes this device ideal for power converters, lighting and motor control applications. The MCP19115T-E/MQ provides programmable over-voltage and under-voltage protection, and is also equipped with an adjustable soft start current limit enable option.

The basic functioning of the MCP19115T-E/MQ DC-DC switching controller is simple. It regulates the output voltage of a buck or boost converter based on the voltage or current of the input power source. The controller senses the input voltage or current and drives the respective internal switches to regulate the output voltage according to a predetermined level. If the external load varies, the controller will sense the load variation and drive the internal switches accordingly to maintain the desired output voltage.

The MCP19115T-E/MQ features outstanding area and cost efficiency as compared to analog solutions. Temperature sensing and overvoltage protection can be implemented in one device, thus eliminating the need for external components such as optocouplers or comparators. The adjustable parameters allow for improved output voltage accuracy, which further reduces external component count. Additionally, the device features very low RDSON (1.75 mΩ max) and exceptionally high current drive capabilities (4A) ensuring high efficiency and excellent system performance.

In conclusion, the MCP19115T-E/MQ is a highly specialized power management integrated circuit (PMIC) developed by Microchip’s Voltage Regulators product family. This powerful DC-DC switching controller is capable of operating at a maximum switching frequency of 400kHz and provides exceptional performance, making it ideal for automotive, industrial, IoT, and telecom applications. The adjustable frequency oscillator, adjustable dead time, and adjustable soft-start current limit enable options make it easy to configure the MCP19115T-E/MQ for your specific application. Its outstanding area and cost efficiency eliminates the need for additional external components and its adjustable parameters ensure improved system performance.

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