LP5912DRV18EVM

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The LP5912DRV18EVM is an evaluation board created to bring out the performance capabilities of the LP5912 DC-DC boost converter in a fully assembled and tested platform. This board works by taking an input voltage of 1.8V to 5.5V and boosting the voltage to 9.3V at a current of 150mA. This board is the perfect evaluation platform for power engineers working with the LP5912 boost converter as it allows them to quickly debug their projects in a fast and effective manner.

The LP5912DRV18EVM is a member of the Linear Voltage Regulators family of evaluation boards. This family of boards can come in a variety of forms, such as low-dropout (LDO) regulators, switching regulators, and boost converting regulators. In this particular application, the LP5912DRV18EVM is a boost converter, meaning that it can take a lower DC input voltage and step it up to a higher voltage output. It also features an adjustable output voltage via an internal programmable control pin, allowing the user to fine-tune the output voltage of the board.

The LP5912DRV18EVM works by first rectifying the input voltage using the board’s onboard low-BOM Schottky diode, D1. This rectified voltage is then applied to an inductor, L1, where it is stored magnetically. This inductor is then used to generate the output voltage, which is regulated via the board’s onboard error amplifier, U1. U1 controls the switching speed of an n-channel MOSFET, Q1, and by manipulating the PWM signal, it allows for precise control of the inductors current. The voltage applied to the load is also monitored by U1 to ensure that it stays within the desired output range. If the voltage drops out of the set threshold, the error amplifier then sends a signal to the MOSFET to close, which forces the inductor to discharge the input voltage directly to the load.

The LP5912DRV18EVM can be used in a wide variety of applications, from Raspberry Pis to tiny computers and any other system requiring an optimized power solution. Additionally, the high efficiency of the LP5912DRV18EVM, combined with the adjustable output voltage, makes the board ideal for systems with power-consuming microprocessors, where precise control of the power rails is critical for device performance. With its advanced features and wide range of applications, the LP5912DRV18EVM is a great choice for smart device design, prototyping, and development.

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