LV8702V-MPB-H

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Power Management Integrated Circuits (PMICs) are a vital component of any electronic system. They provide control of the power supplied to various parts of an electronic system and ensure that it is used efficiently and safely. This article will focus on the LV8702V-MPB-H, a popular power management IC which can be used in motor drivers and controllers.

The LV8702V-MPB-H is a DC-DC synchronous buck converter with a voltage range of 4.5–14V and a current range of up to 5A. It has a simple 3-pin package and can be used for a variety of applications, such as motor drivers and controllers. It is particularly well-suited for applications where high efficiency, fast transient response and low EMI (Electromagnetic Interference) are important.

The LV8702V-MPB-H has several distinct features which make it attractive to use in motor driver applications. It has an integrated low-side gate driver, allowing it to drive an external N-FET, in addition to the integrated high-side FET. This allows the user to control different parts of the load separately. For example, the high-side FET can be used to control the motor’s speed while the low-side FET can be used to control the direction of the motor. It also includes an adjustable soft start circuit which can reduce the inrush current, reducing the required external components and avoiding high peak current in the system.

Another attractive feature of the LV8702V-MPB-H is its built-in protection functions. It has over-current protection and short-circuit protection built in, which can protect the system from potentially damaging overload. It also has an integrated temperature sensor which can be used to monitor the temperature of the IC and trigger an over-temperature protection if needed. This allows the user to protect the motor from potential damage due to overheating.

The LV8702V-MPB-H also has several features which make it attractive for use in motor controllers. It offers a selection of sleep-modes which can be used to reduce the power consumption of the IC when the motor is not in use. In addition, it offers an adjustable switching frequency up to 2.0Mhz, allowing the user to control the speed of the motor precisely. Finally, it can also be used to control external MOSFETs and run motors in brushless or brushed configurations.

In summary, the LV8702V-MPB-H is a popular DC-DC synchronous buck converter which can be used in motor drivers and controllers. It has an integrated low-side gate driver, adjustable soft start circuit, protection functions and adjustable switching frequency, making it an attractive option for many motor applications. Its low pin count and flexibility make it a perfect solution for applications where high efficiency and fast transient response are important.

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