LB11970FV-TLM-E

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Power management integrated circuits (PMICs) are like microprocessors, but they are miniature integrated circuits (ICs) specifically designed to manage power efficiently in wired and wireless devices. PMICs play a key role in enabling end-user devices to be both power and performance optimized. LB11970FV-TLM-E is a P-channel MOS-FET driver IC, which belongs to PMIC\'s motor drivers, controllers. This article will discuss the application field and working principles of LB11970FV-TLM-E.

Application Field of LB11970FV-TLM-E

LB11970FV-TLM-E is usually applied to drive P-channel MOS-FET in various Load switching. A small portion of the applications that LB11970FV-TLM-E can be used for are gate driver for AC switching device, driving gate of power MOS-FET in DC/DC converters, and gate driver for P-channel MOS-FET in DC/DC converters. Specifically, it is applied to control AC switching and boost circuits, control AC/DC motors, and motor control circuits.

Working Principle of LB11970FV-TLM-E

LB11970FV-TLM-E uses charge pump circuit to control the P-channel MOS-FET and rotate motors at lower speed. It has built-in protection functions for overcurrent and over heat. For example, when the current is excessive, the output will be latched off to protect the rotor at that time. This IC also has built-in slope control that can quickly charge up to prevent over current - this will effectively reduce the motor noise. In addition, it has capabilities to prevent Motor Lock Syndrome as it has a thermal protection including Under/Over temperature protection, Overcurrent protection and UVLO (Under Voltage Lock Out).

To sum up, LB11970FV-TLM-E is a novel, advanced P-channel MOS-FET driver IC, which is applied to control AC switching and boost circuits, control AC/DC motors, and motor control circuits. It has many protection functions for over current, over heat and Motor Lock Syndrome, and also has built-in slope control that quickly charges up to reduce motor noise. The application field and working principle of LB11970FV-TLM-E have been introduced in this article.

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