LM5110-1SDX

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The LM5110-1SDX is a high-speed gate drive from Texas Instruments that takes a low-level, logic-level input and translates it into high level voltage and current outputs for controlling a wide range of power components. In applications for motor, solenoid, and switch-on customization and control, the LM5110-1SDX serves as the bridge between low-level logic circuits and high-voltage and current-control power devices. As a PMIC - Gate Drive, it helps to reduce board area and component count, by combining multiple function blocks into a single package or device.

The device is designed to drive the gates of various MOSFETs, such as N- or P-channel, Si, SiC, or GaN, as well as IGBTs and insulated gate bipolar transistors (IGBTs). The LM5110-1SDX provides gate voltages up to 28V and gate currents up to 12A, which is sufficient to drive both N-channel and P-channel MOSFETs capable of switching currents up to 25A. The device can also provide a series of protection features, including reverse block, an adjustable maximum current limit, programmable dead-time control, and low-shift errors.

The LM5110-1SDX\'s core is based on the SMPSPAL driver, a platform designed to support the development of isolated and non-isolated power applications. The module supports a wide range of input voltages and can be tailored to provide the exact voltage desired by the application. It also supports integrated fault protection and user programmable configured current limits, along with digital control of many of the features. All of these features can be programmed via software, making it extremely versatile.

The LM5110-1SDX integrates a high-voltage gate-driver into a single package and is powered by a dedicated logic supply. The logic supply provides the necessary voltage, frequency, and current for the device to operate. The device, in turn, uses this logic supply to provide a highly efficient, high-performance gate drive for power devices. Gate drive signals from the device are typically provided in both positive and negative polarities, allowing it to control both N-channel and P-channel MOSFETs as well as IGBTs. The device also supports a variety of protection features, ensures reliable operation over wide temperature ranges, and is designed to minimize EMI.

The LM5110-1SDX is a highly integrated, highly reliable gate-drive solution that is well-suited for a variety of motor, solenoid, and switch-on customization and control applications. The device is easy to implement, reduces the need for additional support components, and helps to minimize the space required on the printed circuit board. By combining multiple devices into a single package, the LM5110-1SDX helps reduce the overall component count and cost, thereby increasing the efficiency and performance of the system.

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