LM5161QPWPTQ1

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The LM5161QPWPTQ1 is an integrated high voltage GaN (gallium nitride) driver capable of implementing high efficiency, high power, and high accuracy power solutions from a single package. Developed by Texas Instruments, it offers a fast switching speed, robust protection and reliable operation. Highly integrated, the LM5161QPWPTQ1 is well-suited for a variety of demanding applications such as LED lighting, point of load (POL) converters, and DC/DC conversion with fast current modulation. The LM5161QPWPTQ1 is a DC-DC switching regulator. It is versatile and also supports a wide input voltage range and output voltage range, allowing it to be used in a variety of different applications. The core component of the circuit is an integrated power switch called an HVIC (High Voltage IC) which features a low-side IGBT and an N-channel MOSFET. The HVIC charges and discharges the output capacitor for regulating the output voltage and will turn on and off the IGBT and MOSFET as needed.The power switch is controlled by a PWM controller, which continuously monitors the output voltage and adjusts the duty cycles accordingly. The PWM controller is equipped with a variety of protections such as programmable over-current, over-voltage, under-voltage and short-circuit protection. Additionally, the PWM controller provides diagnostics for operational status, fault events, temperature and transient events. The PWM controller can be programmed over the I2C interface or remotely via the signal pins. The LM5161QPWPTQ1 features a switching frequency of up to 2 MHz, allowing the power solutions to achieve higher efficiency with less component size and cost. The device has a maximum input voltage of 200V, a wide output range of 0.8 12V and a maximum output power of 70 W. Furthermore, it supports programmable soft start and level-shifting for improved system performance. The device offers very low EMI, resulting in reduced board noise and excellent EMC compliance.The LM5161QPWPTQ1 can be used in many different applications. It can be used as a buck or boost regulator, and it is well-suited for powering wide voltage range LEDs in systems such as automotive headlights, solar-powered lamps, or street lamps. It can also be used as a point of load (POL) regulator for powering FPGAs or ASICs, or as a general-purpose AC/DC converter in home appliances or automotive components. Overall the LM5161QPWPTQ1 is a powerful and versatile high voltage driver capable of providing high efficiency, high power, and high accuracy power solutions. With its wide input/output range and numerous protectors/diagnostics, the LM5161QPWPTQ1 is well-suited for a variety of demanding applications.

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