The SN6501QDBVRQ1 is an auto-transformer power management interface controller from Texas Instruments. This device enables the efficient control of the incoming AC voltage. It helps to reduce overall power consumption by adjusting the operating voltage of the system as per requirement. It supports a wide range of input voltages ranging from 85VAC to 265VAC. It also supports a wide range of output voltages from 1.2V to 5.5V. The SN6501QDBVRQ1 is suitable for a variety of applications, such as motor control, lighting control, uninterruptible power supply systems (UPSs), and more. It features over-temperature protection and an integrated soft-start circuit to reduce inrush current. The device also offers high efficiency, low power dissipation, and robust EMI and safety performance.