UCC2946PWTRG4

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The UCC2946PWTRG4 is a high-performance, low-cost low-side controller from Texas Instruments, which is designed to work with high-side MOSFETs or IGBTs to provide fast and efficient control of power switching circuits. The UCC2946PWTRG4 is an improved version of the UCC2946 family, providing improved performance and functionality, as well as low power or low current operation.

The UCC2946PWTRG4 is designed to serve as a supervisor in a switching power conversion system. It provides detection of any fault conditions, such as disconnection of the main bus, overcurrent, undervoltage, and overvoltage, as well as short circuit detection. Its output is a logic-level signal with both active high and active low capabilities, and can trigger an external driver to turn off the power rail in case of emergencies.

The UCC2946PWTRG4 can detect input voltage level ranging from 4.5V to 32V. It provides an adjustable threshold voltage of 4.5V to 28V, and an adjustable hysteresis of 50mV to 950mV. The device offers a programmable time-out delay ranging from 1ms to1500ms, allowing it to detect inrush current and protect the power supply from overstressing. The device has a wide common-mode voltage range, integrated EMI filter, and excellent ESD performance.

The UCC2946PWTRG4 is designed to be used in equipment where the input voltage varies, such as medical and telecommunications. It is suitable for SOLAR converters, point-of-load (POL) converters, switching power supplies, motor drives, AC/DC converters, and other power switch applications. The device is also suitable for non-lifecycle-controlled applications, since the device does not have a transition time.

The UCC2946PWTRG4 can be used in a wide variety of applications, due to its high performance and robustness. The device is designed to monitor the input voltage level and output a logic-level signal if the conditions exceed the user thresholds. Upon detection of any fault conditions, the device will trigger a warning or shut-off signal. This enables the device to detect excessive input current and provide overcurrent protection, as well as protect against excessive heat or thermal overloads.

The UCC2946PWTRG4 can operate in a wide variety of temperature and humidity ranges, giving it the capability to operate in critical temperature ranges required for safety and reliability. Its EMI filter reduces the effects of EMI in sensitive systems, making it suitable for use in medical and industrial applications. The device also features low current consumption and fast-startup time, allowing for quick response time in the event of a fault.

The UCC2946PWTRG4 is a high-performance, low-cost supervisor that provides reliable, durable power supplies and faster response times. It can be used in a wide variety of applications, including medical, telecommunications, and industrial. Its adjustable timeout delay, wide input range, adjustable threshold voltage, integrated EMI filter, and excellent ESD performance make it an ideal choice for power conversion applications.

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