UDN2982A

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UDN2982A is a PMIC (power management integrated circuit) device used to provide power distribution and control, load driving, and signal conditioning circuit applications. It is designed to be highly efficient and reliable, and provides improved performance and flexibility for a wide range of applications such as industrial automation, process control, motor control and renewable energy. The UDN2982A offers a wide range of features, including four separate channels, independently controlled output currents, and overvoltage and overcurrent protection.

The UDN2982A is a power distribution switch and load driver. It is designed to provide power control and current sensing to increase system reliability and efficiency. It uses two high-side FET switches to control the output power, providing up to 4A of output current at 24V input, and up to 2.5A at 12V input. The switching frequency can be adjusted to reduce system noise and capacitive load losses. The output current is monitored and controlled accurately by an on-board current mirror, with a minimum current measurement range of 1A.

The UDN2982A also provides overvoltage and overcurrent protection. It uses two independent, programmable overvoltage protection circuits to monitor the VCC and VIN supply, and provides automatic shutdown of the output stage. An overcurrent protection circuit is also provided to protect the device and load from excessive current. The overvoltage and overcurrent detection levels are fully adjustable, allowing the user to set the desired safety thresholds for their application.

The UDN2982A features a wide input voltage range, from 8 to 25V. This makes it suitable for a variety of applications, such as motor drives, renewable energy systems, industrial automation, automotive, and more. It also integrates an integrated EMC filter to reduce system noise significantly. The on-chip EEPROM can be used to store system settings, such as switching frequency, current sense threshold and other parameters that can be updated through an easy-to-use SPI interface.

The UDN2982A has a wide range of applications, providing efficient and reliable power distribution and control, load driving, and signal conditioning. It can be used in applications such as motor drives, industrial automation, renewable energy, and automotive. Its overvoltage and overcurrent protection, as well as its wide input voltage range, make it well suited for a variety of applications.

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