Texas Instruments UCC2813PWTR-2 Low-Power BiCMOS Current-Mode PWM Controller

The Texas Instruments UCC2813PWTR-2 is a versatile and efficient low-power pulse-width modulation (PWM) controller integrated circuit, designed to meet the demands of a wide range of power supply applications. This device is part of the UCC2813-x series, which are BiCMOS current-mode PWM controllers that offer lower power consumption and improved speed compared to their predecessors.

Featuring a trimmed oscillator for precise duty cycle control, a temperature-compensated reference, high-gain error amplifier, current sensing comparator, and a high-current totem-pole output ideally suited for driving a power MOSFET, the UCC2813PWTR-2 boasts an impressive array of features that enhance its performance in power conversion tasks.

The UCC2813PWTR-2 operates at a fixed frequency that can be programmed by the user with external components and has an operational range that can accommodate a variety of applications. The device's low startup and operating currents make it an excellent choice for use in battery-powered devices, where power efficiency is crucial.

This PWM controller also includes protective features such as under-voltage lockout (UVLO), which ensures that the device only operates when the supply voltage is within an acceptable range, and automatic shutdown capabilities to protect against system faults. Its robust design ensures reliable operation even under challenging conditions, making it a preferred component for power supply designers.

The UCC2813PWTR-2 comes in a TSSOP-14 package, which is compact and suitable for space-constrained applications. Its surface-mount design allows for efficient assembly in automated manufacturing processes, reducing production time and cost.

In summary, the UCC2813PWTR-2 from Texas Instruments is a high-performance, feature-rich PWM controller that offers efficiency and reliability for a variety of power management applications. Its adaptability and protective features make it an ideal choice for engineers looking to design robust power supplies.