This reference design uses the TPS40210 current mode controller in a SEPIC converter to regulate either the input current or an approximation of input power to charge a high energy storage capacitor bank at 35V.
Tech Support PWM Controllers This family of current mode PWM controllers operate at up to 500kHz, have 1A totem pole output, and no cross-conduction current.
The STR5A460 Series is power ICs for switching power supplies, incorporating a MOSFET and a current mode PWM controller IC for non-isolated Buck converter and Inverting converter topologies.
The design of power supply sections for all powered devices can be greatly simplified with the PM880x family, integrating a PoE interface and a current-mode PWM controller.
The UCC27223EVM is a high efficiency, synchronous buck converter providing a variable output between 0.9V and 1.8V at up to 20A from a 5V input. The module uses the UCC27223 high-efficiency predictive synchronous buck driver with enable, along with the UCC3803 low-power BiCMOS current-mode PWM controller for demonstrating the Predictive Gate Drive (PGD) technique. Several advanced TI design and packaging technologies are used, providing the highest possible efficiency from step-down converters. Configured for voltage-mode control, UCC27223EVM operates at 500kHz with a peak efficiency of 92% and a full load efficiency over 86% for Vout = 1.8V. The addition of the UCC27223's start-up and ENABLE features allow the EVM to start up the pre-biased supply or run in a low-power disabled mode by grounding a single pin. In this disabled mode, the EVM draws only 7mA of current at 5V and produces a floating output allowing the pre-bias to return to the output and wait for the release of the ENABLE pin.
Os exemplos servem apenas como ajuda na tradução da palavra ou da expressão procurada. Eles não são selecionados ou validados por nós e podem conter linguagem inapropriada. Pedimos que reporte exemplos que devem ser modificados ou que não devem ser exibidos. As traduções potencialmente sensivéis, impróprias ou coloquiais geralmente são marcadas em vermelho ou em laranja.