Power Electronics / Power Management


Rugged buck converter

29 May 2019 Power Electronics / Power Management

The LM5164 from Texas Instruments is a 100 V, 1 A synchronous DC-DC buck converter. Used in conjunction with TI’s WEBENCH Power Designer, this wide-input-voltage device can be used to reduce board space in rugged battery-powered industrial and automotive power supplies.

The device consumes ultra-low quiescent current, features a constant on-time (COT) control architecture and integrates high- and low-side power MOSFETs. It operates from a wide input voltage of 6 V to 100 V and delivers up to a 1 A DC load current. The COT architecture requires no external compensation, while an internal VCC bias supply and bootstrap diode eliminate an additional capacitor.

The automotive-grade LM5164-Q1 is also available.



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