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News
TI introduces industry‘s highest current 40-A, 16-Vin converter
2016-05-31 | ReturnThe TPS548D22 DC/DC converter employs the D-CAP3™ control-mode topology, features 0.5 percent reference-voltage accuracy over temperature, and includes true differential remote-voltage sensing to meet voltage requirements of deep submicron processors. Read the blog post, "Using converters in high-current, point-of-load applications."
TPS548D22 key features and benefits
。Integrated 2.9/1.2 milli-ohm high-/low-side RDS(ON) power MOSFETs increase power density and system reliability.
。True differential remote-voltage sensing improves load regulation for overall system accuracy.
。The easy to use D-CAP3 adaptive on-time control mode provides high accuracy and very fast load-transient response and requires no loop compensation, which simplifies design and minimizes external component count. Read the application note, "Accuracy-Enhanced Ramp-Generation Design for D-CAP3 Modulation," for more information on the value of D-CAP3 control mode.
。PowerStack quad flat no-lead (QFN) packaging offers very high power density and allows easy heat sinking from the single ground pad on the bottom of the integrated circuit (IC) into the internal printed circuit board ground layers with very few vias.
。Other features that help ensure predictable and reliable operation include internal soft start, input undervoltage protection and thermal shutdown.
The TPS548D22 is the first in a family of 40-A converters to join TI's high-current DC/DC SWIFT product portfolio. To determine if a converter with integrated MOSFETs is right for your point-of-load power-supply design, watch the video, "Point-of-Load Power Supplies: Converters or Controllers?" Start a design with the TPS548D22 now: download the Power System for Enterprise Ethernet Switches Reference Design and TPS548D22 quick-start design tool.
Availability, packaging and pricing
Available in volume now from TI and its authorized distributors, the TPS548D22 is packaged in a 40-pin, 5-mm by 7-mm by 1.5-mm PowerStack QFN package and priced at US$4.19 in 1,000-unit quantities. Order the TPS548D22EVM-784 evaluation module.
Source:http://www.ti.com/