IR предлагает супервизор для контроля в реальном времени DC-DC преобразователей


IR3721 изготовлена по фирменной [[технологии TruePower™]], позволяет в реальном времени, с точностью 2.5% при 65°C, контролировать напряжение на входе и выходе DC-DC преобразователей, используемых в ноутбуках, настольных компьютерах и экономичных серверах [англ.]

The IR3721 measures dynamic power at the output/load side of voltage regulators to deliver a significant improvement in dynamic power measurement accuracy compared to competing power monitor ICs.

TruePower™ technology addresses dynamic errors which can account for more than a 30 percent error in competing solutions which monitor voltage and current separately in dynamic conditions with independent A/D conversion.

The IR3721 IC monitors the output filter inductor current in buck or multiphase converters from 0.5V to 1.8V and provides the options of using resistive sensing or inductor DCR current sensing with an internal thermal compensation feature to achieve one percent higher efficiency compared to existing solutions while reducing bill of materials and board size requirements.

Availability and Pricing

Available in a 10-pin DFN lead-free package, pricing for the IR3721MTRPBF devices begins at US$0.95 each in 10,000-unit quantities. Production orders are available immediately. The devices are RoHS compliant and prices are subject to change.

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