This is the LAPIS Technology's technical information site for engineers on 13.56 MHz (NFC) wireless charging chip set. In this contents, documents such as data sheets, instruction manuals on 13.56 MHz (NFC) wireless charging chip set can be downloaded.
(As a ROHM Group company, a principal member of the NFC Forum, LAPIS Technology has actively involved in the standardization of 13.56 MHz wireless charging suited for ultra-compact wireless charging system.)
LSI related documents
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Evaluation kit related documents
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Frequently Asked Questions (FAQ)
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- QDoes the charging method conform with the standards?
- AThis is our original method and does not conform with the standards.
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- QHow much is the antenna distance?
- AAbout 5 mm depending on matching level and the amount of charging.
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- QIs the NFC Tag writable?
- AIt is read-only. Any data will be written at shipment.
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- QDoes ML7630 need a power supply?
- ANot needed.
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- QCan ML7631 communicate with other NFC devices such as IC card?
- ANo, it cannot. ML7631 is designed to communicate only with ML7630.
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- QIf any other IC cards entered, does ML7631 mistakenly charging wirelessly?
- ANo, it does not. ML7631 starts charging only after it recognizes ML7630.
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