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, an associate 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.)
Introducing the ML763x/ML766x, a 13.56HMz wireless charging LSI solution.
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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 10mm 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 the LSI for receiving power need a power supply?
- ANot needed.
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- QCan the power transmission LSI communicate with other NFC devices such as IC cards?
- ANo, it cannot.ML7661 is designed to communicate only with ML7660 and ML7631 with ML7630.
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- QDoesn't the power transmission LSI wirelessly supply power by mistake when another IC card comes in?
- ANo, it does not.ML7661 will recognize ML7660 and ML7631 will recognize ML7630 before starting to supply power.
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