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データシートサーチシステム |
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LC709501F データシート(PDF) 11 Page - ON Semiconductor |
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LC709501F データシート(HTML) 11 Page - ON Semiconductor |
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11 / 30 page  LC709501F www.onsemi.com 11 USB Support This device allows 2 or 3 USB ports for Power Bank application. The USB port functions will vary by writing of prepared Firmware. The Firmware is distinguished by the Firmware number which is called FW01, FW02, FW05, and FW06. FW01 (Planning) Micro-B input, Type-A output 2-ch, Quick Charge 3.0 HVDCP, Boost auto start-up, External Boost-IC, Portable device communication. Displays Power Bank battery information on smartphones. USB 2.0 Full Speed Host Controller. FW02 (Released) Micro-B input, Type-A output 2-ch, Quick Charge 3.0 HVDCP, Boost auto start-up, External Boost-IC. FW05 (Released) Type-C DRP, Type-A output, Quick Charge 3.0 HVDCP, Boost auto start-up, External Boost-IC. FW06 (Planning) Supports USB-PD The Relationship between the Firmware and the USB port functions is shown in Table 4 and Figures 6, 7, and 8. USB1+/ port of FW01/FW02 is a power sink. This port is an input for Buck charge. And it contains functions of BC1.2 and divided mode. USB2+/ port is a power source. This port is an output for Boost charge. Portable device communication and Quick Charge 3.0 are only enabled in USB2+/ port. Another power source that is Type-A (2) is boosted by an external Boost-IC. This device runs the Boost-IC when it detects the plug insertion to Type-A (2). USB1+/- port of FW05 is fully TCPCI compliant. It is capable of controlling BC1.2 as well up to external port control IC (for USB Type-C implementations). The port can be dual-role, upward- facing, or downward-facing. The firmware can be downloaded from the homepage of ON Semiconductor. Please refer to an application note for the writing tool. Buck charge mode: Built-in battery charging via USB. Boost charge mode: Charging the device from built-in battery via USB. Table 4 Firmware vs USB functions Firmware Ports Buck Charge Boost Charge USB Portable device Communication Quick Charge 3.0 HVDCP Divided Mode1-3 Boost auto start-up external Boost-IC FW01 (Planning) USB1+/USB1- Type-B USB2+/USB2- Type-A (1) Type-A (2) FW02 (Released) USB1+/USB1- Type-B USB2+/USB2- Type-A (1) Type-A (2) FW05 (Released) USB1+/USB1- Type-C DRP (Source mode) (Sink mode) (Note) Type-A (2) Note) Port control IC detects the Sink connection. Figure 6: The function of FW01 & FW02 |
同様の部品番号 - LC709501F |
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同様の説明 - LC709501F |
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