[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"part:nxp:PCA9554":3},{"part":4,"mfr":19,"docs":25,"aliases":34,"alts":66,"breadcrumbs":67,"related":73,"more_from_mfr":136},{"id":5,"pn":6,"pn_norm":6,"series":7,"package":7,"lifecycle":8,"summary":9,"params":10,"features":14,"pins":7,"updated_at":15,"category_name":16,"category_name_en":17,"category_path":18},14561,"PCA9554",null,"active","_9554A",[11],[12,13],"输入电压","2.3 ~ 5.5 V",[],"2026-10-10T13:01:01.608Z","I2C \u002F SPI \u002F IO 扩展","I2C \u002F SPI \u002F IO Expanders","interface.i2c",{"slug":20,"name_en":21,"name_cn":22,"website":23,"is_domestic":24},"nxp","NXP","恩智浦","https:\u002F\u002Fwww.nxp.com",false,[26],{"id":5,"filename":27,"title":28,"pages":29,"size_bytes":30,"lang":7,"doc_version":7,"published_at":7,"role":31,"outline_count":32,"thumb":33},"NXP-PCA9554.pdf","PCA9554_9554A",35,610798,"datasheet",41,"\u002Fthumbs\u002Fe2\u002F67\u002Fe2673ae7e72c9e3d23ac5e83aad870595863e238d3ab76bd1c0cc124e62e8917.jpg",[35,38,40,42,44,46,48,50,52,54,56,58,60,62,64],{"alias_norm":36,"kind":37},"PCA9554A","order",{"alias_norm":39,"kind":37},"PCA9554ABS",{"alias_norm":41,"kind":37},"PCA9554ABS3",{"alias_norm":43,"kind":37},"PCA9554AD",{"alias_norm":45,"kind":37},"PCA9554ADB",{"alias_norm":47,"kind":37},"PCA9554APW",{"alias_norm":49,"kind":37},"PCA9554ATS",{"alias_norm":51,"kind":37},"PCA9554BS",{"alias_norm":53,"kind":37},"PCA9554BS3",{"alias_norm":55,"kind":37},"PCA9554D",{"alias_norm":57,"kind":37},"PCA9554DB",{"alias_norm":59,"kind":37},"PCA9554PW",{"alias_norm":61,"kind":37},"PCA9554PWQ900",{"alias_norm":63,"kind":37},"PCA9554TS",{"alias_norm":65,"kind":37},"PCA9554U",[],[68,72],{"name":69,"name_en":70,"path":71},"接口芯片","Interface","interface",{"name":16,"name_en":17,"path":18},[74,77,81,84,87,90,93,96,99,102,105,108,112,116,119,122,125,128,131,133],{"pn_display":75,"pn_norm":75,"package":7,"summary":76},"PCA9306","Dual bidirectional I2C-bus and SMBus voltage-level data sheet",{"pn_display":78,"pn_norm":78,"package":79,"summary":80},"PCA9410","WLCSP9","\u002F9410A 3.0 MHz, 500 mA, DC-to-DC boost converter",{"pn_display":82,"pn_norm":82,"package":79,"summary":83},"PCA9411","PCA9411A 3.0 MHz, 500 mA, DC-to-DC boost converter",{"pn_display":85,"pn_norm":85,"package":79,"summary":86},"PCA9412","PCA9412A",{"pn_display":88,"pn_norm":88,"package":7,"summary":89},"PCA9420","Power management IC for low-power microcontroller applications data sheet",{"pn_display":91,"pn_norm":91,"package":92,"summary":89},"PCA9421","SOT905-1",{"pn_display":94,"pn_norm":94,"package":7,"summary":95},"PCA9450","Power management IC for i.MX 8M application processor family data sheet",{"pn_display":97,"pn_norm":97,"package":7,"summary":98},"PCA9452","Power management IC for i.MX 93 application data sheet",{"pn_display":100,"pn_norm":100,"package":7,"summary":101},"PCA9460","13-channel power management integrated circuit (PMIC) for ultra-low power applications",{"pn_display":103,"pn_norm":103,"package":7,"summary":104},"PCA9500","8-bit I2C-bus and SMBus I\u002FO port with 2-kbit EEPROM",{"pn_display":106,"pn_norm":106,"package":7,"summary":107},"PCA9501","8-bit I2C-bus and SMBus I\u002FO port with interrupt, 2-kbit EEPROM and 6 address pins",{"pn_display":109,"pn_norm":109,"package":110,"summary":111},"PCA9502","SOT616-3","8-bit I\u002FO expander with I2C-bus\u002FSPI interface",{"pn_display":113,"pn_norm":113,"package":114,"summary":115},"PCA9504A","TSSOP56","Glue chip 4",{"pn_display":117,"pn_norm":117,"package":7,"summary":118},"PCA9505","40-bit I2C-bus I\u002FO port with RESET, OE and INT",{"pn_display":120,"pn_norm":121,"package":7,"summary":118},"PCA9505-PCA9506","PCA9505PCA9506",{"pn_display":123,"pn_norm":123,"package":7,"summary":124},"PCA9507","2-wire serial bus extender for HDMI DDC I2C-bus and SMBus",{"pn_display":126,"pn_norm":126,"package":7,"summary":127},"PCA9508","Hot swappable level translating I2C-bus repeater",{"pn_display":129,"pn_norm":129,"package":7,"summary":130},"PCA9509","Level translating I2C-bus\u002FSMBus repeater",{"pn_display":132,"pn_norm":132,"package":7,"summary":7},"PCA9509A",{"pn_display":134,"pn_norm":134,"package":7,"summary":135},"PCA9509P","Low Power Level Translating I2C-Bus\u002FSMBus Repeater",[137,140,143,146,149,152,154,157,160,163,166],{"pn_display":138,"pn_norm":138,"summary":139},"PCT2202","Ultra low power, 1.8 V, 1 deg. C accuracy, digital temperature sensor with I2C-bus interface",{"pn_display":141,"pn_norm":141,"summary":142},"A5000","EdgeLock Secure Authenticator",{"pn_display":144,"pn_norm":144,"summary":145},"A71CH","4493x_A71CH_SDS.fm",{"pn_display":147,"pn_norm":147,"summary":148},"MC44722A","_ct.0.05-48VQFP (42 of 42)",{"pn_display":150,"pn_norm":150,"summary":151},"MPC8610EC","MPC8610 Integrated Host Processor Hardware Specifications",{"pn_display":153,"pn_norm":153,"summary":7},"MWCT2XX2A",{"pn_display":155,"pn_norm":155,"summary":156},"PCA6408A","Low-voltage, 8-bit I2C-bus and SMBus I\u002FO expander with interrupt output, reset, and configuration registers",{"pn_display":158,"pn_norm":158,"summary":159},"PCA85073A","Automotive Tiny Real-Time Clock\u002FCalendar with Alarm Function and I2C-Bus",{"pn_display":161,"pn_norm":161,"summary":162},"PCA9517","Level translating I2C-bus repeater",{"pn_display":164,"pn_norm":164,"summary":165},"PCA9531","8-bit I2C-bus LED dimmer",{"pn_display":167,"pn_norm":167,"summary":168},"PCA9538","8-bit I2C-bus and SMBus Low-Power I\u002FO Port with Interrupt and Reset"]