component
SI522A
Public Made by Adomby adom
Nanjing Zhongke Microelectronics RFID ICs, QFN-32-EP(5x5). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+261−8@@ -1,13 +1,271 @@ {+ "schema_version": 1,+ "type": "component", "slug": "si522a",+ "title": "SI522A",+ "brief": "Nanjing Zhongke Microelectronics RFID ICs, QFN-32-EP(5x5). Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Nanjing Zhongke Microelectronics RFID ICs, QFN-32-EP(5x5). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "rf and wireless", "si522a" ],+ "component": {+ "mpn": "SI522A",+ "manufacturer": "Nanjing Zhongke Microelectronics",+ "package": "QFN-32-EP(5x5)",+ "pin_count": 32,+ "category": "RF And Wireless",+ "subcategory": "RFID ICs",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893164258136064",+ "parts": {+ "symbol": "si522a.kicad_sym",+ "footprint": "si522a.kicad_mod",+ "model_3d": "si522a.glb",+ "model_3d_step": "si522a.step",+ "lbr": "si522a.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "SDI",+ "type": "input",+ "description": "I2C bus input (mode-dependent function, see Chapter 8 Digital interface)."+ },+ {+ "number": "2",+ "name": "PVDD",+ "type": "power_in",+ "description": "Pad power supply. 2.5 V to 3.6 V; VDD(PVDD) must be equal to or smaller than VDDD."+ },+ {+ "number": "3",+ "name": "DVDD",+ "type": "power_in",+ "description": "Digital power supply. 2.5 V to 3.6 V; VDDA, VDDD, and VDD(TVDD) must be at the same voltage."+ },+ {+ "number": "4",+ "name": "DVSS",+ "type": "power_in",+ "description": "Digital ground (0 V reference for the digital core)."+ },+ {+ "number": "5",+ "name": "PVSS",+ "type": "power_in",+ "description": "Pad power supply ground (0 V return for PVDD)."+ },+ {+ "number": "6",+ "name": "NRSTPD",+ "type": "input",+ "description": "Not Reset and Power-Down. When LOW, internal current sinks are switched off, oscillator is inhibited, and input pads are disconnected from the outside world. A rising edge starts the internal reset phase."+ },+ {+ "number": "7",+ "name": "MFIN",+ "type": "input",+ "description": "Communication interface input; accepts a digital serial data stream (S2C / secondary interface)."+ },+ {+ "number": "8",+ "name": "MFOUT",+ "type": "output",+ "description": "Communication interface output; delivers a digital serial data stream (S2C / secondary interface)."+ },+ {+ "number": "9",+ "name": "SVDD",+ "type": "power_in",+ "description": "Provides power to the MFIN/MFOUT interface pads. 2.5 V to 3.6 V."+ },+ {+ "number": "10",+ "name": "TVSS",+ "type": "power_in",+ "description": "Transmitter ground; supplies the output stage of TX1 and TX2 (0 V return for the RF driver)."+ },+ {+ "number": "11",+ "name": "TX1",+ "type": "output",+ "description": "Transmitter 1: delivers the modulated 13.56 MHz energy carrier to drive the reader/writer antenna."+ },+ {+ "number": "12",+ "name": "TVDD",+ "type": "power_in",+ "description": "Transmitter power supply for the TX1/TX2 output stage. 2.5 V to 3.6 V; continuous-wave supply current ~20 mA typ (30 mA max)."+ },+ {+ "number": "13",+ "name": "TX2",+ "type": "output",+ "description": "Transmitter 2: delivers the modulated 13.56 MHz energy carrier to drive the reader/writer antenna (complementary/anti-phase driver)."+ },+ {+ "number": "14",+ "name": "TVSS",+ "type": "power_in",+ "description": "Transmitter ground; supplies the output stage of TX1 and TX2 (second TVSS pin for the RF driver return)."+ },+ {+ "number": "15",+ "name": "AVDD",+ "type": "power_in",+ "description": "Analog power supply. 2.5 V to 3.6 V; IDDA ~3 mA typ with receiver on, ~0.9 mA with receiver off."+ },+ {+ "number": "16",+ "name": "VMID",+ "type": "passive",+ "description": "Internal reference voltage output; requires an external decoupling capacitor to AVSS."+ },+ {+ "number": "17",+ "name": "RX",+ "type": "input",+ "description": "Receiver input; connects to the antenna receive path via an external RC network."+ },+ {+ "number": "18",+ "name": "AVSS",+ "type": "power_in",+ "description": "Analog ground (0 V reference for AVDD and the analog front-end)."+ },+ {+ "number": "19",+ "name": "AUX1",+ "type": "output",+ "description": "Auxiliary output; used for testing/analog test multiplexer output."+ },+ {+ "number": "20",+ "name": "AUX2",+ "type": "output",+ "description": "Auxiliary output; used for testing/analog test multiplexer output."+ },+ {+ "number": "21",+ "name": "OSCIN",+ "type": "input",+ "description": "Crystal oscillator input: input to the inverting amplifier of the oscillator. Also the input for an externally generated clock (fosc = 27.12 MHz)."+ },+ {+ "number": "22",+ "name": "OSCOUT",+ "type": "output",+ "description": "Crystal oscillator output: output of the inverting amplifier of the 27.12 MHz oscillator."+ },+ {+ "number": "23",+ "name": "IRQ",+ "type": "output",+ "description": "Interrupt request: output that signals an interrupt event to the host controller."+ },+ {+ "number": "24",+ "name": "SDA/NSS/RX",+ "type": "bidirectional",+ "description": "Muxed host-interface pin. I2C: SDA serial data. SPI: NSS chip-select input. UART: RX (address input for the UART configuration)."+ },+ {+ "number": "25",+ "name": "D1/ADR_5",+ "type": "bidirectional",+ "description": "Test port D1 in test mode, or I2C bus address bit 5 (ADR_5) in I2C mode."+ },+ {+ "number": "26",+ "name": "D2/ADR_4",+ "type": "bidirectional",+ "description": "Test port D2, or I2C bus address bit 4 (ADR_4) input."+ },+ {+ "number": "27",+ "name": "D3/ADR_3",+ "type": "bidirectional",+ "description": "Test port D3, or I2C bus address bit 3 (ADR_3) input."+ },+ {+ "number": "28",+ "name": "D4/ADR_2",+ "type": "bidirectional",+ "description": "Test port D4, or I2C bus address bit 2 (ADR_2) input."+ },+ {+ "number": "29",+ "name": "D5/ADR_1/SCK/DTRQ",+ "type": "bidirectional",+ "description": "Muxed host-interface pin. Test: D5. I2C: ADR_1 address bit 1. SPI: SCK serial clock input. UART: DTRQ (UART data-request output to controller)."+ },+ {+ "number": "30",+ "name": "D6/ADR_0/MOSI/MX",+ "type": "bidirectional",+ "description": "Muxed host-interface pin. Test: D6. I2C: ADR_0 address bit 0. SPI: MOSI (Master Out Slave In). UART: MX (UART output to controller)."+ },+ {+ "number": "31",+ "name": "D7/SCL/MISO/TX",+ "type": "bidirectional",+ "description": "Muxed host-interface pin. Test: D7. I2C: SCL clock. SPI: MISO (Master In Slave Out). UART: TX (UART data output to controller)."+ },+ {+ "number": "32",+ "name": "EA",+ "type": "input",+ "description": "External address input; can be used to define/enable the I2C address selection (tie to VDD or GND per host-interface configuration)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893164258136064",+ "pages": 109,+ "sha256": "dac9a4a2e0c08099",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 32,+ "described": 32,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Nanjing Zhongke Microelectronics",+ "Package": "QFN-32-EP(5x5)",+ "Category": "RF And Wireless",+ "Pins": "32"+ }+ },+ "variants": [],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "si522a"+ ],+ "discovery_pitch": "SI522A (Nanjing Zhongke Microelectronics) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +283,5 @@ "docs/si522a-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }