component

VRC522

Public Unreviewed

by Ray

VIBRATION RFID ICs, VQFN-32-EP(5x5). Datasheet-verified pinout, KiCad symbol/footprint/3D.

componentrf and wirelessvrc522factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity

3D Model

Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

Datasheet

Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Download PDF
Contents

README

markdown

VRC522

VIBRATION · RFID ICs · VQFN-32-EP(5x5)

VRC522 from VIBRATION, in a VQFN-32-EP(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 I2C input I2C interface enable, active high
2 PVDD power_in Pin power supply, 2.0 to 5.5V
3 DVDD power_in Digital power supply, 2.0 to 5.5V
4 DVSS power_in Digital ground
5 PVSS power_in Pin power supply ground
6 NRSTPD input Reset/power-down pin, active low
7 MFIN input Modulation frequency signal input
8 MFOUT output Modulation frequency signal output
9 SVDD power_in Power supply for MFIN and MFOUT, 2.0 to 5.5V
10 TVSS power_in Transmitter ground
11 TX1 output Transmitter 1, outputs modulated 13.56MHz energy carrier signal
12 TVDD power_in Transmitter power supply, 2.0 to 5.5V
13 TX2 output Transmitter 2, outputs modulated 13.56MHz energy carrier signal
14 TVSS power_in Transmitter ground
15 AVDD power_in Analog power supply, 2.0 to 5.5V
16 VMID power_in Internal reference voltage
17 RX input Receiver signal input
18 AVSS power_in Analog ground
19 AUX1 output Test output pin
20 AUX2 output Test output pin
21 OSCIN input External 27.12MHz crystal input or external clock input
22 OSCOUT output External 27.12MHz crystal output
23 IRQ output Interrupt signal output, requires external pull-up
24 SDA/NSS/RX bidirectional Multifunction digital interface: I2C SDA, SPI NSS, or UART RX depending on communication mode
25 D1/ADR_5 bidirectional Parallel data D1 or I2C slave address bit ADR_5
26 D2/ADR_4 bidirectional Parallel data D2 or I2C slave address bit ADR_4
27 D3/ADR_3 bidirectional Parallel data D3 or I2C slave address bit ADR_3
28 D4/ADR_2 bidirectional Parallel data D4 or I2C slave address bit ADR_2
29 D5/ADR_1/SCK bidirectional Parallel data D5, I2C slave address bit ADR_1, or SPI serial clock depending on communication mode
30 D6/ADR_0/MOSI bidirectional Parallel data D6, I2C slave address bit ADR_0, or SPI master output slave input depending on communication mode
31 D7/SCL/MISO/TX bidirectional Parallel data D7, I2C serial clock, SPI slave output, or UART transmit depending on communication mode
32 EA input I2C address encoding enable
33 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer VIBRATION
Package VQFN-32-EP(5x5)
Category RF And Wireless
Pins 33

CAD (KiCad official)

  • Symbol: VRC522
  • Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
  • 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: VIBRATION datasheet (7 pp, sha256 da42ed28aee92c43, retrieved 2026-09-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF