component
FSV9520
Public Made by Adomby adom
Forsinve RFID ICs, QFN-32(5x5). Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownFSV9520
Forsinve · RFID ICs · QFN-32(5x5)
FSV9520 from Forsinve, in a QFN-32(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 | SPI | power_in | Connects to digital ground (DVSS) per pin table description; labeling inconsistency noted |
| 2 | PVDD | power_in | Pin power supply voltage, range 1.6V to 3.6V per Table 1 fast reference data |
| 3 | DVDD | power_in | Digital power supply voltage, range 2.5V to 3.6V per Table 1 fast reference data |
| 4 | DVSS | power_in | Digital ground per pin table; does not require connection to heat sink |
| 5 | PVSS | power_in | Pin power ground |
| 6 | NRSTPD | input | Reset and power-down input; low level triggers power-down with internal drain current shutdown and oscillator stop, rising edge triggers reset |
| 7 | MFIN | input | MIFARE signal input for analog module interface with internal pull-up/pull-down characteristics |
| 8 | MFOUT | output | MIFARE signal output from analog module with output current 4mA maximum at 3V |
| 9 | SVDD | power_in | Power supply for MFIN and MFOUT pins, range 1.6V to 3.6V per Table 1 |
| 10 | TVSS | power_in | Transmitter power ground |
| 11 | TX1 | output | Antenna driver output pin; outputs 13.56MHz modulated energy carrier with maximum IDD(TVDD) up to 100mA |
| 12 | TVDD | power_in | Transmitter power supply voltage, range 2.5V to 3.6V per Table 1 |
| 13 | TX2 | output | Antenna driver output pin; outputs 13.56MHz modulated energy carrier for complementary drive configuration |
| 14 | TVSS | power_in | Transmitter power ground |
| 15 | AVDD | power_in | Analog power supply voltage, range 2.5V to 3.6V per Table 1; must equal VDDA and VDD(TVDD) |
| 16 | VMID | power_in | Internal reference voltage for analog circuitry biasing and signal processing |
| 17 | RX | input | RF signal input for receiving modulated signals from transponders; input impedance 350Ω, input capacitance 10pF, voltage range ±1V around VDDA with Manchester encoded minimum 5mV at 48dB gain |
| 18 | AVSS | power_in | Analog power ground |
| 19 | AUX1 | output | Auxiliary test output for monitoring internal signals; current source output recommended with 1kΩ pull-down resistor, maximum 4mA |
| 20 | AUX2 | output | Auxiliary test output for monitoring internal signals; current source output recommended with 1kΩ pull-down resistor, maximum 4mA |
| 21 | OSCIN | input | Crystal oscillator buffer input for 27.12MHz crystal or external clock signal; input capacitance 2pF, voltage threshold 0.7VDDA high and 0.3VDDA low |
| 22 | OSCOUT | output | Crystal oscillator buffer output; drives 27.12MHz crystal oscillator or provides clock output |
| 23 | IRQ | output | Interrupt request output; can be configured as push-pull CMOS output or open-drain output via Diverge register; indicates interrupt events from multiple sources |
| 24 | NSS | input | SPI chip select input (active low) for Serial Peripheral Interface control; supports up to 10Mbps SPI data rate |
| 25 | D1 | bidirectional | Test pin for general purpose test and diagnostic functions; note: function conflicts with footnote [2] references |
| 26 | D2 | bidirectional | Test pin for general purpose test and diagnostic functions |
| 27 | D3 | bidirectional | Test pin for general purpose test and diagnostic functions |
| 28 | D4 | bidirectional | Test pin for general purpose test and diagnostic functions |
| 29 | D5 | bidirectional | Test pin for diagnostic functions; also functions as SCK (SPI clock input) in SPI mode for serial data synchronization |
| 30 | D6 | bidirectional | Test pin for diagnostic functions; also functions as MOSI (SPI master output slave input) in SPI mode for host to device data transfer |
| 31 | D7 | bidirectional | Test pin for diagnostic functions; also functions as MISO (SPI master input slave output) in SPI mode for device to host data transfer |
| 32 | EA | power_in | Connects to digital power supply (DVDD) per pin table description; labeling inconsistency noted similar to pin 1 |
| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Forsinve |
| Package | QFN-32(5x5) |
| Category | RF And Wireless |
| Pins | 33 |
CAD (KiCad official)
- Symbol:
FSV9520 - Footprint:
Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm - 3D model: QFN-32(5x5) (KiCad packages3D, STEP)
- 3D model files:
fsv9520-etched.step/fsv9520-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fsv9520.step/fsv9520.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Forsinve datasheet (74 pp, sha256
e71ac905eb558462, retrieved 2026-09-21, 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).