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WS1850S on a board, in 3D

WS1850S

wisesun

106Kbit/s、212Kbit/s、424Kbit/s 13.56MHz 2V~5.5V CCITT,ISO 14443A,ISO 14443B I2C,SPI,UART QFN-32-EP(5x5) RFID ICs ROHS

Extended
DatasheetJLCPCBLCSCwisesun/WS1850S
Category
RFID ICs
Package
QFN-32-EP(5x5)
Pins
33

Overview

The WS1850S is a RFID IC made by wisesun in a QFN-32-EP(5x5) package with 33 pins. 106Kbit/s、212Kbit/s、424Kbit/s 13.56MHz 2V~5.5V CCITT,ISO 14443A,ISO 14443B I2C,SPI,UART QFN-32-EP(5x5) RFID ICs ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:WS1850S, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL-EP3.7, from EasyEDA), ready for a KiCad board. 6,158 are in stock at JLCPCB (part C2686218).

Symbol

I2C1PVDD2DVDD3DVSS4PVSS5NRSTPD6MFIN7MFOUT8SVDD9TVSS10TX111TVDD12TX213TVSS14AVDD15VMID16RX17AVSS18AUX119AUX220OSCIN21OSCOUT22IRQ23SDA/NSS/RX24D125D226D327D428D5//SCK29D6/MOSI30D7/SCL/MISO/TX31EA32EP33
EasyEDA_Cloud:WS1850SFrom EasyEDA

Footprint

33
EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL-EP3.7From EasyEDA

Parameters

6
Frequency
13.56MHz
Interface
I2C,SPI,UART
Quiescent Current
0.02uA
Voltage - Supply
2V~5.5V
agreement
CCITT,ISO 14443A,ISO 14443B
transmission rate
424Kbit/s

Order codes

1

Pinout

33
The pins of the WS1850S
PinNameType
1I2CUnspecified
2PVDDUnspecified
3DVDDUnspecified
4DVSSUnspecified
5PVSSUnspecified
6NRSTPDUnspecified
7MFINUnspecified
8MFOUTUnspecified
9SVDDUnspecified
10TVSSUnspecified
11TX1Unspecified
12TVDDUnspecified
13TX2Unspecified
14TVSSUnspecified
15AVDDUnspecified
16VMIDUnspecified
17RXUnspecified
18AVSSUnspecified
19AUX1Unspecified
20AUX2Unspecified
21OSCINUnspecified
22OSCOUTUnspecified
23IRQUnspecified
24SDA/NSS/RXUnspecified
25D1Unspecified
26D2Unspecified
27D3Unspecified
28D4Unspecified
29D5//SCKUnspecified
30D6/MOSIUnspecified
31D7/SCL/MISO/TXUnspecified
32EAUnspecified
33EPUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/wisesun/WS1850S" title="WS1850S in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/wisesun/WS1850S.jpg" alt="WS1850S" width="1200" height="900">
A picture that opens the part, for a README
[![WS1850S](https://pcbkit.io/embed/parts/wisesun/WS1850S.jpg?size=s)](https://pcbkit.io/parts/wisesun/WS1850S)

Questions

Is there a KiCad symbol and footprint for the WS1850S?

Yes. The symbol is EasyEDA_Cloud:WS1850S and the footprint EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL-EP3.7, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the WS1850S?

QFN-32-EP(5x5), with 33 pins. Its footprint is drawn on this page.

Where is the WS1850S datasheet?

wisesun publishes it: the Datasheet link on this page opens it.

Where can I order the WS1850S?

JLCPCB lists it as part C2686218, with 6,158 in stock; the sellers' links on this page open their listings.

What can replace the WS1850S?

Parts like it in the library: the SI522A by Nanjing Zhongke Microelectronics, the ST25R300-AQET by STMicroelectronics, the ST25DV04KC-IE6S3 by STMicroelectronics and the MFRC522 by JSMSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8