Product overview
Description
The ST25R3911B-DISCO is a ready-to-use kit featuring the ST25R3911B, an highly integrated HF reader / NFC initiator IC.
The ST25R3911B-DISCO can be operated as ISO18092 (NFCIP-1) active and passive initiator, ISO18092 (NFCIP-1) active target, ISO 14443A and B reader including very high bit rates (VHBR), long range ISO15693 and FeliCa™ reader. Implementation of other standard and custom protocols like MIFARE™ Classic is possible using the AFE and implementing framing in the external microcontroller (stream and transparent modes).
The ST25R3911B-DISCO addresses a wide range of applications such as access control, ticketing, industrial, medical and consumer, where users need optimal RF performance and flexibility combined with low power consumption.
The ST25R3911B-DISCO kit, whose block diagram is shown in Figure 1, allows the user to exploit several features of the ST25R3911B.
It contains a low power capacitive sensor that can be used for ultra-low power wakeup without switching on the reader field. Traditional inductive wakeup with the choice of amplitude or phase measurement can be used as well.
The automatic antenna tuning (AAT) technology enables operation close to metallic parts and/or in changing environments. The available software visually displays the impact of AAT, thus enabling an easy evaluation of the feature.
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All features
- Based on ST25R3911B high performance HF reader / NFC initiator with 1.4 W output power, supporting VHBR and AAT
- ISO 18092 (NFCIP-1) active P2P
- ISO14443A, ISO14443B and FeliCa™
- ISO15693
- Supports VHBR (3.4 Mbit/s PICC to PCD framing, 6.8 Mbit/s AFE and PCD to PICC framing)
- Up to 1.4 W output power with differential antenna
- Possibility of driving two antennas in single ended mode
- Inductive and capacitive Wake-up
- Automatic antenna tuning system
- DPO (Dynamic Power Output)
- User selectable and automatic gain control
- Transparent and Stream modes to implement MIFARE™ Classic compliant or other custom protocols
- 6 Mbit/s SPI
- Wide supply voltage range (from 2.4 V to 5.5 V)
- QFN32, 5 mm x 5 mm package
- STM32L476RET6 32-bit microcontroller with 512 kB of Flash memory
- 105 mm x 52 mm, two turns antenna etched on the PCB, and associated VHBR tuning circuit
- Micro-USB connector for communication with the host PC and board powering
- Six LEDs indicating the presence of the RF field and of the protocol used to communicate
- Based on ST25R3911B high performance HF reader / NFC initiator with 1.4 W output power, supporting VHBR and AAT
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Part number Status Description Type Supplier Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu STSW-ST25PC001
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All resources
| Resource title | Version | Latest update |
|---|
Product Specifications (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 2.0 | 27 Jun 2017 | 27 Jun 2017 |
User Manuals (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 3.0 | 15 Dec 2017 | 15 Dec 2017 |
License Agreement (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 5.0 | 21 Sep 2016 | 21 Sep 2016 |
Evaluation Board Terms of Use (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 2.0 | 15 Jan 2025 | 15 Jan 2025 |
All resources
| Resource title | Version | Latest update |
|---|
Board Manufacturing Specifications (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 1.0 | 25 Sep 2017 | 25 Sep 2017 |
Bill of Materials (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 25 Sep 2017 | 25 Sep 2017 |
Schematic Pack (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 1.0 | 25 Sep 2017 | 25 Sep 2017 | |
| 1.0 | 25 Sep 2017 | 25 Sep 2017 |
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | WEEE Compliant | Material Declaration** |
|---|---|---|---|---|---|---|
| ST25R3911B-DISCO | Active | CONTRACTS | Industrial | Ecopack2 | - | |
Marketing Status
Active
Package
CONTRACTS
Grade
Industrial
RoHS Compliance Grade
Ecopack2
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
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| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Supplier | Core Product | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST25R3911B-DISCO | Active | 49.0 / 1 | Available at 5 distributors Distributor availability of ST25R3911B-DISCO
Distributor reported inventory date: 3/28/2025 | | | | Buy from Distributor | | CHINA | EAR99 | NEC | ST | ST25R3911B |
ST25R3911B-DISCO Active
Budgetary Price (US$)*/Qty:
49.0 / 1
Package:
-
Packing Type:
-
RoHS:
Country of Origin:
CHINA
ECCN (US):
EAR99
ECCN (EU):
NEC
Part Number:
ST25R3911B-DISCO
Supplier:
ST
Core Product:
ST25R3911B
Distributor Name
Farnell Element14
Stock
38Min.Order
1ANGLIA Live
Stock
30Min.Order
1MOUSER
Stock
63Min.Order
1DIGIKEY
Stock
44Min.Order
1Newark Element14
Stock
14Min.Order
0Distributor reported inventory date: 3/28/2025
Stock
Min.Order
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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors