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Overview
| Topology | Buck Converter |
| Input voltage | 3.3 V |
| Switching frequency | 13550-13567 kHz |
| IC revision | 3 |
Description
The ST95HF is an integrated transceiver IC for contactless applications.
The ST95HF manages frame coding and decoding in Reader, Card Emulation and Peer-to-Peer modes for standard applications such as near field communication (NFC), proximity and vicinity standards.
The ST95HF embeds an Analog Front End to provide the 13.56 MHz Air Interface.
The ST95HF supports ISO/IEC 14443 Type A and B communication in Reader and Card Emulation modes, ISO/IEC 15693 (single or double subcarrier in Reader mode only) and ISO/IEC 18092 protocols in Reader and Card Emulation modes.
The ST95HF also supports the detection, reading and writing of NFC Forum Type 1, 2, 3 and 4 tags
Features
- Operating modes supported:
- Reader/Writer
- Card Emulation (ISO/IEC 14443-3 Type A)
- Peer-to-Peer
- Hardware features
- Dedicated internal frame controller
- Highly integrated Analog Front End (AFE) for RF communications
- Transmission and reception modes
- Optimized power management
- Tag Detection mode
- Field Detection mode
- RF communication @13.56 MHz
- ISO/IEC 14443 Type A and B in Reader and Card Emulation modes
- ISO/IEC 15693 in Reader mode
- ISO/IEC 18092 in Reader and Card Emulation modes
- MIFARE® Classic compatible 12
- Communication interfaces with a Host Controller
- Serial peripheral interface (SPI) Slave interface up to 2 Mbps
- Up to 528-byte command/reception buffer (FIFO) depending on communication protocol
- 32-lead, 5x5 mm, very thin fine pitch quad flat (VFQFPN) ECOPACK®2 package
Typical applications
- Industrial
- Gaming
- Consumer electronics
- Healthcare
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Winding Style | L(µH) | IR(mA) | VR(V) | VT(V (DC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-CNSW SMT Common Mode Line Filter, 90 Ω, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CNSW SMT Common Mode Line Filter | Impedance @ 100 MHz90 Ω | – | – | – | DC Resistance0.3 Ω | – | Winding Stylebifilar | Inductance0.111 µH | Rated Current370 mA | Rated Voltage50 V | Insulation Test Voltage125 V (DC) | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, 300 Ω, 450 Ω | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | Impedance @ 100 MHz300 Ω | Maximum Impedance450 Ω | Maximum Impedance250 MHz | Rated Current 22000 mA | DC Resistance0.15 Ω | TypeHigh Current | – | – | Rated Current1500 mA | – | – | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, 600 Ω, 3000 Ω | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | Impedance @ 100 MHz600 Ω | Maximum Impedance3000 Ω | Maximum Impedance180 MHz | Rated Current 2900 mA | DC Resistance0.5 Ω | TypeHigh Speed | – | – | Rated Current200 mA | – | – | ||||
| WE-CBF SMT EMI Suppression Ferrite Bead, 2200 Ω, 3000 Ω | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | Impedance @ 100 MHz2200 Ω | Maximum Impedance3000 Ω | Maximum Impedance80 MHz | Rated Current 2800 mA | DC Resistance0.6 Ω | TypeWide Band | – | – | Rated Current200 mA | – | – |