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STMicroelectronics STKNX-AC | Demoboard EVALKITSTKNX
Miniature KNX transceiver with voltage regulators
Overview
| Topology | Other Topology |
| IC revision | 131 |
Description
The STKNX is a transceiver device for KNX TP communication. The small package and few external components enable the very compact KNX nodes design.The simple interface to the μC allows easy replacement of physical layer discrete components implementations.The STKNX device features two integrated voltage regulators for external use in the application: the selectable 3.3 V / 5 V - 20 mA linear regulator and the adjustable 1 V to 12 V - 150 mA high-efficiency DC/DC step down switching converter.The integrated KNX bus power extractor supports bus current up to 30 mA to power external devices and the STKNX transceiver's own power needs, while limiting the bus current slew rate according to KNX specifications.The STKNX assures the safe coupling to the bus and provides the bus monitoring warning for the loss of bus power.
Features
◾Very thin fine pitch 4 x 4 mm VQFNPN24 package◾KNX certified, KNX TP1-256 supported◾Easy interface to μC◾Very small system solution◾Two integrated voltage regulators for external use in application ◾Selectable 3.3 V / 5 V - 20 mA linear regulator◾Adjustable 1 V to 12 V - 150 mA high- efficiency DC/DC step down switching converter
◾KNX bus power extractor supporting bus current up to 30 mA◾Adjustable KNX bus current slew rate dI/dt◾No crystal required◾Operating temperature range -40 °C to +85 °C
Typical applications
- KNX twisted pair network (KNX TP1-256)
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | RDC (Ω) | L (µH) | ISAT (A) | fres (MHz) | Application | Interface Type | Mount | IR (mA) | Working Voltage (V (AC)) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Pins | Rows | H (mm) | Gender | IR (mA) | Packaging | Color | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150080VS75000 | SPEC | 7 files | WL-SMCW SMT Mono-color Chip LED Waterclear | 570 | Bright Green | 572 | 40 | 2 | AlInGaP | 140 | – | – | – | – | – | – | SMT | – | – | – | – | – | – | – | – | – | – | 0.7 | – | – | Tape and Reel | – | ||
| 150080YS75000 | SPEC | 6 files | WL-SMCW SMT Mono-color Chip LED Waterclear | 590 | Yellow | 595 | 120 | 2 | AlInGaP | 140 | – | – | – | – | – | – | SMT | – | – | – | – | – | – | – | – | – | – | 0.7 | – | – | Tape and Reel | – | ||
| 150080RS75000 | SPEC | 7 files | WL-SMCW SMT Mono-color Chip LED Waterclear | 625 | Red | 630 | 150 | 2 | AlInGaP | 140 | – | – | – | – | – | – | SMT | – | – | – | – | – | – | – | – | – | – | 0.7 | – | – | Tape and Reel | – | ||
 | 742792651 | SPEC | 9 files | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | – | – | – | SMT | 1000 | – | 600 | 800 | 200 MHz | 1000 | 0.2 | High Current | – | – | 0.8 | – | 800 | – | – | ||
 | 782631331 | SPEC | 8 files | WE-CBA SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | 0.25 | – | – | – | – | – | SMT | – | – | 330 | 690 | 280 MHz | – | – | High Speed | – | – | 0.8 | – | 400 | – | – | ||
 | 74404042330 | SPEC | 8 files | WE-LQS SMT Power Inductor | – | – | – | – | – | – | – | 0.46 | 33 | 0.9 | 14 | – | – | – | 650 | – | – | – | – | – | – | – | – | – | 1.8 | – | 650 | – | – | ||
 | 60900213621 | SPEC | – | 3 files | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 3000 | 250 | – | – | – | – | – | – | 1 | – | – | Jumper | 3000 | Bag | Blue | |
 | 61300611821 | SPEC | – | 6 files | WR-PHD 2.54 mm Socket Header | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 250 | – | – | – | – | – | Straight | 6 | Single | – | Socket Header | 3000 | Tray | – | |
| 61301011821 | SPEC | – | 6 files | WR-PHD 2.54 mm Socket Header | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 250 | – | – | – | – | – | Straight | 10 | Single | – | Socket Header | 3000 | Tray | – | |
| 60900213421 | SPEC | – | 3 files | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 250 | – | – | – | – | – | – | 1 | – | – | Jumper | 3000 | Bag | Black | |
| 60900213521 | SPEC | – | 3 files | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 3000 | 250 | – | – | – | – | – | – | 1 | – | – | Jumper | 3000 | Bag | Red | |
 | 61300211121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 250 | – | – | – | – | – | Straight | 2 | Single | – | Pin Header | 3000 | Bag | – | |
| 61300311121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 250 | – | – | – | – | – | Straight | 3 | Single | – | Pin Header | 3000 | Bag | – | |
 | 61300421121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 250 | – | – | – | – | – | Straight | 4 | Dual | – | Pin Header | 3000 | Bag | – | |
| 61300621121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 250 | – | – | – | – | – | Straight | 6 | Dual | – | Pin Header | 3000 | Bag | – | |
| 61300811821 | SPEC | – | 6 files | WR-PHD 2.54 mm Socket Header | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 250 | – | – | – | – | – | Straight | 8 | Single | – | Socket Header | 3000 | Tray | – | |
| 61302021121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 250 | – | – | – | – | – | Straight | 20 | Dual | – | Pin Header | 3000 | Bag | – | |
 | 65100516121 | SPEC | – | 6 files | WR-COM Mini USB 2.0 Type B SMT Horizontal 5 Contacts | – | – | – | – | – | – | – | – | – | – | – | Mini USB | Type B | SMT | – | 30 | – | – | – | – | – | Horizontal | 5 | – | – | Receptacle | 1000 | Tape and Reel & Mylar | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | RDC (Ω) | L (µH) | ISAT (A) | fres (MHz) | Application | Interface Type | Mount | IR (mA) | Working Voltage (V (AC)) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Pins | Rows | H (mm) | Gender | IR (mA) | Packaging | Color | Samples |
|---|