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Texas Instruments TPS65381-Q1 | Demoboard TIDA-00548
4- to 20-mA Analog Input Module Reference Design for Safety Applications
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 7.3-8.1 V |
| Schaltfrequenz | 2250 kHz |
| Ausgang 1 | 3.3 V |
| Ausgang 2 | 5 V |
| IC-Revision | E2 |
Beschreibung
The TIDA-00548 design is an isolated dual-channel4- to 20-mA analog input reference design, whichcan be used as a sub-part for functional safetyprogrammable logic controllers (PLCs). This referencedesign delivers digitized input values using a 32-bithigh-performance analog-to-digital converter (ADC).The RM4x dual-core ARM® Cortex®-R4 based CPUwith lockstep technology and built-in self-tests (BIST)compares the converted values of up to nineselectable analog input signal chain paths. The dualinput approach with two separate burden resistorsallows redundant measurement of either a single 4- to20-mA loop or two independent loops. Hercules™ RMARM Cortex-R based MCUs for functional safetyapplications (part of the SafeTI designs packages)help to develop systems according to IEC 61508SIL 3.
Eigenschaften
- Two-Channel, 4- to 20-mA Current Measurementfor Redundancy
- Two ADC References (External and Internal)
- Small Burden Resistor (24.9 Ω)
- ADC Built-in Features, such as Test DAC,Secondary ADC, Analog Signal Level Alarm
- Isolator Shutdown Upon Failure Provides ReliableNotification to Back End
- All Integrated Circuits: MTBF Greater 4×108
- Designed in BeagleBone Cape Form Factor
Typische Anwendungen
- Programmable Logic Controllers (PLCs)
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ.(nm) | Emittierte Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Montageart | Vin | VOut1(V (DC)) | IOut1(A) | Isolierungstyp | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | VT(V (AC)) | B(mm) | H(mm) | Pins | Farbe | Gender | Verpackung | Poles | L(mm) | Dampfphasenprozess | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Hellgrün | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]570 nm | Emittierte FarbeHellgrün | Spitzen-Wellenlänge [typ.]572 nm | Lichtstärke [typ.]40 mcd | Durchlassspannung [typ.]2 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | MontageartSMT | – | – | – | – | – | – | – | – | Breite0.8 mm | Höhe0.7 mm | – | – | – | VerpackungTape and Reel | – | Länge1.6 mm | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Rot | Downloads27 Dateien Strahldaten
| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]625 nm | Emittierte FarbeRot | Spitzen-Wellenlänge [typ.]630 nm | Lichtstärke [typ.]250 mcd | Durchlassspannung [typ.]2 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | MontageartSMT | – | – | – | – | – | – | – | – | Breite0.8 mm | Höhe0.7 mm | – | – | – | VerpackungTape and Reel | – | Länge1.6 mm | – | |||
 | WE-TPC SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | – | – | – | – | – | – | – | Induktivität3.3 µH | Nennstrom1 A | Sättigungsstrom0.85 A | Eigenresonanzfrequenz80 MHz | MontageartSMT | – | – | – | – | – | – | – | – | Breite2.8 mm | Höhe1.1 mm | Pins2 | – | – | – | – | Länge2.78 mm | – | ||||
 | WE-TPC SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | – | – | – | – | – | – | – | Induktivität22 µH | Nennstrom0.5 A | Sättigungsstrom0.75 A | Eigenresonanzfrequenz23 MHz | MontageartSMT | – | – | – | – | – | – | – | – | Breite2.8 mm | Höhe2.8 mm | Pins2 | – | – | – | – | Länge2.8 mm | – | ||||
 | WS-DISV Small Compact SMT Flat Actuator with Top Tape 1.27 mm, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins2 | – | – | VerpackungTape and Reel | Poles2 | Länge3.71 mm | DampfphasenprozessJa | ||||
 | WE-PPTI Push-Pull Transformers, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PPTI Push-Pull Transformers | – | – | – | – | – | – | – | Induktivität475 µH | – | – | – | MontageartSMT | Input Voltage 3.3 V (DC) | Ausgangsspannung 15 V (DC) | Ausgangsstrom 10.5 A | IsolierungstypFunktional | Switching Frequency 250 - 550 | Spannung-µSekunde11 Vµs | Übersetzungsverhältnis1:1.7 | Prüfspannung2500 V (AC) | Breite10.2 mm | Höhe4.19 mm | – | – | – | VerpackungTray | – | Länge6.73 mm | – | |||
 | WR-PHD Kurzschlussbrücken, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | – | – | – | – | – | – | – | – | Nennstrom3 A | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins1 | FarbeSchwarz | GenderJumper | VerpackungBeutel | – | Länge2.44 mm | – |