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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) | Farbe | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chiptechnologie | 2θ50% typ. (°) | L (µH) | ISAT (A) | fres (MHz) | Montageart | Vin | VOut1 (V (DC)) | IOut1 (A) | Isolierungstyp | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (AC)) | W (mm) | H (mm) | Poles | L (mm) | Dampfphasenprozess | Pins (Value) (pcs) | Farbe | Gender | IR (A) | Verpackung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150060VS75000 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WL-SMCW SMT Mono-color Chip LED Waterclear | 570 | Hellgrün | 572 | 40 | 2 | AlInGaP | 140 | – | – | – | SMT | – | – | – | – | – | – | – | – | 0.8 | 0.7 | – | 1.6 | – | – | – | – | – | Tape and Reel | ||
| 150060RS75000 | SPEC | 25 Dateien Strahldaten
| Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WL-SMCW SMT Mono-color Chip LED Waterclear | 625 | Rot | 630 | 250 | 2 | AlInGaP | 140 | – | – | – | SMT | – | – | – | – | – | – | – | – | 0.8 | 0.7 | – | 1.6 | – | – | – | – | – | Tape and Reel | ||
 | 744028003 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-TPC SMT-Speicherdrossel | – | – | – | – | – | – | – | 3.3 | 0.85 | 80 | SMT | – | – | – | – | – | – | – | – | 2.8 | 1.1 | – | 2.78 | – | 2 | – | – | 1 | – | ||
 | 744025220 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-TPC SMT-Speicherdrossel | – | – | – | – | – | – | – | 22 | 0.75 | 23 | SMT | – | – | – | – | – | – | – | – | 2.8 | 2.8 | – | 2.8 | – | 2 | – | – | 0.5 | – | ||
 | 416131160802 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WS-DISV Small Compact SMT Flat Actuator with Top Tape 1.27 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2 | 3.71 | Ja | 2 | – | – | – | Tape and Reel | |
 | 760390013 | SPEC | – | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-PPTI Push-Pull Transformers | – | – | – | – | – | – | – | 475 | – | – | SMT | 3.3 V (DC) | 5 | 0.5 | Functional | 250 - 550 | 11 | 1:1.7 | 2500 | 10.2 | 4.19 | – | 6.73 | – | – | – | – | – | Tray | |
 | 60900213421 | SPEC | – | 3 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.44 | – | 1 | Schwarz | Jumper | 3 | Beutel |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 150060VS75000 | SPEC | |
| 150060RS75000 | SPEC | |
| 744028003 | SPEC | |
| 744025220 | SPEC | |
| 416131160802 | SPEC | – |
| 760390013 | SPEC | – |
| 60900213421 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ. (nm) | Farbe | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chiptechnologie | 2θ50% typ. (°) | L (µH) | ISAT (A) | fres (MHz) | Montageart | Vin | VOut1 (V (DC)) | IOut1 (A) | Isolierungstyp | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (AC)) | W (mm) | H (mm) | Poles | L (mm) | Dampfphasenprozess | Pins (Value) (pcs) | Farbe | Gender | IR (A) | Verpackung | Muster |
|---|