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Texas Instruments TPS65381-Q1 | Demoboard TIDA-00548
4- to 20-mA Analog Input Module Reference Design for Safety Applications
Overview
| Topology | Buck Converter |
| Input voltage | 7.3-8.1 V |
| Switching frequency | 2250 kHz |
| Output 1 | 3.3 V |
| Output 2 | 5 V |
| IC revision | E2 |
Description
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.
Features
- 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
Typical applications
- Programmable Logic Controllers (PLCs)
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | L (µH) | ISAT (A) | fres (MHz) | Mount | VIN | VOut1 (V (DC)) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (AC)) | W (mm) | H (mm) | Poles | L (mm) | Vaporphase process | Pins (pcs) | Color | Gender | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150060VS75000 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 570 | Bright Green | 572 | 40 | 2 | AlInGaP | 140 | – | – | – | SMT | – | – | – | – | – | – | – | – | 0.8 | 0.7 | – | 1.6 | – | – | – | – | – | Tape and Reel | ||
| 150060RS75000 | SPEC | 26 files RAY files
| Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 625 | Red | 630 | 250 | 2 | AlInGaP | 140 | – | – | – | SMT | – | – | – | – | – | – | – | – | 0.8 | 0.7 | – | 1.6 | – | – | – | – | – | Tape and Reel | ||
 | 744028003 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | – | – | – | – | – | – | – | 3.3 | 0.85 | 80 | SMT | – | – | – | – | – | – | – | – | 2.8 | 1.1 | – | 2.78 | – | 2 | – | – | 1 | – | ||
 | 744025220 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | – | – | – | – | – | – | – | 22 | 0.75 | 23 | SMT | – | – | – | – | – | – | – | – | 2.8 | 2.8 | – | 2.8 | – | 2 | – | – | 0.5 | – | ||
 | 416131160802 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WS-DISV Small Compact SMT Flat Actuator with Top Tape 1.27 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2 | 3.71 | Yes | 2 | – | – | – | Tape and Reel | |
 | 760390013 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | 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 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.44 | – | 1 | Black | Jumper | 3 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 150060VS75000 | SPEC | |
| 150060RS75000 | SPEC | |
| 744028003 | SPEC | |
| 744025220 | SPEC | |
| 416131160802 | SPEC | – |
| 760390013 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | – |
| 60900213421 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | L (µH) | ISAT (A) | fres (MHz) | Mount | VIN | VOut1 (V (DC)) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (AC)) | W (mm) | H (mm) | Poles | L (mm) | Vaporphase process | Pins (pcs) | Color | Gender | IR (A) | Packaging | Samples |
|---|
