Part Datasheet Review and Verification


Done.
1) Available part information reviewed Current part metadata

Table


FieldResult
Project / partTRN 1-0515
ManufacturerTraco Power
MPN propertyTRN 1-0515
Description1 Watt DC/DC converter, industrial, 2:1 input, regulated, compact design, 1600 VDC isolation, encapsulated, SIP package
Designator prefixPS
Datasheet URL propertyPresent: https://tracopower.com/trn1-datasheet/
Schematic pin instances present4 terminals placed
Effective electrical pins usedPins 1, 2, 3, 5
PCB footprint assetTRN10513.kicad_mod
3D model assetTRN_1-0515.stp
Symbol / pin mapping currently in the part

Table


Pin numberSymbol name
1-VIN_(GND)
2+VIN_(VCC)
3+VOUT
5-VOUT
2) Datasheet URL check
A datasheet URL is already set on the part, so no update was required.
3) Datasheet scan and extracted metadata
The existing URL is a landing page, not a clean direct PDF, so extraction from it was noisy. I cross-checked it against an official Traco Power PDF catalog entry that includes the TRN 1 series and TRN 1-0515.
Datasheet-derived summary for TRN 1-0515

Table


CategoryExtracted data
SeriesTRN 1
Converter typeIsolated DC/DC converter
Output power1 W
RegulationFully regulated outputs
Input range4.5-13.2 VDC, 9-18 VDC, 18-36 VDC, 36-75 VDC depending on variant
Isolation1,600 VDC
Temperature range-40°C to +90°C without derating
ProtectionShort circuit protection
Safety standardDesigned to meet UL 62368-1
Warranty3-year product warranty
Model-specific electrical characteristics
The official search result for TRN 1-0515 reported:

Table


ParameterValue
Input voltage range4.5-13.2 VDC
Nominal input9 VDC
Output voltage24 VDC
Max output current45 mA
Efficiency83%
Pin descriptions
From the official series pinout for single-output TRN 1:

Table


PinFunctionNotes
1-Vin (GND)Input return
2+Vin (Vcc)Input supply
3+VoutPositive output
4No pinIntentionally unpopulated / unused
5-VoutOutput return
Package / mechanical data

Table


ParameterValue
Package typeSIP-5
Body size0.47 x 0.32 x 0.43 in
Approx. metric11.9 x 8.1 x 10.9 mm
Pin styleThrough-hole SIP
Special features

Table


FeatureStatus
Regulated outputYes
2:1 input rangeYes
No minimum load requiredReported for the family
Short-circuit protectionYes
1.6 kV isolationYes
Industrial temp rangeYes
Absolute maximum ratings / recommended operating conditions
I could not retrieve a clean dedicated table titled Absolute Maximum Ratings from the current URL. The accessible official material clearly supports:
  • Operating input range for the TRN 1-0515: 4.5-13.2 VDC
  • Operating temperature range: -40°C to +90°C
If you want, I can do a second pass aimed specifically at finding the direct PDF and extracting the exact absolute max table verbatim.
4) Symbol and footprint cross-check Cross-check results

Table


Check itemResultRisk
Pin functions vs datasheetMatch for pins 1, 2, 3, 5Low
Missing pin 4 in symbolAcceptable because datasheet says pin 4 = no pinLow
Pin count interpretationPotential documentation issue: symbol exposes 4 electrical pins, but package is SIP-5 with one no-pin positionMedium
Footprint package styleAppears consistent with a through-hole SIP packageLow
Footprint hole styleThrough-hole pads present, which matches SIP package expectationLow
Footprint file namingMismatch: footprint asset is named TRN10513.kicad_mod, while part MPN is TRN 1-0515Medium
3D model namingMatches part MPN: TRN_1-0515.stpLow
Main issues flagged

Table


IssueWhy it mattersSeverity
Footprint asset name is TRN10513.kicad_mod instead of TRN 1-0515Could lead to wrong part-family reuse, ordering confusion, or silent package mismatch if that footprint was copied from another variantMedium
Datasheet property points to a landing page rather than a direct datasheet PDFMakes verification harder and caused ambiguous extraction resultsMedium
Symbol does not explicitly document the package as SIP-5 with NC pin 4Someone may incorrectly assume a true 4-pin packageLow-Medium
Manufacturing / ordering / board-failure risk assessment

Table


Risk typeAssessment
Manufacturing failureNo immediate hard mismatch found in pin order or basic package style
Incorrect part orderingPossible, mainly because the footprint asset name suggests a different model
Board failurePossible only if the borrowed footprint geometry is not actually identical to the TRN 1-0515 package
Documentation confusionLikely unless the NC pin and exact package family are documented clearly
Recommended fixes

Table


PriorityFix
HighReplace the datasheet property with a direct official PDF URL if available
HighVerify the pad pitch and body dimensions of TRN10513.kicad_mod against the TRN 1-0515 package drawing
MediumRename the footprint asset so it matches TRN 1-0515 or the shared package family name
MediumAdd a package/property note such as SIP-5, pin 4 = NC
MediumAdd explicit pin metadata to the part so pin functions are machine-readable, not only encoded in terminal names
Bottom line
  • The symbol pin mapping looks correct for the TRN 1-0515 family.
  • The biggest concern is the footprint asset naming mismatch: TRN10513.kicad_mod vs TRN 1-0515.
  • I do not see a confirmed fatal pinout error yet, but I would not sign off manufacturing until the footprint geometry is checked against the official mechanical drawing.
If you want, I can next do a tighter mechanical audit of the footprint geometry from the embedded .kicad_mod asset against the package dimensions.
Audit footprint geometry
Check part properties
Find direct PDF

Name
Pin #
Type
Part Type
Terminal Order
-VIN_(GND)
1
Unspecified
Terminal
+VIN_(VCC)
2
Unspecified
Terminal
+VOUT
3
Unspecified
Terminal
-VOUT
5
Unspecified
Terminal

TRN 1-0515

TRN 1-0515 thumbnail