adrian95 / TPS2117DRLR

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Part Information Review and Update

flux

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Analyzing the PCB layout.

Looking for "Exact manufacturer part number, manufacturer name, package/package code, pin count, package description, and short functional description for TPS2117DRLR." in tps2117.pdf?ts=1704705133749&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS2117

Looking for "Complete pin table with pin numbers, pin names, and brief pin functions for TPS2117 package." in tps2117.pdf?ts=1704705133749&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS2117

Looking for "Key electrical specifications for TPS2117: operating input voltage range, on-resistance, maximum current, quiescent current, switchover behavior, and operating junction temperature range." in tps2117.pdf?ts=1704705133749&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS2117

Looking for "Package and footprint details for TPS2117DRLR / DRL package including package family, terminal count, body size, pitch, and whether there is an exposed thermal pad." in tps2117.pdf?ts=1704705133749&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS2117

I reviewed the current part project for TPS2117DRLR.
  • The Datasheet URL is already present and populated, so no web search/update was needed.
  • I used the datasheet as the source of truth and checked that the project pin count matches the datasheet pin count exactly, which is the correct review method for part projects

Summary

AreaStatusNotes
MPNOKTPS2117DRLR matches datasheet
ManufacturerOKTexas Instruments
Datasheet URLOKPresent and points to TI datasheet
Pin countOK8 pins in project, 8 pins in datasheet
Pin namesOKTerminal names match datasheet pin names/function split
Footprint pad countOKFootprint has 8 pads, matching DRL package
Package metadataMismatchProject says SOT; datasheet is more specific: DRL, 8-pin SOT-5X3
Part typeMismatchProject says Electromechanical Components; datasheet indicates a power mux / power switch IC
Designator prefixLikely mismatchProject says IC; typical IC prefix should be U
Pin typesMismatchAll pins are Unspecified; datasheet supports proper typing
Pin descriptionsMissingNo pin descriptions set on any terminal

Key specs from the datasheet

SpecValue
FunctionLow-IQ power mux / power multiplexer
Input voltage range1.6 V to 5.5 V
Continuous current4 A
On-resistance20 mOhm typ, 26 mOhm max
Quiescent current~1.32 uA typ
Switchover modesPriority, Manual, Diode
Switchover behaviorBreak-before-make
Switchover time12 us typ @ 1.8 V, 15 us @ 3.3 V, 16 us @ 5 V
Temperature range-40 C to 105 C ambient
PackageDRL / 8-pin SOT-5X3
Pitch0.5 mm
Exposed padNo

Pin cross-check

Datasheet pinProject terminalStatusSuggested pin typeSuggested short description
1 GNDGNDOKGroundDevice ground
2 VOUTVOUT_1OKPower OutOutput power
3 VIN1VIN1OKPower InChannel 1 input
4 PR1PR1OKInputPriority select input
5 MODEMODEOKInputMode select input
6 VIN2VIN2OKPower InChannel 2 input
7 VOUTVOUT_2OKPower OutOutput power
8 STSTOKOutputOpen-drain status

Footprint / symbol findings

CheckResult
Package lead countMatches: 8 leads in datasheet, 8 pads in footprint
Exposed pad presenceMatches: none in datasheet, none apparent in footprint
Symbol terminal setMatches all 8 datasheet pins
Symbol metadata qualityNeeds improvement
Footprint metadata specificityNeeds improvement
Mismatches / issues to flag
  • Part Type is incorrect
    • Current: Electromechanical Components
    • Should be something like: Power Multiplexer, Power Switch IC, or similar IC category
  • Package or Case Code is too vague
    • Current: SOT
    • Better: DRL, 8-pin SOT-5X3, or DRL0008A
  • Designator Prefix is nonstandard
    • Current: IC
    • Better: U
  • All pin types are unset
    • Every terminal is currently Unspecified
  • All pin descriptions are missing
    • The datasheet provides enough information to populate concise descriptions
  • Project description could be cleaner
    • Current description is usable, but a crisper library-style description would be better, per the recommended part-project sync workflow

Recommended corrected metadata

PropertyRecommended value
Manufacturer Part NumberTPS2117DRLR
Manufacturer NameTexas Instruments
Part TypePower Multiplexer
Package or Case CodeDRL or 8-pin SOT-5X3
Designator PrefixU
Datasheet URLKeep current TI URL
Operating Voltage5.5
Max Current4
Operating Temperature-40°C to +105°C
Bottom line
The pinout and footprint pad count look correct, so there are no obvious symbol-to-datasheet or pad-count-to-package mismatches. The main problems are metadata quality and missing terminal properties:
  • wrong part category
  • vague package code
  • nonstandard designator prefix
  • missing pin types
  • missing pin descriptions
If you want, I can next fix the project properties and populate all 8 terminal pin types/descriptions.
Fix metadata and pins
Use U prefix
Check footprint details
30 days
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TPS2117DRLR

TPS2117DRLR thumbnail
Power Switch ICs - Power Distribution 1.6-V to 5.5-V, 20-m?, 4-A low IQ power multiplexer with manual and priority switchover 8-SOT-5X3 -40 to 125 #CommonPartsLibrary #IntegratedCircuit #PowerManagement #load-driver

Properties

TPS2117DRLR

Texas Instruments

Electromechanical Components

ti.com/lit/ds/symlink/tps2117.pdf?ts=1704705133749&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS2117

IC

SOT

creativecommons.org/licenses/by/4.0/

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