Part Information Review and Verification

flux

1:19

Evaluating review needs.

Reviewing the bill of materials.

Analyzing the PCB layout.

Analyzing the schematic.

Gathering package info and mismatches.

Analyzing the PCB layout.

Looking for "Official datasheet details for RAA2361052GNP#HC5: exact manufacturer part number, manufacturer, package name/package code, pin count, exposed pad presence, short functional description, input voltage range, output voltage range, maximum output current, quiescent current, efficiency, and operating temperature range." in raa236105-ultra-low-iq-buck-boost-regulator-bypass

Looking for "Complete pin table for RAA2361052GNP#HC5 with pin numbers, pin names, and short functions for all pins including EPAD if present." in raa236105-ultra-low-iq-buck-boost-regulator-bypass

Looking for "Package and footprint information for RAA2361052GNP#HC5: package type, number of leads/pads, whether there is an exposed pad, and any identifying dimensions or package drawing references." in raa236105-ultra-low-iq-buck-boost-regulator-bypass

I reviewed the part metadata, symbol terminals, and footprint against the official Renesas datasheet, using the datasheet as the source of truth as recommended for part-project verification
Summary
  • The Datasheet URL property is already set, so I did not search the web or change that property.
  • The part is broadly identified correctly as a Renesas buck-boost IC.
  • The main metadata mismatch is the package property:
    • Project: Package or Case Code = TO
    • Datasheet: 10 Ld DFN, 0.5 mm pitch, L10.2.5x2.5
  • The symbol terminal count matches the datasheet:
    • Datasheet: 10 leads + exposed pad
    • Project: 11 terminals total, including EPAD
  • The terminal names and pin numbers match the datasheet.
  • The biggest symbol-data gap is that all terminals are currently Pin Type: Unspecified and there are no pin descriptions. For a part-project audit, those should be populated from the datasheet rather than left blank
Part information review

Project properties vs datasheet

FieldIn projectDatasheet / official sourceStatus
Manufacturer Part NumberRAA2361052GNP#HC5RAA2361052GNP#HC5Match
Manufacturer NameRenesasRenesas ElectronicsAcceptable
Part TypeIntegrated CircuitsUltra-low IQ buck-boost regulator with bypassAcceptable but generic
Designator PrefixICNot a datasheet mismatch, but nonstandard vs common U usageNot critical
Package or Case CodeTO10 Ld DFN, 0.5 mm pitch, L10.2.5x2.5Mismatch
Datasheet URLPresentOfficial Renesas page/datasheet availableMatch

Key specs

ParameterValue
FunctionUltra-low IQ buck-boost regulator with bypass
Input voltage1.8 V to 5.5 V
Output voltage1.8 V to 5.0 V
Output currentUp to 400 mA
Input quiescent current130 nA
Peak efficiency96%
Operating temperature-40°C to +85°C
Package10 Ld DFN, 0.5 mm pitch, L10.2.5x2.5
Exposed padYes; must be soldered to GND
Symbol cross-check
Datasheet pinout says:

Table

PinNameFunctionProject status
1ENEnable inputMatch
2RSVDReserved, pull to GNDMatch
3BYPASSForced bypass controlMatch
4ILIMInput current limit readerMatch
5VSETOutput voltage readerMatch
6VOUTOutputMatch
7LX2Boost switch nodeMatch
8GNDGroundMatch
9LX1Buck switch nodeMatch
10VINInput supplyMatch
EPADEPADExposed pad, connect to GNDMatch
Symbol findings
  • Pin count matches exactly: 11 total items including EPAD, which is the correct way to treat the exposed pad for part verification
  • Pin names match
  • Pin numbers match
  • No extra terminals found
  • No missing terminals found
Symbol issues flagged
  • All terminals currently have Pin Type: Unspecified
  • I do not see Pin Description properties on the terminals
  • I also do not see richer symbol metadata like Section, Pin Group, or orientation assignments
For an IC-style part, those are incomplete relative to the recommended part-project setup
Footprint cross-check
From the layout:
  • There is a footprint with pads for all named pins plus EPAD
  • Pad names present:
    • EN, RSVD, BYPASS, ILIM, VSET, VOUT, LX2, GND, LX1, VIN, EPAD
Footprint findings
  • Pad count matches the datasheet package concept: 10 leads + exposed pad
  • Pad naming matches the pinout
  • EPAD is present, which is required by the datasheet
Footprint issue flagged
  • The project package metadata says TO, which does not match the actual DFN package/fingerprint identity from the datasheet.
    This is the clearest footprint/metadata mismatch.

Mismatches and gaps

ItemIssueSeverity
Package or Case CodeTO in project vs 10 Ld DFN, L10.2.5x2.5 in datasheetHigh
Pin Type propertiesAll pins are UnspecifiedMedium
Pin descriptionsMissingMedium
EPAD handlingPresent and correctly broken outOK
Pin names/numbersMatch datasheetOK
Datasheet URLAlready setOK
Bottom line
The part is mostly structurally correct:
  • correct MPN
  • correct manufacturer
  • correct terminal count
  • correct pin names
  • correct pin numbering
  • correct inclusion of EPAD
The two things I’d flag are:
  • Package metadata is wrong/incomplete (TO should be replaced with the actual DFN package code)
  • Terminal metadata is incomplete because pin types and descriptions have not been populated from the datasheet
If you want, I can fix the part project next by:
  • updating Package or Case Code
  • assigning Pin Type for all 11 terminals
  • adding short Pin Description text for each pin
Fix package and pins
Set proper DFN package
Flag any footprint issues
13 days
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RAA2361052GNP#HC5

RAA2361052GNP#HC5 thumbnail
Single output buck-boost converter 130nA input quiescent current 96% peak efficiency (VIN = 3.6V; VOUT = 3.3V) Output current: up to 400mA (VIN > 2.5V, VOUT = 3.3V) Input voltage range: 1.8V to 5.5V, supports single-cell Li-ion, 2x or 31.5V AA/AAA batteries Output voltage range: 1.8V to 5.0V Output voltage control using a pin reader (RAA236105) Selectable input current limit DVS with settable slew rate control Selectable forced bypass power saving mode PWM/PFM and buck/bo Input voltage range: 1.8 V to 5.5 V Output voltage range: 1.8 V to 5.0 V (programmable) Output current: up to 400 mA Peak efficiency: up to ~96% Quiescent current (IQ): ~100 nA class (ultra-low power mode) Very low standby consumption (ideal for battery-powered systems) Bypass mode available for near-zero regulation overhead Topology: Synchronous buck-boost converter Can step up or step down voltage automatically Maintains stable output even when input varies above/below output #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Voltage-regulator #Switching-regulator #RAA2361052

Properties

RAA2361052GNP#HC5

Renesas

Integrated Circuits

mouser.com/datasheet/3/1166/1/REN_RAA236100_105_DST_20250124.pdf

IC

TO

creativecommons.org/licenses/by/4.0/

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