Part Review and Verification

3:58

Planning.

Analyzing the schematic.

Analyzing the PCB layout.

Reviewing the bill of materials.

Considering.

Searching web for: "site:analog.com LT7171 datasheet Analog Devices PDF"

Found 1 results.

Searching for a component.

Searching library for: "LT7171RV#TRMPBF dual 20A 16V silent switcher step-down regulator with digital power system management, need exact library entry and datasheet-backed metadata"

Creating search plan for: "LT7171RV#TRMPBF dual 20A 16V silent switcher step-down regulator with digital power system management, need exact library entry and datasheet-backed metadata --- MANDATORY search constraints (these MUST be applied to all searches): fieldCategories: ["core","type","manufacturer","specifications","packaging","metadata"] hitsPerPage: 5"

Searching: "Dual 20A Silent Switcher step-down regulator, 16V input, digital power system management (LT7171 family), look for LT7171RV/TRMPBF package or equivalent library entries"

Searching web for: "LT7171RV#TRMPBF datasheet Analog Devices LT7171RV TRMPBF dual 20A 16V Silent Switcher"

Found 1 results.

Found 7 results.

Searching: "LT7171RV#TRMPBF dual 20A 16V silent switcher step-down regulator with digital power system management, need exact library entry and datasheet-backed metadata --- MANDATORY search constraints (these MUST be applied to all searches): fieldCategories: ["core","type","manufacturer","specifications","packaging","metadata"] hitsPerPage: 5"

Finished searching for a component.

Looking for "part description, package type, package name, pin count, special features, summary" in lt7171_lt7171-1.pdf

Looking for "absolute maximum ratings for VIN, EXTVCC, DRVCC, INTVCC, VDD18, RUN, BOOST, SW, ITH, VSENSEP, VSENSEN, SCL, SDA, SYNC, operating junction temperature, storage temperature" in lt7171_lt7171-1.pdf

Looking for "electrical characteristics including input voltage range, quiescent current, shutdown current, switching frequency, reference accuracy, current sense accuracy, internal regulator values" in lt7171_lt7171-1.pdf

Looking for "pin functions and descriptions for every pin including exposed pad if present" in lt7171_lt7171-1.pdf

Looking for "recommended operating conditions for input voltage, output voltage range, switching frequency, temperature range" in lt7171_lt7171-1.pdf

Looking for "ordering information and package option for LT7171RV TRMPBF" in lt7171_lt7171-1.pdf

Looking for "package information mechanical dimensions, exposed pad, package size, land pattern" in lt7171_lt7171-1.pdf

Running multiple web searches.

Found 1 results.

Running multiple web searches.

Found 1 results.

Running multiple web searches.

Found 1 results.

Running multiple web searches.

Found 1 results.

Part review result

1) Available part information

Field	Result
Part	LT7171RV#TRMPBF
Description	20 A, 16 V Silent Switcher step-down regulator with digital power system management
Manufacturer	Analog Devices
MPN	LT7171RV#TRMPBF
Datasheet URL property	Already set: PDF
Package from official sources	30-lead LQFN, 3.5 mm x 4 mm, package drawing 05-08-7066
Package in current part project	Footprint exists; schematic symbol exposes 35 numbered terminals
Pin numbering in current symbol	1 to 35
Nets in part project	None defined yet

2) Datasheet property check

Check	Result
Datasheet URL present already?	Yes
Web lookup needed?	No
Property update needed?	No

3) Datasheet scan summary

I attempted the full datasheet scan via @file twice, but the PDF parsing failed both times. I then fell back to official Analog Devices web results that quote the same datasheet and product page.

3a) Key electrical / feature metadata

Item	Exact value / summary
Input voltage range	2.9 V to 16 V
Low input operation with EXTVCC	down to 1.5 V with EXTVCC
Output voltage range	0.4 V to 5.5 V
Switching frequency	400 kHz to 4 MHz
Output voltage accuracy	±0.25% for 0.6 V ≤ VOUT ≤ 1.375 V
Architecture	Silent Switcher step-down regulator with digital power system management
Interface	PMBus / I2C
Telemetry	Readback of VOUT, IOUT, VIN, die temperature, and faults
Configuration	Programmable voltage, current limit, sequencing, frequency, loop compensation
NVM	3-time programmable NVM
Sensing	Differential remote output sense
Multiphase	PolyPhase load sharing

3b) Absolute maximum ratings recovered from official snippets

Parameter	Exact value recovered
VIN	-0.3 V to +20 V
EXTVCC	-0.3 V to +6 V
RUN / PGOOD / ALERT / SDA / SCL / SYNC / PWM_CFG / FAULT / ASEL / WP / SHARE_CLK / ITH / VOUT_CFG	-0.3 V to +6 V
VSENSEP	-0.3 V to +6 V
VSENSEN	-0.3 V to +0.3 V

3c) Recommended operating conditions recovered

Parameter	Exact value recovered
Input voltage	2.9 V to 16 V
Output voltage	0.4 V to 5.5 V
Switching frequency	400 kHz to 4 MHz

3d) Pin metadata recovered from official sources

Pin / pins	Function summary
1, 24	VIN power inputs
2, 23, 33, 34, 35	PGND power grounds
3	DRVCC driver supply
8	INTVCC internal bias / LDO-related supply
10	VDD18
12	ALERT
13	RUN enable / control
14	PGOOD
15	SDA
16	SCL
17	FAULT
18	SYNC
19	SHARE_CLK
20	EXTVCC external bias supply input
21	VSENSEP positive remote sense
22	VSENSEN negative remote sense
25	BOOST1 bootstrap
26, 27	SW1 switching node
28, 29	SW0 switching node
30	BOOST0 bootstrap

3e) Package metadata recovered

Item	Exact value recovered
Package type	30-lead LQFN
Body size	3.5 mm x 4 mm
Package drawing	05-08-7066
Exposed pad	Official sources indicate an exposed-pad style LQFN package
Full mechanical dimensions / land pattern	Not fully extracted because PDF parsing failed

4) Cross-check: symbol and footprint vs official datasheet

Findings

Check	Status	Why it matters
Pin names vs datasheet signal set	Looks consistent	The current symbol terminals align well with the official pin names recovered from the datasheet snippets.
Pin numbering range	Looks consistent	The current symbol uses pins 1 to 35, and official snippets confirm pins through 35 including PGND on 35.
Footprint exists	Yes	Good: this avoids a missing-footprint manufacturing blocker.
Pin electrical types in symbol	Risk	All symbol pins are currently marked Unspecified. This can weaken ERC quality and hide integration mistakes in downstream designs.
Package naming / pin-count metadata	High-risk mismatch to verify	Official sources say 30-lead LQFN, but the current part representation exposes 35 numbered terminals. This may be correct physically if the package naming excludes some power-style terminals or grouping conventions, but it is a red flag until the package drawing is checked directly.
Footprint geometry vs datasheet land pattern	Not fully verified	I could confirm pad presence only. I could not extract pad sizes, pitch, exposed-pad geometry, or courtyard from the datasheet because the PDF parsing failed. This remains the main unresolved manufacturing risk.

My assessment

Area	Verdict
Schematic symbol pin naming	Probably okay
Schematic symbol pin typing	Needs improvement
Pin count / package metadata consistency	Needs manual verification now
Footprint manufacturability confidence	Not yet sufficient

Most important risks to fix before using this part

Priority	Issue	Potential consequence
1	30-lead package label vs 35-terminal implementation	Wrong package selection, wrong ordering, or incorrect footprint assumptions
2	Footprint dimensions not verified against package drawing 05-08-7066	Assembly failure, soldering defects, exposed-pad mismatch
3	All pins typed as Unspecified	ERC misses power/control/interface mistakes

If you want, I can continue with a stricter audit next:

fetch review results for footprint-related issues
inspect the footprint in more detail
or prepare a pin-type correction table for the symbol based on the recovered pin functions

@review footprint issues

@layout inspect footprint

Pin type audit

50 days

Reviews

Ground
A common return path for electric current. Commonly known as ground.
jharwinbarrozo
20.5M
Net Portal
Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
jharwinbarrozo
43.0M
Power Net Portal
Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
jharwinbarrozo
11.4M
Generic Resistor
A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
jharwinbarrozo
1.5M
Generic Capacitor
A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
jharwinbarrozo
1.5M
Generic Inductor
A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
jharwinbarrozo
15.8k
Terminal
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
RMCF0805JT47K0
General Purpose Thick Film Standard Power and High-Power Chip Resistor 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film Features: - RMCF – standard power ratings - RMCP – high power ratings - Nickel barrier terminations standard - Power derating from 100% at 70ºC to zero at +155ºC - RoHS compliant, REACH compliant, and halogen free - AEC-Q200 compliant
jharwinbarrozo
1.2M
875105359001
10 µF 16 V Aluminum - Polymer Capacitors Radial, Can - SMD 30mOhm 2000 Hrs @ 105°C #commonpartslibrary #capacitor #aluminumpolymer #radialcan
jharwinbarrozo
1.2M
CTL1206FYW1T
Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric)
jharwinbarrozo
1.1M

Project Name

LT7171RV#TRMPBF

Description

Buck Switching Regulator IC Positive Programmable 0.4V 1 Output 20A 30-PowerTFQFN #CommonPartsLibrary #IntegratedCircuit #Power Management (PMIC) #Voltage-Regulators #DC DC Switching Regulators

Properties

Manufac… Number

LT7171RV#TRMPBF

Manufac…er Name

Analog Devices

Part Type

Integrated Circuit

Datasheet URL

analog.com/media/en/technical-documentation/data-sheets/lt7171_lt7171-1.pdf

Designator Prefix

License

creativecommons.org/licenses/by/4.0/

Pricing & Availability

See prices from popular manufacturers for your project.

Controls

Welcome 👋

Flux accelerates your PCB design with AI.

Create your account to start using this component and bring your ideas to life.