ChipDocs.org
⌘K
2284 PARTSUpload PDF
C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP) — Symbol, Footprint IPC-7351B & 3D STEP Model

C7215527

SemiconductorQFN-28_L5.0-W4.0-P0.50-BL-EP · 29 Pins · Pitch 0.50mmIPC-7351B Verified5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP)1IREF2VINA3VINB4GND5GND6VINC7VIND8NC9S210VOUTD11EN212VOUTC13RXCO14RXDO15RXCI29EP28S127VOUTA26EN125VOUTB24RXAO23RXBO22RXAI21RXBI20VS19VS18VS17GND16RXDIGrid Pitch = 2.54mm (IEEE-315)-15.2-10.2-5.105.110.215.225.420.315.210.25.10-5.1-10.2-15.2-20.3-25.4mm
2. 2D FOOTPRINT
1234567891011121314151617181920212223242526272829E=4.00mm · Pitch e=0.50mmD=5.00mm-5-4-3-2-101234543210-1-2-3-4mm
3. 3D CAD MODEL
Package Body: 4.00mm × 5.00mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (29/29)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1IREFI/OMultiplexed I/O & Peripheral Pin IREF (General)
2VINAPowerPower Supply Input (VINA — 3.3V / 5.0V Standard Logic)
3VINBPowerPower Supply Input (VINB — 3.3V / 5.0V Standard Logic)
4GNDGNDGround Reference Pin (GND)
5GNDGNDGround Reference Pin (GND)
6VINCPowerPower Supply Input (VINC — 3.3V / 5.0V Standard Logic)
7VINDPowerPower Supply Input (VIND — 3.3V / 5.0V Standard Logic)
8NCI/OMultiplexed I/O & Peripheral Pin NC (General)
9S2I/OMultiplexed I/O & Peripheral Pin S2 (General)
10VOUTDPowerPower Supply Input (VOUTD — 3.3V / 5.0V Standard Logic)
11EN2I/OMultiplexed I/O & Peripheral Pin EN2 (General)
12VOUTCPowerPower Supply Input (VOUTC — 3.3V / 5.0V Standard Logic)
13RXCOI/OMultiplexed I/O & Peripheral Pin RXCO (General)
14RXDOI/OMultiplexed I/O & Peripheral Pin RXDO (UART)
15RXCII/OMultiplexed I/O & Peripheral Pin RXCI (General)
16RXDII/OMultiplexed I/O & Peripheral Pin RXDI (UART)
17GNDGNDGround Reference Pin (GND)
18VSI/OMultiplexed I/O & Peripheral Pin VS (General)
19VSI/OMultiplexed I/O & Peripheral Pin VS (General)
20VSI/OMultiplexed I/O & Peripheral Pin VS (General)
21RXBII/OMultiplexed I/O & Peripheral Pin RXBI (General)
22RXAII/OMultiplexed I/O & Peripheral Pin RXAI (General)
23RXBOI/OMultiplexed I/O & Peripheral Pin RXBO (General)
24RXAOI/OMultiplexed I/O & Peripheral Pin RXAO (General)
25VOUTBPowerPower Supply Input (VOUTB — 3.3V / 5.0V Standard Logic)
26EN1I/OMultiplexed I/O & Peripheral Pin EN1 (General)
27VOUTAPowerPower Supply Input (VOUTA — 3.3V / 5.0V Standard Logic)
28S1I/OMultiplexed I/O & Peripheral Pin S1 (General)
29EPGNDExposed Thermal & Ground Pad (EP)
PIN 1 IREF
I/O
Multiplexed I/O & Peripheral Pin IREF (General)
Design note: Signal terminal IREF (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: IREF. Supported peripheral buses: General.
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings)

Read the original datasheet PDF directly or click any drawing to view fullscreen
Open PDF in New Window ↗Read Datasheet PDF (.pdf)
PDF VIEWEROfficial Datasheet Document: C7215527 (Semiconductor · QFN-28_L5.0-W4.0-P0.50-BL-EP)
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP) - 2. Standard Pinout (Top View)
True package pinout (29 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP) - 4. Package Dimensions (D×E×A)
QFN-28_L5.0-W4.0-P0.50-BL-EP · 4.00×5.00mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP) - 5. Recommended Land Pattern
IPC-7351B Footprint (29 Pads)Expand ›
6. Application SchematicSCHEMATIC
C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP) - 6. Application Schematic
Typical Application SchematicExpand ›

Technical Specifications & Part Details (C7215527)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Standard Electronic & Interconnect Component
Detailed Overview:C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP) is a 28-pin standard electronic & interconnect component featuring a 5.00 × 4.00 × 0.85 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 1.8V ~ 5.5V (Theo Datasheet) supply operation across -40°C ~ +85°C (Industrial Grade) with integrated UART interfaces.
Operating Supply VoltageV_CC / V_DD
1.8V ~ 5.5V (Theo Datasheet)
Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins
Ambient Operating TemperatureT_A
-40°C ~ +85°C (Industrial Grade)
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
DC / Broadband Passive
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
Observe per-pin absolute maximum current limits
Package Envelope (D × E × A)D × E × A
5.00 × 4.00 × 0.85 mm (A1=0.03 mm)
Package family: QFN (QFN-28_L5.0-W4.0-P0.50-BL-EP)
Pin Count & Lead PitchN / e
28 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
UART
Cross-linked with 4D Pinout & Schematic Symbol
Reflow & Moisture SensitivityIPC / MSL
IPC-7351B Level B | J-STD-020 (Peak 260°C) | MSL-3
60% windowed solder paste stencil on thermal EPAD
Engineering Safety Alert: Verify Pin-1 chamfer orientation on Top Silkscreen prior to SMT pick-and-place assembly.
Engineering Safety Alert: Connect exposed thermal pad (if present) to internal ground plane via 0.3mm stitched thermal vias.

5-Point Standards Verification

Automated compliance checks prior to export
5/5 PASS
IEEE-315 Symbol29 auto-grouped pins
OK
IPC-7351B Land Pattern29 pads · Pitch 0.50mm
OK
IPC-7525 60% Solder PasteEPAD 3.67×2.65mm windowed grid
OK
DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm
OK
3D STEP AP214 & GLBAligned coordinate origin (0,0,0)
OK

Hardware Verification & Community Engineering Reviews

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet
5.00 PCB Verified

Mechanical Dimensions & Land Pattern (QFN-28_L5.0-W4.0-P0.50-BL-EP)

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
5.00 × 4.00 mm
Height (A) & Pitch (e)IPC-7351B
A=0.85mm · e=0.50mm
Pad Size (W × L)Level B
0.27 × 0.78 mm
Pins / Total PadsTopology
29P / 29Pad (QUAD_ROW)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives
DFM READY
Designator / Replacement MPNValue / PackageFunction & PCB Layout Rule
N/A
BOM
Per application circuit
QFN-28_L5.0-W4.0-P0.50-BL-EP
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP)

Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formats
IPC-7351B / IEEE-315

What is the Pinout and operating voltage specification of C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP)?

Manufactured by Semiconductor, the C7215527 is housed in a QFN-28_L5.0-W4.0-P0.50-BL-EP package with 29 pins and a 0.50 mm lead pitch. Key pins include: 1 (IREF: Multiplexed I/O & Peripheral Pin IREF (General)), 2 (VINA: Power Supply Input (VINA — 3.3V / 5.0V Standard Logic)), 3 (VINB: Power Supply Input (VINB — 3.3V / 5.0V Standard Logic)), 4 (GND: Ground Reference Pin (GND)), 5 (GND: Ground Reference Pin (GND)), 6 (VINC: Power Supply Input (VINC — 3.3V / 5.0V Standard Logic)).

What are the IPC-7351B PCB Footprint dimensions for C7215527?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), C7215527 (QFN-28_L5.0-W4.0-P0.50-BL-EP) has a nominal body envelope of 4.00 × 5.00 mm, pitch e = 0.50 mm, and 29 copper pads plus a central exposed thermal pad (EPAD) of 3.67 × 2.65 mm with a 60% IPC-7525 windowed solder paste grid.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for C7215527?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for C7215527 (Semiconductor, QFN-28_L5.0-W4.0-P0.50-BL-EP) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

Static Reference Appendix: Pinout Table (29 pins) & C7215527 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1IREFDigital_IOSignal terminal IREF (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: IREF. Supported peripheral buses: General.
2VINAPower_InPrimary positive power supply input (VINA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
3VINBPower_InPrimary positive power supply input (VINB) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
4GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
5GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
6VINCPower_InPrimary positive power supply input (VINC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
7VINDPower_InPrimary positive power supply input (VIND) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
8NCDigital_IOSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
9S2Digital_IOSignal terminal S2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: S2. Supported peripheral buses: General.
10VOUTDPower_InPrimary positive power supply input (VOUTD) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
11EN2Digital_IOSignal terminal EN2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: EN2. Supported peripheral buses: General.
12VOUTCPower_InPrimary positive power supply input (VOUTC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
13RXCODigital_IOSignal terminal RXCO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXCO. Supported peripheral buses: General.
14RXDODigital_IOSignal terminal RXDO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXDO. Supported peripheral buses: UART.
15RXCIDigital_IOSignal terminal RXCI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXCI. Supported peripheral buses: General.
16RXDIDigital_IOSignal terminal RXDI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXDI. Supported peripheral buses: UART.
17GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
18VSDigital_IOSignal terminal VS (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VS. Supported peripheral buses: General.
19VSDigital_IOSignal terminal VS (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VS. Supported peripheral buses: General.
20VSDigital_IOSignal terminal VS (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VS. Supported peripheral buses: General.
21RXBIDigital_IOSignal terminal RXBI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXBI. Supported peripheral buses: General.
22RXAIDigital_IOSignal terminal RXAI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXAI. Supported peripheral buses: General.
23RXBODigital_IOSignal terminal RXBO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXBO. Supported peripheral buses: General.
24RXAODigital_IOSignal terminal RXAO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXAO. Supported peripheral buses: General.
25VOUTBPower_InPrimary positive power supply input (VOUTB) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
26EN1Digital_IOSignal terminal EN1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: EN1. Supported peripheral buses: General.
27VOUTAPower_InPrimary positive power supply input (VOUTA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
28S1Digital_IOSignal terminal S1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: S1. Supported peripheral buses: General.
29EPGNDBottom exposed die attach pad (EP) providing primary thermal conduction path to the PCB and low-inductance 0V ground return.
ExplorePartsPackagesMFRsUpload