TC32MCDB (SOT-223) — Schematic Symbol, IPC-7351B Footprint & 3D STEP Model

Q: What is the Pinout and operating voltage specification of TC32MCDB (SOT-223)?

Manufactured by MICROCHIP, the TC32MCDB is housed in a SOT-223 package with 4 pins and a 2.30 mm lead pitch, supporting a VCC supply range of 4.5V to 5.5V. Key pins include: 1 (GND: Ground Reference Pin (GND)), 2 (VDD: Power Supply Input (VDD — 4.5V to 5.5V)), 3 (RS: Multiplexed I/O & Peripheral Pin RS (General)), 4 (VDD: Power Supply Input (VDD — 4.5V to 5.5V)).

Q: What are the IPC-7351B PCB Footprint dimensions for TC32MCDB?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), TC32MCDB (SOT-223) has a nominal body envelope of 3.50 × 6.50 mm, pitch e = 2.30 mm, and 4 copper pads.

Q: Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for TC32MCDB?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for TC32MCDB (MICROCHIP, SOT-223) 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.

1. SYMBOL

2. 2D FOOTPRINT

3. 3D CAD MODEL

Package Body: 6.50mm × 3.50mm · Pitch: 2.30mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (4/4)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D

Pin	Symbol	Type	Function (EN)
1	GND	GND	Ground Reference Pin (GND)
2	VDD	Power	Power Supply Input (VDD — 4.5V to 5.5V)
3	RS	I/O	Multiplexed I/O & Peripheral Pin RS (General)
4	VDD	Power	Power Supply Input (VDD — 4.5V to 5.5V)

PIN 1 GND

GND

Ground Reference Pin (GND)

Design note: Ground .

IPC-7351B Solder Density & Span C/G/Z Tuner

Extracted Drawings Gallery (6 Standard Drawings + 8 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen

1. Realistic 3D PackageREPRESENTATIVE

TC32MCDB (SOT-223) - 1. Realistic 3D Package

Detailed solid 3D bodyExpand ›

2. Standard Pinout (Top View)CLEANROOM PINOUT

TC32MCDB (SOT-223) - 2. Standard Pinout (Top View)

True package pinout (4 pins)Expand ›

3. Original Datasheet PinoutPDF PINOUT

TC32MCDB (SOT-223) - 3. Original Datasheet Pinout

Uncropped datasheet pin diagramExpand ›

4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS

TC32MCDB (SOT-223) - 4. Package Dimensions (D×E×A)

SOT-223 · 6.50×3.50mm · Pitch 2.30mmExpand ›

5. Recommended Land PatternLAND PATTERN

TC32MCDB (SOT-223) - 5. Recommended Land Pattern

IPC-7351B Footprint (4 Pads)Expand ›

6. Application SchematicSCHEMATIC

TC32MCDB (SOT-223) - 6. Application Schematic

Typical Application SchematicExpand ›

Original Datasheet Pinouts & Technical Drawings (8 figures · Page 1/1)

Showing 1–8 of 8 uncropped original figures for TC32MCDB

P1 · p01_fig01EXACT PACKAGE

TC32MEZB TO-92 -40°C to +85°C

P7 · p07_fig01EXACT PACKAGE

4.0 PACKAGING INFORMATION

P1 · p01_fig01P1

Datasheet Page 1 (p01_fig01)

P2 · p02_fig01867×721px

TC32M

P2 · p02_fig02867×662px

Functional Block Diagram Typical Operating Circuit | 5V | R1, 10 kΩ | R2, 10 kΩ | RS TC32M | Microcontroller | Reset | PO.1 | Reset

P7 · p07_fig01P7

Datasheet Page 7 (p07_fig01)

P8 · p08_fig011260×1106px

4.3 Package Dimensions

P8 · p08_fig021777×983px

TC32MCDB (SOT-223) — DS21402D-page 8  2001-2012 Microchip Technology Inc. | .105 (2.67) .095 (2.41) | .018 (0.46) .015 (0.38) | .135 (3.43) | Min. | .500 (12.70) | Min. .210 (5.33) .170 (4.32) | .205 (5.21) .175 (4.45) | .165 (4.19) .125 (3.18) | .105 (2.67) .

DS21402D-page 8  2001-2012 Microchip Technology Inc. | .105 (2.67) .095 (2.41) | .018 (0.46) .015 (0.38) | .135 (3.43) | Min. | .500 (12.70) | Min. .210 (5.33) .170 (4.32) | .205 (5.21) .175 (4.45) | .165 (4.19) .125 (3.18) | .105 (2.67) .

Technical Specifications & Part Details (TC32MCDB)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)

Low-Dropout Linear Voltage Regulator (LDO)

Detailed Overview:TC32MCDB (SOT-223) is a 4-pin low-dropout linear voltage regulator (ldo) featuring a 6.50 × 3.50 × 1.60 mm mechanical envelope (lead pitch e = 2.30 mm). Rated for 4.5V to 5.5V supply operation across 0°C to +70°C with integrated Standard I/O / Passive interfaces.

Operating Supply VoltageV_CC / V_DD

4.5V to 5.5V

Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins

Ambient Operating TemperatureT_A

0°C to +70°C

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

6.50 × 3.50 × 1.60 mm (A1=0.06 mm)

Package family: SOT223 (SOT-223)

Pin Count & Lead PitchN / e

4 Pins | Pitch e = 2.30 mm (90.6 mil)

Normalized to Center-to-Center Span C per IPC-7351B

Integrated Peripheral InterfacesBuses

Standard I/O / Passive

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 Symbol4 auto-grouped pins

IPC-7351B Land Pattern4 pads · Pitch 2.30mm

IPC-7525 60% Solder PasteReflow 1:1 Standard

DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm

3D STEP AP214 & GLBAligned coordinate origin (0,0,0)

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 (SOT-223)

Extracted from Datasheet & IPC-7351B Normalized

Package Body (D × E)Nominal

6.50 × 3.50 mm

Height (A) & Pitch (e)IPC-7351B

A=1.60mm · e=2.30mm

Pad Size (W × L)Level B

0.95 × 2.00 mm

Pins / Total PadsTopology

4P / 4Pad (SOT_TAB)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives

DFM READY

Designator / Replacement MPN	Value / Package	Function & PCB Layout Rule
N/A BOM	Per application circuit SOT-223	Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — TC32MCDB (SOT-223)

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 TC32MCDB (SOT-223)?

Manufactured by MICROCHIP, the TC32MCDB is housed in a SOT-223 package with 4 pins and a 2.30 mm lead pitch, supporting a VCC supply range of 4.5V to 5.5V. Key pins include: 1 (GND: Ground Reference Pin (GND)), 2 (VDD: Power Supply Input (VDD — 4.5V to 5.5V)), 3 (RS: Multiplexed I/O & Peripheral Pin RS (General)), 4 (VDD: Power Supply Input (VDD — 4.5V to 5.5V)).

What are the IPC-7351B PCB Footprint dimensions for TC32MCDB?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), TC32MCDB (SOT-223) has a nominal body envelope of 3.50 × 6.50 mm, pitch e = 2.30 mm, and 4 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for TC32MCDB?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for TC32MCDB (MICROCHIP, SOT-223) 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 (4 pins) & TC32MCDB Family VariantsExpand static table

Pin #	Signal Name	Electrical Type	Functional Description & Design Notes
1	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
2	VDD	Power_In	Primary positive power supply input (VDD) operating in the 4.5V to 5.5V domain (Max rating: 5.5V).
3	RS	Digital_IO	Signal terminal RS (I/O, 4.5V to 5.5V domain). Multiplexed alternate functions: RS. Supported peripheral buses: General.
4	VDD	Power_In	Primary positive power supply input (VDD) operating in the 4.5V to 5.5V domain (Max rating: 5.5V).

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