Mechanical Dimensions & Land Pattern (QFN-28-EP(6x6))
Extracted from Datasheet & IPC-7351B NormalizedRecommended Companion BOM & Drop-In Equivalents
Passive external components per reference schematic and 1:1 pin-compatible alternatives| Designator / Replacement MPN | Value / Package | Function & PCB Layout Rule |
|---|---|---|
| N/A BOM | Per application circuit QFN-28-EP(6x6) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — PIC24F16KA102-I/ML (QFN-28-EP(6x6))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of PIC24F16KA102-I/ML (QFN-28-EP(6x6))?
Manufactured by MICROCHIP, the PIC24F16KA102-I/ML is housed in a QFN-28-EP(6x6) package with 29 pins and a 0.65 mm lead pitch, supporting a VCC supply range of 1.8V to 3.6V. Key pins include: 1 (ST: Multiplexed I/O & Peripheral Pin ST (General)), 2 (ST: Multiplexed I/O & Peripheral Pin ST (General)), 3 (ST: Multiplexed I/O & Peripheral Pin ST (General)), 4 (ST: Multiplexed I/O & Peripheral Pin ST (General)), 5 (ST: Multiplexed I/O & Peripheral Pin ST (General)), 6 (ANA: Multiplexed I/O & Peripheral Pin ANA (General)).
What are the IPC-7351B PCB Footprint dimensions for PIC24F16KA102-I/ML?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC24F16KA102-I/ML (QFN-28-EP(6x6)) has a nominal body envelope of 6.00 × 6.00 mm, pitch e = 0.65 mm, and 29 copper pads plus a central exposed thermal pad (EPAD) of 4.70 × 4.70 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 PIC24F16KA102-I/ML?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC24F16KA102-I/ML (MICROCHIP, QFN-28-EP(6x6)) 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) & PIC24F16KA10 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: General. |
| 2 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: General. |
| 3 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: General. |
| 4 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: General. |
| 5 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: General. |
| 6 | ANA | Digital_IO | Signal terminal ANA (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ANA. Supported peripheral buses: General. |
| 7 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: General. |
| 8 | — | Digital_IO | Signal terminal — (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 9 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: U1CTS. Supported peripheral buses: General. |
| 10 | — | Digital_IO | Signal terminal — (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: U1RTS. Supported peripheral buses: General. |
| 11 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: General. |
| 12 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: SPI. |
| 13 | — | Digital_IO | Signal terminal — (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 14 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: General. |
| 15 | ST | Digital_IO | Signal terminal ST (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ST. Supported peripheral buses: General. |
| 16 | — | Digital_IO | Signal terminal — (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 17 | — | Digital_IO | Signal terminal — (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 18 | — | Digital_IO | Signal terminal — (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 19 | ANA | Digital_IO | Signal terminal ANA (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ANA. Supported peripheral buses: General. |
| 20 | ANA | Digital_IO | Signal terminal ANA (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: ANA. Supported peripheral buses: General. |
| 21 | IO10 | Digital_IO | GPIO10 / RTC_GPIO10 / TOUCH10 / ADC1_CH9 / FSPICS0 |
| 22 | IO11 | Digital_IO | GPIO11 / RTC_GPIO11 / TOUCH11 / ADC2_CH0 / FSPID |
| 23 | IO12 | Digital_IO | GPIO12 / RTC_GPIO12 / TOUCH12 / ADC2_CH1 / FSPICLK |
| 24 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 25 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 1.8V to 3.6V domain (Max rating: 3.6V). |
| 26 | #MCLR/VPP/RA5 | Digital_IO | Signal terminal #MCLR/VPP/RA5 (I/O, 1.8V to 3.6V domain). Multiplexed alternate functions: #MCLR/VPP/RA5. Supported peripheral buses: General. |
| 27 | AN0/VREF+/CN2/RA0 | Analog | Signal terminal AN0/VREF+/CN2/RA0 (Analog, 1.8V to 3.6V domain). Multiplexed alternate functions: AN0/VREF+/CN2/RA0. Supported peripheral buses: General. |
| 28 | AN1/VREF-/CN3/RA1 | Analog | Signal terminal AN1/VREF-/CN3/RA1 (Analog, 1.8V to 3.6V domain). Multiplexed alternate functions: AN1/VREF-/CN3/RA1. Supported peripheral buses: General. |
| 29 | EP | GND | Bottom exposed die attach pad (EP) providing primary thermal conduction path to the PCB and low-inductance 0V ground return. |











