component
MCP42050-I
Public Made by Adomby adom
Microchip Tech Digital Potentiometers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMCP42050-I
Microchip Tech · Digital Potentiometers · TSSOP-14
MCP42050-I from Microchip Tech, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | CS | input | SPI chip select; a new command is executed after it has been loaded into the shift register, and the pin has a Schmitt Trigger input. |
| 2 | SCK | input | SPI serial clock; data is clocked into SI on the rising edge and out of SO on the falling edge, and the pin has a Schmitt Trigger input. |
| 3 | SI | input | SPI serial data input for the command and data bytes, gated to CS and with a Schmitt Trigger input. |
| 4 | VSS | power_in | Ground reference for the device. |
| 5 | PB1 | passive | Terminal B connection for potentiometer 1. |
| 6 | PW1 | passive | Wiper connection for potentiometer 1. |
| 7 | PA1 | passive | Terminal A connection for potentiometer 1. |
| 8 | PA0 | passive | Terminal A connection for potentiometer 0. |
| 9 | PW0 | passive | Wiper connection for potentiometer 0. |
| 10 | PB0 | passive | Terminal B connection for potentiometer 0. |
| 11 | RS | input | Reset input that sets all potentiometers to mid-scale (Code 80h) when held low for at least 150 ns; it should not be toggled low while CS is low and must not be left floating. |
| 12 | SHDN | input | Shutdown input that, when pulled low, opens the A terminal and connects B and W for all potentiometers; it should not be toggled low while CS is low and must not be left floating. |
| 13 | SO | output | Push-pull serial data output for daisy-chaining; it does not go high-impedance when CS is high and drives logic-low instead. |
| 14 | VDD | power_in | Positive supply, specified for single supply operation from 2.7V to 5.5V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | TSSOP-14 |
| Category | ADC/DAC/Data Conversion |
| Pins | 14 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | 8-Lead Plastic Small Outline (SN), Narrow, 150 mil (SOIC) Foot Angle φ 048048 | 25 |
CAD (KiCad official)
- Symbol:
MCP42050-I - Footprint:
Package_SO:TSSOP-14_4.4x5mm_P0.65mm - 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files:
mcp42050-i-etched.step/mcp42050-i-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mcp42050-i.step/mcp42050-i.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (32 pp, sha256
6bee8156c8b9f1f6, retrieved 2026-10-28, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).