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MCP4551-103E

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Microchip Tech Digital Potentiometers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MCP4551-103E

Microchip Tech · Digital Potentiometers · MSOP-8

MCP4551-103E from Microchip Tech, in a MSOP-8. 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 HVC/A0 input High Voltage Command / Address 0 input of the I2C interface, latched at POR/BOR as address bit A0, and selects a High Voltage command when at VIHH; high-voltage tolerant (up to 12.5V) with Schmitt trigger and smart pull-up.
2 SCL input I2C serial clock input from the host controller (slave device accepts only external clocks); high-voltage tolerant input with Schmitt trigger.
3 SDA bidirectional I2C serial data I/O with an open-drain N-channel output driver; high-voltage tolerant input with Schmitt trigger.
4 VSS power_in Device ground reference.
5 P0A passive Potentiometer 0 terminal A, the fixed connection to the full-scale wiper value; no polarity, supports positive and negative current, and its voltage must be between VSS and VDD.
6 P0W passive Potentiometer 0 wiper terminal, the adjustable terminal; no polarity, supports positive and negative current, and its voltage must be between VSS and VDD.
7 P0B passive Potentiometer 0 terminal B, the fixed connection to the zero-scale wiper value (0x00); no polarity, supports positive and negative current, and its voltage must be between VSS and VDD.
8 VDD power_in Positive power supply input relative to VSS; device operates from 1.8V to 5.5V, with characteristics specified from 2.7V to 5.5V.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package MSOP-8
Category ADC/DAC/Data Conversion
Pins 8

CAD (KiCad official)

  • Symbol: MCP4551-103E
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: mcp4551-103e-etched.step / mcp4551-103e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mcp4551-103e.step / mcp4551-103e.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (102 pp, sha256 ee77464c39584a73, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-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).

Datasheet PDF