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Contents

README

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MCP41HV51-103E

Microchip Tech · Pre-ordered MCUs · TSSOP-14

MCP41HV51-103E 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 VL power_in Positive digital power supply input relative to DGND, ranging from 1.8V to 5.5V, with a decoupling capacitor to DGND recommended.
2 SCK input SPI serial clock input (Schmitt trigger), input-only since the device is an SPI slave.
3 CS input Chip select input (Schmitt trigger); forcing it to VIL enables serial commands.
4 SDI input SPI serial data input (Schmitt trigger), connected to the host controller's SDO pin.
5 SDO output SPI serial data output used to read the wiper and TCON registers or monitor the command error bit.
6 WLAT input Wiper latch enable input: 0 transfers the received SPIBUF value to the wiper register, 1 holds the received data in SPIBUF.
7 SHDN input Shutdown input (Schmitt trigger) that forces the resistor network terminals into the hardware shutdown state.
8 NC unconnected Not internally connected to the die; connect to DGND or VL to reduce noise coupling.
9 DGND power_in Digital ground reference of the device.
10 V- power_in Analog negative potential supply, which must not have a higher potential than the DGND pin.
11 P0B passive Potentiometer 0 Terminal B, the fixed zero-scale (wiper code 0x00) connection, with voltage required to be between V+ and V-.
12 P0W passive Potentiometer 0 wiper terminal, adjustable, supporting positive and negative current, with voltage required to be between V+ and V-.
13 P0A passive Potentiometer 0 Terminal A, the fixed full-scale (0xFF for 8-bit, 0x7F for 7-bit) connection, with voltage required to be between V+ and V-.
14 V+ power_in Analog positive potential supply, which must be at a higher potential than the V- pin.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TSSOP-14
Category Embedded Processors & Controllers
Pins 14

CAD (KiCad official)

  • Symbol: MCP41HV51-103E
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: mcp41hv51-103e-etched.step / mcp41hv51-103e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mcp41hv51-103e.step / mcp41hv51-103e.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (92 pp, sha256 93f543bd1e07174a, retrieved 2026-10-23, tier: lcsc)
  • 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