Overview

Documentation for USB-PD powered modular synthesizer power supply.

Project Features

4-Stage Design

1. USB-PD Power Supply (STUSB4500)

2. DC-DC Converters (LM2596S x 3)

3. Linear Regulators (LM7812/7805/7912)

4. Protection Circuit (PTC + Fuse + TVS)

Performance

• Output: +12V/1.5A, -12V/1A, +5V/1.5A

• Ripple: <1mVp-p

• Efficiency: 75-80%

• Protection: 2-stage (PTC auto-reset + fuse backup)

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