PowerPole Power Supply HAT for Raspberry Pi 12-24V

PowerPole Power Supply HAT for Raspberry Pi

Features & Functionality

• Low Ripple: <15 mV peak-to-peak ripple, ensuring stable operation for sensitive applications.
• Stackable: Full GPIO passthrough with extension header for additional HATs.
• Cooling Options: Mounting holes for Raspberry Pi Zero HATs, support for two mini fans, and optional air duct.
• Component Orientation: Upward-facing by default; downward-facing version available for enhanced RF shielding in stacked setups.
• Robust Power Delivery: Accepts 12–24 V DC input, delivers ±5 V output at up to 3 A.

Compatibility

Tested and verified with:

• Raspberry Pi 3
• Raspberry Pi 4
• Raspberry Pi 5

A dedicated variant exists for Raspberry Pi Zero: see the 2021-P-052 model.

Performance Measurements

Measurements were taken under two conditions:

1. Initial boot sequence – increasing power demand.
2. High CPU load – simulating peak current draw in real-world use.

Ripple Performance

Ripple voltage remains consistently <15 mVpp, preventing noise injection into sensitive circuits.

Radiated Emissions (1–500 MHz)

Tested with a compact TEM cell and 50-ohm load. Results show radiated emissions within acceptable limits, measured below 10 dBµV peak.

Test Setup

• Baseline: Pi Zero powered from a clean 5 V lab supply.
• Comparison: Pi Zero powered via the PowerPole HAT.
• Result: Both setups remained within emission limits, confirming suitability for RF-sensitive use.

Technical Specifications

• PCB Technology: ENIG (Electroless Nickel Immersion Gold)
• Compliance: RoHS certified
• Component Orientation: Upward-facing (alternative downward version available)
• Regulator: LM2596S switching IC
• Ripple: <15 mVpp
• Input Voltage: 12–24 V DC
• Output Voltage: ±5 V
• Maximum Current: 3 A
• Radiated Emissions: <10 dBµV peak

Measurement Results

Ripple

Radiated Emissions (1–500 MHz)

Raspberry Pi Zero with PowerPole HAT

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