Description
Overview
A potted buck module that drops a vehicle or battery rail to a regulated 5 V USB output. Five variants cover 8–58 V, 12–80 V and 20–90 V inputs at 5 V 3 A, or QC3.0 at 20 W.
Specifications
- Input: 8–58 V, 12–80 V or 20–90 V by variant
- Output: 5 V at 3 A
- Fast charging: QC3.0, 20 W
- USB ports: one or two on 8–58 V versions
- Input jack: DC5521 on the 20–90 V variant
- Variants: 8-58V 1USB, 8-58V 2USB, 8-58V QC3.0, 12-80V QC3.0, DC5521 20-90V
Purpose
72 V packs and sagging 12 V circuits sit far outside a phone’s input range. One stage gives a clean 5 V rail without tapping a cell.
Applications
- Motorcycle and scooter charging
- Small car and UTV accessories
- E-bike handlebar charging
- Dash cameras on 24 V or 48 V harnesses
How to Use
- Measure the rail with the vehicle running, then pick a variant whose input window contains it.
- Wire the input with correct polarity; nothing here protects against reversal.
- Mount where air moves, clear of engine and controller heat.
- Caution: exceeding your variant’s window destroys the converter — a 58 V unit on a 72 V pack, or a 20–90 V unit on 12 V. Fuse the input line.
- Keep combined draw within 3 A at 5 V.
Need help specifying this connector?
Use our practical guides for current and wire selection, connector validation and OEM harness drawings.

































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