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The XY-3606 DC-DC 5V 5A Step-Down Buck Converter Module is a high-performance, synchronous-rectified voltage regulator designed to convert high-voltage DC power sources into clean, regulated $5.2\text{V DC}$ power. Designed to replace older, energy-inefficient linear regulators (such as LM2596 series modules), the XY-3606 significantly minimizes thermal power dissipation while delivering up to $96\%$ power conversion efficiency.

Whether you are stepping down a $12\text{V}$ automotive battery, a $24\text{V}$ industrial power rail, or a $36\text{V}$ e-bike battery pack, this module provides a continuous, surge-protected $5.2\text{V}$ output rail. The slight voltage calibration ($5.2\text{V}$ instead of nominal $5.0\text{V}$) accounts for line drops across USB cables, ensuring full $5.0\text{V}$ delivery at the end load.

The board incorporates a fast-charge recognition chip behind its USB Type-A port, enabling full compatibility with Android and iOS fast-charging protocols. With both terminal blocks and a standard $5.5\text{mm}\times 2.1\text{mm}$ DC socket on the input side, as well as terminal blocks and a USB socket on the output side, integration into custom DIY projects or embedded enclosures is seamless.

Key Features and Benefits

• Synchronous Rectification Topology: Delivers high power conversion efficiency ($upto96\%$) with minimal heat generation under heavy current loads.

• Wide Input Voltage Range ($9\text{V}-36\text{V}$): Compatible with $12\text{V}$ SLA batteries, $24\text{V}$ industrial SMPS rails, and multi-cell LiPo battery packs.

• High Output Power Handling ($30\text{W}$ Max): Delivers up to $6\text{A}$ peak ($5\text{A}$ continuous) at $5.2\text{V}$ to comfortably power current-hungry single-board computers like Raspberry Pi 4 / 5.

• Fast-Charge Identification Chip: Integrated auto-detect IC configures data lines ($D+/D-$) for fast charging smartphones and tablet computers.

• Dual Connector Versatility: Offers screw terminal blocks and $5.5\text{mm}\times 2.1\text{mm}$ DC jack inputs, alongside terminal block and USB-A outputs.

Technical Specifications

Interface & Terminal Mapping

1. Interface Connections:

2. Power Flow Schematic:

 [9V - 36V DC Source] ---> [DC Socket or IN+/IN-] ---> [XY-3606 Synchronous Buck] ---> [5.2V @ 5A Output]
                                                                                             |
                                                                        +--------------------+--------------------+
                                                                        |                                         |
                                                                [USB-A Fast Charge Port]             [OUT+/OUT- Terminal]

Applications

• Raspberry Pi & Single Board Computer Powering: Reliable high-current power supply for Raspberry Pi 3B+/4B/5 preventing under-voltage warnings during heavy CPU loads.

• Mobile Robotics & Automotive Accessories: Stepping down $12\text{V}/24\text{V}$ vehicle batteries to power $5\text{V}$ sensors, microcontrollers, and servos.

• Custom Solar & USB Charging Stations: Converting $18\text{V}$ solar panel outputs into stabilized $5\text{V}$ USB charger banks.

• DIY Industrial Enclosures: Powering $5\text{V}$ displays, relays, and IoT gateways directly off $24\text{V}$ industrial control rails.

Package Includes

• 1 x 24V/12V to 5V 5A Power Module DC-DC XY-3606 Power Converter Board

Shipping & Delivery

• Free shipping on orders above ₹999 across India

• Dispatched within 1-3 business days

• Expected delivery: 3-7 business days depending on location

• Anti-static ESD protective packaging for safe transit