DC-DC Boost Module (0.9-5V)

DC-DC Boost Module (0.9–5V) is a compact power conversion board designed to step up low-voltage sources to a stable 5V output suitable for small electronics and embedded platforms. This boost converter module accepts input voltages from 0.9V to 5V and elevates them to regulated USB-level power, making the circuit ideal for portable energy systems and battery-powered prototypes. Integrated PFM DC‑DC control circuitry delivers efficient voltage boosting while maintaining a small footprint. Dual input connectors support direct connection with rechargeable cells such as 3.7 V lithium battery packs, enabling reliable power delivery for development boards including Arduino and other 5V electronics.

Figure: DC-DC Boost Module (0.9–5V)

Note: Please pay attention to the battery polarity when connecting the battery.

Wide Low‑Voltage Boost Capability

A high‑efficiency PFM DC‑DC boost control chip enables stable conversion from extremely low input voltages ranging between 0.9V and 5V. This power step‑up board converts weak energy sources such as single lithium cells, small battery packs, or experimental generators into a regulated 5V supply. Typical conversion efficiency reaches around 85%, ensuring minimal energy loss while supporting output currents up to approximately 500–600 mA for compact electronics and microcontroller projects.

Dual Battery Input Interfaces

The miniature voltage booster integrates two convenient input connectors: PH2.0 and KF235‑3.81‑2P. These interfaces allow flexible power integration with common lithium batteries and wiring terminals without additional adapters. Such connector versatility simplifies rapid prototyping in portable electronics, battery‑powered robotics, and mobile development setups where stable voltage regulation is required from compact energy sources.

Direct 5V USB Output for Embedded Systems

A built‑in USB output interface delivers standardized 5V power directly to development boards and small digital devices. This portable DC‑DC power converter therefore functions as a practical supply module for microcontroller platforms, USB gadgets, and lightweight electronics assemblies. The compact PCB footprint also makes the voltage booster suitable for integration inside custom enclosures or handheld energy projects.

This compact boost regulator module suits portable power systems, experimental generators, battery‑powered robotics, and educational electronics demonstrations. Reliable voltage elevation from low‑voltage sources enables applications such as hand‑crank charging experiments, embedded prototypes, DIY power banks, and classroom energy conversion demonstrations within STEM Education environments.

• Boosts 0.9–5V input voltage to stable 5V output
• Integrated PFM DC‑DC boost control chip
• Up to 500–600 mA output current
• Typical conversion efficiency around 85%
• Dual input connectors: PH2.0 and KF235‑3.81‑2P
• Standard USB output interface
• Compact and lightweight PCB design
• Compatible with lithium battery powered systems

• Input Voltage: 0.9 V to 5 V
• Output Voltage: 5 V
• Conversion Efficiency: 85% (Typ.)
• Duty ratio coefficient: 66% to 78%
• The input interface: PH2.0; KF235-3.81-2P
• Output interface: USB
• Size: 43 * 33 mm/ 1.69 * 1.3 inches
• Weight: 14g

• DC-DC Boost Module x1

• Portable battery-powered electronics
• Microcontroller and embedded development boards
• DIY power bank and USB charging projects
• Hand-crank or experimental energy generator projects
• Robotics and mobile prototypes
• STEM Education energy conversion demonstrations