Adapters & Chargers
71 products
Types of Adapters and Chargers
This category covers a wide range of products including AC-DC adapters, desktop power supplies, wall-mounted adapters, USB chargers, and battery charging modules. Each adapter type stands out with different output voltage and current ratings. In addition to fixed-voltage adapters (12V, 5V, 24V, etc.), adjustable laboratory-style models are also available.
Choosing an Adapter for Your Projects
Paying attention to the following points will ensure your project runs reliably:
- Output voltage: Must exactly match the required voltage of your circuit. Incorrect voltage can permanently damage components.
- Current rating: The adapter's current capacity should be at least 20% higher than the total drawn current. Insufficient current causes overheating and voltage drop.
- Connector type and polarity: Barrel jack size (e.g., 5.5/2.1 mm, 5.5/2.5 mm), USB-A, USB-C, or proprietary plug compatibility must be reviewed. Also, check center-positive/negative polarity.
- Efficiency and regulation: Switching adapters provide high efficiency, while linear adapters have lower noise. For sensitive analog circuits, a linear type may be preferred.
Chargers and Battery Management
Dedicated chargers for lithium-ion, Li-Po, NiMH, and lead-acid batteries make the charging process safe. These devices operate with CC/CV (constant current/constant voltage) profile, preventing overcharging and extending battery life. Popular modules like TP4056 and TP5100 allow building simple charge circuits; BMS (Battery Management System) boards balance multi-cell battery packs.
