9V Battery Kit ( 9V To 5V )

Description:

A 9V to 5V battery kit is often employed in applications where portability or battery operation is necessary. The kit typically contains a 9V battery clip, a voltage regulator (such as the LM7805 or a buck converter), and necessary connecting terminals or wires to simplify the connection to electronic components.

Specifications:

While specifications can differ based on the design and components used, here are typical specifications for a 9V to 5V battery kit:

• Input Voltage: 9V DC (usually from a 9V battery)
• Output Voltage: 5V DC
• Output Current:
  • For linear regulators (like LM7805): up to 1A (may vary; check specific model)
  • For DC-DC buck converters: typically more efficient, with output current often up to 2A or higher depending on the model
• Efficiency:
  • Linear regulators: Around 60-75% efficiency (wasted power as heat).
  • Buck converters: Around 80-95% efficiency (much less wasted power).
• Protection Features:
  • Short-circuit protection
  • Over-temperature protection
• Size: Generally compact; dimensions vary based on the regulator type and design (typically around 30mm x 20mm for the PCB).
• Operating Temperature: Usually from -20°C to +85°C
• Battery Connection: Standard 9V battery clip with terminals for easy connection to the battery
• Output Connector: May include terminals or connectors (like JST or barrel jack) compatible with common electronic projects.

Applications:

• Microcontrollers (e.g., Arduino, Raspberry Pi) requiring 5V input
• Sensors and modules typically designed for 5V operation
• Portable electronic devices
• Robotics and DIY projects
• Prototyping where a stable 5V is required from battery power

Conclusion:

When selecting or using a 9V to 5V battery kit, consider factors such as current requirements for your application, the efficiency of the voltage regulation, and thermal management (especially for linear regulators). Various kits are available on the market, so check the datasheets for specific features and capabilities. This ensures you select the most appropriate kit for your needs.