SRBI S09 DC-DC Automatic Buck Boost Power Module 5V

SRBI S09 DC-DC Automatic Buck Boost Power Module 5V delivers a stable 5V output regardless of whether the input voltage rises above or falls below the target threshold. This versatile regulator actively supports battery-powered systems where cell voltage drops over time. Consequently, the module automatically switches between step-up and step-down modes to maintain consistent device operation. Furthermore, its miniature footprint simplifies integration into space-constrained projects. Therefore, users can confidently deploy this module to protect sensitive electronics from fluctuating power supplies.

Key Features:

• Automatic Buck-Boost Operation: The module automatically transitions between step-up and step-down regulation, thereby maintaining a fixed 5V output despite varying input voltages.
• High Efficiency: Utilizing advanced synchronous rectification, the board achieves conversion efficiencies up to 90%, thus conserving precious battery life.
• Wide Input Range: It accepts a broad input spectrum, handling inputs from 3.0V up to 15V smoothly.
• Low Ripple Output: The internal filtering network minimizes output voltage ripple, hence protecting sensitive microcontrollers from electrical noise.
• Compact Footprint: Its ultra-small dimensions allow seamless placement on custom printed circuit boards or within tight enclosures.

Technical Specifications:

• Input Voltage Range: 3.0V to 15V DC
• Output Voltage: Fixed 5V DC (±2% accuracy)
• Maximum Output Current: 600 mA (Continuous)
• Maximum Efficiency: ≈ 90%
• Output Ripple: ≤ 50 mV
• Switching Frequency: ≈ 1.2 MHz
• Operating Temperature Range: −40°C to +85°C

Mechanical Specifications:

• Board Material: High-quality FR4 double-sided PCB
• Mounting Type: Surface mount or through-hole solder pads
• Solder Pad Pitch: Standard 2.54 mm spacing
• Cooling Method: Natural air convection cooling

Dimensions:

• Length: ≈ 19.0 mm
• Width: ≈ 14.0 mm
• Height: ≈ 4.5 mm
• Weight: ≈ 1.5 g

Pinout and Wiring:

• VIN+ (Input Positive): Connect this pad to your positive unregulated input source.
• VIN- (Input Negative/GND): Connect this pad to the negative input or system common ground.
• VOUT+ (Output Positive): Connect this pad to the positive terminal of your 5V load.
• VOUT- (Output Negative/GND): Connect this pad to the ground terminal of your 5V load.
• Wiring Note: However, you must keep the input and output wires as short as possible to minimize parasitic resistance and optimize voltage regulation stability.

Datasheet Reference:

• Download S09 Buck Boost Power Module Datasheet

Commonly Used in:

• Battery-Powered Gadgets: Supplying a steady 5V source from lithium-ion, NiMH, or alkaline batteries.
• Arduino and DIY Robotics: Powering 5V microcontrollers and sensors from fluctuating power banks or battery packs.
• Automotive Electronics: Regulating variable voltages from 12V automotive networks down to a safe 5V level for auxiliary accessories.

Applications:

• IoT Edge Nodes: Ensuring continuous power to wireless sensor nodes that experience erratic supply variations.
• Solar-Powered Systems: Stabilizing the unpredictable output voltage from small solar panels to charge 5V storage devices safely.
• Handheld Instrumentation: Maintaining precise reference voltages within portable measurement tools.

Equivalent Models:

• TPS63000 Module: This Texas Instruments buck-boost solution functions similarly, although it features a slightly different pin footprint.
• XL6009 Buck-Boost Board: This larger, adjustable step-up/down regulator board can also output a stable 5V, however, it occupies significantly more physical space.
• S7V7F5 Converter: This popular miniature automatic step-up/step-down 5V regulator provides direct performance parity for compact installations.

Package Includes:

• 1 x SRBI S09 DC-DC Automatic Buck Boost Power Module 5V