Voltage Control

Voltage Control

Voltage control devices create stable supply rails from fluctuating sources and are essential for powering microcontrollers, sensors, actuators and small motor drivers in robotics and embedded projects. They’re designed to work with common power sources such as batteries, USB, and regulated rails, and they come in compact formats suitable for dense boards or breadboard prototyping.

Regulators fall into step-up, step-down, or buck-boost topologies, with outputs that can be fixed or adjustable. Many units include protections and indicators for reliable operation, while switching types prioritise efficiency and thermal performance and linear types favour simplicity. Packages range from tiny surface‑mount modules to larger through‑hole styles, making integration straightforward on power rails and boards.

Projects value matching input and load conditions with compatible voltages, reliability under varying temperatures, and straightforward integration. Differentiation comes from topology, protection features, efficiency, size, and how easily they integrate with existing rails and controllers.

Subcategories

Clear

Digital LED Voltmeter

Code: SKU-004152

This Digital LED Voltmeter measures the voltage at a particular point of the system it has been hooked up to and then provides a readout on its three 7-segment LEDs. This voltmeter is able to provide a readout of voltages from 2.5VDC to 30VDC within a 1% accuracy.

$ 5.95

In stock in Australia

Shipping from $4.90

+966 more from our supplier in 7-10 days

SparkFun Nano Power Timer - TPL5110

Code: SKU-005574

The SparkFun Nano Power Timer will run while only consuming minimal power (approximately 35nA) and turn your project on after a set amount of time.

$ 12.95

In stock in Australia

Shipping from $4.90

+28 more from our supplier in 7-10 days

SparkFun Soft Power Switch - USB-C

Code: SKU-010710

The SparkFun Soft Power Switch is a passive, hard on/off switch with software feedback and control via USB-C connectors.

$ 13.95

In stock in Australia

Shipping from $4.90

+88 more from our supplier in 7-10 days

Voltage Regulator - 3.3V

Code: SKU-000066

This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage.

$ 3.55

In stock in Australia

Shipping from $4.90

+27 more from our supplier in 7-10 days

Voltage Regulator - Adjustable

Code: SKU-000067

This is the LM317TG voltage regulator a three-terminal positive regulator with a 1.2V to 37V adjustable output voltage. This adjustable regulator provides a local regulation internal current limiting thermal shut-down control and safe area protection for your project.

$ 3.55

In stock in Australia

Shipping from $4.90

+459 more from our supplier in 7-10 days

MOSFET N/P-CH - 30V, 2.7/2.0A (IRF7509)

Code: SKU-011153

The IRF7509 is a very common MOSFET with very low on-resistance and a control voltage (aka gate voltage) that is compatible with most 5V microcontroller or mechanical switches. This allows you to control high-power devices with very low-power control mechanisms.

$ 1.10

Special Order

Shipping from $4.90

+1313 more from our supplier in 7-10 days

MOSFET N-CH - 60V 0.3A 2N7002PW

Code: SKU-011072

This is a common MOSFET with very low on-resistance and a control voltage (aka gate voltage) that is compatible with any 3-5V microcontroller or mechanical switch.

$ 0.20

Special Order

Shipping from $4.90

+200 more from our supplier in 7-10 days

MOSFET P-CH, 30V, 3.8A (DMP3099L-7)

Code: SKU-011260

A 30V, 3.8A logic-level P-Channel MOSFET in a SOT-23 package, featuring low on-resistance and direct compatibility with 3.3V/5V microcontrollers.

$ 0.50

Special Order

Shipping from $4.90

+294 more from our supplier in 7-10 days

MOSFET P-CH, 60V, 900mA (ZXMP6A13FTA)

Code: SKU-011171

This is a common MOSFET with very low on-resistance and a control voltage (aka gate voltage) that is compatible with any 3-5V microcontroller or mechanical switch. This allows you to control high-power devices with very low-power control mechanisms.

$ 1.05

Special Order

Shipping from $4.90

+43 more from our supplier in 7-10 days

N-Channel MOSFET 55V 30A

Code: SKU-010289

This is a common MOSFET with very low on-resistance and a control voltage (aka gate voltage) that is compatible with any 3-5V microcontroller.

$ 2.65

Special Order

Shipping from $4.90

+367 more from our supplier in 7-10 days