Can I use BC547 instead of TIP120?

Given below is the list of popular transistors which can be used as a replacement for TIP120: TIP122 is a good alternative to TIP120. Whereas 2N3904, BC547, BC538, 2N4401, and 2N2222A are low power options.

Table of Contents

How does a TIP120 transistor work?

TIP120 comes with a Darlington pair in which two transistors are connected in such a way, the current amplified by the one transistor is being amplified further by the other transistor. This configuration features much higher current gain as compared to if each transistor is taken separately.

Can Arduino be used as a motor controller?

By connecting an L298 bridge IC to an Arduino, you can control a DC motor. A direct current, or DC, motor is the most common type of motor. DC motors normally have just two leads, one positive and one negative. If you connect these two leads directly to a battery, the motor will rotate.

What is TIP122 transistor?

Description: The TIP122 is a silicon NPN Darlington transistor in a TO-220 type package designed for general purpose amplifier and low-speed switching applications. Features: D High DC Current Gain: hFE = 2500 (Typ) at IC = 4A. D Collector-Emitter Sustaining Voltage: VCEO(sus) = 100V (Min) at IC = 100mA.

What is the difference between BC557 and BC547?

What is the difference between BC547 and BC557? BC557 is a PNP transistor, nevertheless, BC547 is an NPN transistor.

What is the use of Darlington pair?

The Darlington transistor pair is a very useful circuit in many applications. It provides a high level of current gain which can be used in many power applications. Although the Darlington pair has some limitations, it is nevertheless used in many areas, especially where high frequency response in not needed.

What advantages do Mosfet switch transistors have over the Darlington BJTS?

Mosfet provides a very good isolation between the gate and the other two terminals compared to bjt. MOSFET can handle more power compared to BJT. The mosfet has a very low power loss and a high speed. Voltage signals can easily operate a mosfet, so it is used in many digital circuits.

Can I connect DC motor directly to battery?

Yes. No need for voltage regulator or similar. Voltage would be ~24V minus some voltage drop on transistors on H-bridge, so it is safe for motor, because this is the voltage the motor is rated for.

What are Darlington transistors used for?

Darlington transistors are mainly used in switching and amplification applications for delivering a very high DC current gain. Some of the key applications are high and low side switches, sensor amplifiers and audio amplifiers.

How do I use the tip120 with Arduino?

It can be used with an Arduino to drive motors, turn lights on, and drive other high power gadgets. The TIP120 acts as a power broker or gatekeeper between the Arduino realm and the high power realm composed of the PC fan and its battery pack.

What is the pinout of the tip120 transistor?

TIP120 pinout has three pins: emitter, base, and collector respectively from left to right (flat side with the leads pointed downward). Given below is the datasheet of the TIP120 transistor in the T0-220 package:

How do I get Started with the Arduino?

Note that the Arduino is powered by it’s own 3V power supply, while the DC motor is powered by a separate 9V battery. If you need help getting started with the Arduino, check out our Ultimate Guide to the Arduino video course. After you’ve connected all of the parts as shown in the wiring diagram above, you’re ready to program the Arduino.