Relay driver uln2003a datasheet

Todays tutorial is about the uln2003a, which is most commonly used in electronics circuits. Uln2803a darlington transistor arrays 1 features 3 description the uln2803a device is a highvoltage, highcurrent. It is commonly used for applications such as relay drivers, motor, display drivers, led lamp drivers, logic buffers, line drivers, hammer drivers and other high voltage current applications. This ic is commonly used to drive relay modules, motors, high current. Authorized distributors powered by ecia pricing stock. Tpic2701, uln2001, uln2002, uln2004, l293d, motor driver shield. It features commoncathode flyback diodes for switching inductive loads. Uln2003a bipolar bjt transistor array 7 npn darlington 50v 500ma through hole 16dip from stmicroelectronics. You may recall the tlc555 relay driver circuit that i recently posted, it too is a low side driver. Highvoltage, highcurrent darlington arrays each contains seven open collector darlington pairs with common emitters.

Complete technical details can be found at the uln2003 datasheet given at the end of this page. I would like to use the uln2803a as a relay driver. For 100v otherwise interchangeable versions of the uln2003a and uln2004a, see the sn75468 and sn75469, respectively. Multichannel relay and inductive load sink driver in2 out2.

We all know that the transistors are used to amplify the current but here darlington transistor pairs are used inside the ic to make the required amplification. May 10, 2019 tutorial is about the uln2003a, which is most commonly used in electronics circuits. Uln2803 relay driver working operation embetronicx. Uln2003a 50v, 7ch darlington transistor array, 20c to. Suitable for relay drivers, stepper and dc brushed motor drivers, lamp drivers, display drivers led and gas discharge, line drivers and logic buffers. Nov 17, 2008 how to interface relays in microcontroller output. Uln2803a stmicroelectronics discrete semiconductor products. Uln2003a stmicroelectronics, bipolar transistor array.

The ic uln2003a is a darlington transistor array which deals with highvoltage and highcurrent. Before we proceed with the circuit to drive the relay we have to consider two important parameter of the relay. Typical usage of the uln2003a is in driver circuits for relays, lamp and led displays, stepper motors, logic buffers and line drivers. These versatile devices are useful for driving a wide range of loads including solenoids, relays. Uln2003 relay driver ic the world of electronic parts and.

Each consists of seven npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. Compare pricing for stmicroelectronics uln2003a across 43 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Uln2003a datasheet find suppliers, price, inventory. It also has a bank of leds that correspond to the input signals received from the controller. Relaydriver applications compatible with uln2800a series applications include relay drivers, hammer drivers, lamp drivers, display drivers led and gas 2 applications discharge, line drivers, and logic buffers. Moreover, uln2003a has a capability of handling seven different relays simultaneously. Each channel is rated at 500 ma and can withstand peak currents of 600 ma. Uln2003 relay driver test board uln2003 uln2003 relay driver ic uln2003 uln2003a relay driver 16pin ic datasheet uln2003 led display uln2003ap uln2004afw uln2004ap.

Uln2003a find the pdf datasheet, specifications, oem and distributor information. For 100v otherwise interchangeable versions of the uln2003a and uln2004a, see the sn75468 and. The description in this datasheet is subject to change without any notice to describe its electrical characteristics. A uln2003 installed in a breakout board to be used as a unipolar stepper motor driver with a 28byj stepper motor on the left. Revised june 20041post office box 655303 dallas, texas 75265d 500marated collector current datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated.

One of its most common uses is that, uln2003 is used as a relay driver. Uln2003a typ max min uln2003a ta 25 c iout100ma iout200ma. Relay driver circuit using ic uln2003 with applications. Uln2803a darlington transistor arrays sparkfun electronics. Uln2003 high voltage and current darlington transistor.

Stmicroelectronics seven darlington arrays,alldatasheet, datasheet, datasheet search site for. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual, uln2003 pdf, uln2003, datenblatt, electronics uln2003, alldatasheet, free, datasheet, datasheets. It is difficult to use a number of relays with transistors, so, relay driver ic uln2003a can be used for availing more relays. It is made up of seven open collector darlington pairs with common emitter. Its mean uln3002 can drive up to seven relays at a time. Uln2001, uln2002 uln2003, uln2004 stmicroelectronics. Pricing and availability on millions of electronic components from digikey electronics. Uln2003 working datasheet, cross reference, circuit and application notes in pdf format. Edgefx provides a video tutorial on relay driver uln2003 circuit ic pin description and used to drive relay switch on and off. The advantage of the below board is that all 7 inputs in17 and all 7 outputs ag of the uln2003a are accessible. The uln2001a2002a2003a and 2004a are supplied in a 16pin dip package with a copper leadframe to reduce thermal resistance. Microcontroller interfacing to relays using uln2003, in this article, you will learn how to interface microcontroller to relays using uln2003 relay driver circuit. You can use these boards to drive dc motors or unipolar stepper motors.

Features 500ma rated collector current single output high voltage outputs. Uln2003a 50v, 7ch darlington transistor array, 20c to 70c. One of its most common uses is that uln2003 is used as a relay driver. Make sure your power supply has sufficient power to drive the stepper motor. Sep 03, 2012 edgefx provides a video tutorial on relay driver uln2003 circuit ic pin description and used to drive relay switch on and off. I am a student, but do not have much familiarity with these kind of electronics so bare with me. Uln2003a texas instruments datasheet and cad model. You can see that as more channels are utilized, if they are all on at the same time there is a maximum. Uln2803a bipolar bjt transistor array 8 npn darlington 50v 500ma 2. The uln2001a2002a2003a and 2004a are supplied in 16 pin plastic dip packages with a copper. Applications include relay drivers, hammer drivers, lamp drivers, display drivers led and gas discharge, line drivers, and logic buffers. Uln2003a ic working,datasheet,proteus simulation, its use.

Applications include relay drivers, hammer drivers, lamp drivers, display drivers led and. We can use seven relays with relay driver circuit using uln2003 and the relay driver circuit using uln2803 enables to use eight relays. In this circuit diagram, the pic microcontroller is providing a signal to 4 relays through relay driver ic uln2003. Uln2003a ic is one of the most commonly used motor driver ic. Uln2003a stmicroelectronics datasheet and cad model. Uln2003 datasheet18 pages stmicroelectronics seven. Relay driver circuit using ic uln2003 and its working. A diode is used with each pair of npn darlington transistor. Relay driver circuit using uln2003 and its applications. All units feature integral clamp diodes for switching inductive loads. Uln2003a 5v ttl, cmos uln2004a 615v cmos, pmos these versatile devices are useful for driving a wide range of loads including solenoids, relays dc motors, led displays filament lamps, thermal printheads and high power buffers. If you want to know more about relay driver circuit uln2003, relay working and relay interfacing with arduino check these articles.

Relay driver ic uln2003 is high voltage and high current integrated ic which used darlington array. Uln200x, ulq200x highvoltage, highcurrent darlington. Microcontroller interfacing to relays using uln2003 relay. A pair of darlington is an arrangement of two bipolar transistors. These devices are capable of driving a wide range of loads including solenoids, relays, dc.

The uln2002a is designed specifically for use with 14v to 25v pmos devices. Uln2803apg,uln2803afwg,uln2804apg,uln2804afwg manufactured. Uln2003 pdf, uln2003 description, uln2003 datasheets, uln2003. Output current 500ma per driver 600ma peak datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. The 28byj48 stepper motor plugs straight into the connector. The relay driver circuit using uln2003 is given below. It consists of seven npn darlington pairs that features highvoltage outputs with commoncathode clamp diode for switching. The uln2002a, uln2003a, uln2003ai, uln2004a, ulq2003a, and. Uln2003 relay driver ic uln2003 uln2003a relay driver 16pin ic datasheet uln2003 led display uln2003ap uln2004afw uln2004ap. Microcontroller interface to relays by uln 2003 youtube.

Uln2003 ic is one of the most commonly used motor driver ic. The uln2001a2002a2003a and 2004a are supplied in 16 pin plastic dip packages with a. The uln2003 is a relay driver ic consisting of a darlington array. Its contains seven darlington pair of a transistor which have high voltage and high current carrying capability. Todays episode is about uln2003a, which is most commonly used in electronics circuits. When driving a typical 12v relay coil, a uln2003v12 will dissipate 12 times lower power compared to uln2003a. A single darlington pair consists of two bipolar transistors and operates in the range of 500ma. Uln2003 datasheet, uln2003 datasheets, uln2003 pdf, uln2003 circuit. The relay driver uln2003 ic is a high voltage and current darlington array ic, it comprises of 7open collector darlington pairs with common emitters. Revised june 2004 2 post office box 655303 dallas, texas 75265 descriptionordering information continued the uln2001a is a generalpurpose array and can be used with ttl and cmos technologies. It is usually a good idea to use a separate power source to the one that is driving the microcontroller. The board can supply between 5v to 12v to the motor from an independent power supply. These are the two most common uln2003a driver boards.

They are available also in small outline package so16 as uln2001d12002d12003d1 2004d1. The collectorcurrent rating of a single darlington pair is 500 ma. The uln2001, uln2002, uln2003 and uln 2004 are highvoltage, highcurrent darlington arrays each containing seven open collector darlington pairs with common emitters. Reproduction of information in ti data books or data sheets is permissible only if. Uln2003 04apafw uln2003ap uln2003afw uln2004ap uln2004afw uln2003apafw dip16pin sol16pin uln2003apafw uln2003 relay driver free uln2003 relay driver test board uln2003 relay driver ic uln2003 uln2003a relay driver 16pin ic datasheet uln2003 led display uln2004afw. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual, uln2003 pdf. Relay driver circuit using ic uln2003 with applications elprocus. This ic comes in handy when we need to drive high current loads.

Uln2001a, uln2002a, uln2003a, uln2004a, ulq2003a, ulq2004a highvoltage highcurrent darlington transistor array slrs027f december 1976 revised february 2003 2 post office box 655303 dallas, texas 75265 descriptionordering information continued the uln2001a is a generalpurpose array and can be used with ttl and cmos technologies. Ltd 1 high voltage and high current darlington transistor array description the uln2003 is a monolithic high voltage and high current darlington transistor arrays. The uln2003 is a monolithic ic consists of seven npn darlington transistor pairs with high voltage and current capability. For 100v otherwise interchangeable versions of the uln2003a and. The uln2002a, uln2003a and uln2004a are available in both a small outline 16pin package so16 and pdip16 package. Uln2003 is a relay driver ic consisting of a darlington array. The darlington pairs can be paralleled for higher current capability. Uln2003a ic working,datasheet,proteus simulation, its use with.

Uln2003a stmicroelectronics discrete semiconductor. The uln2003v12 sink driver features 7 low output impedance drivers that minimize onchip power dissipation and an actual low power upgrade version for popular uln2003a family in real applications. Uln2003 relay driver datasheet, cross reference, circuit and application notes in pdf format. At the heart of the driver is a uln2003an integrated circuit. Uln2003a stmicroelectronics discrete semiconductor products.

Once is the trigger voltage, this is the voltage required to turn on the relay that is to change the contact from commonnc to commonno. Our relay here has 5v trigger voltage, but you can also find relays of values 3v, 6v and even. The uln2803 ic consists of eight npn darlington pair which provides the proper current amplification required by the loads. Relay driver applications compatible with uln2800a series applications include relay drivers, hammer drivers. Arduino uln2003 driver to control a relay electronics project. Datasheet production data features seven darlingtons per package output current 500 ma per driver 600 ma. High side toggle switch driver, low side toggle switch driver, bipolar npn transistor driver, darlington transistor driver, nchannel mosfet driver, and uln2003 driver. Uln2003a stmicroelectronics datasheet and cad model download. Uln2003a20 datasheet, uln2003a20 pdf, uln2003a20 data sheet, uln2003a20 manual, uln2003a20 pdf, uln2003a20, datenblatt, electronics uln2003a20, alldatasheet, free. Relay driver uln2003 relay driver ic electrical projects. The uln2003a is an array of seven npn darlington transistors capable of 500 ma, 50 v output. Uln2803apg,uln2803afwg,uln2804apg,uln2804afwg manufactured by toshiba malaysia 8ch darlington sink driver the uln2803apg afwg series are high. Please note although in audio it is said that the ic uln2003 has inverters it is partially correct.