The uln2001a2002a2003a and 2004a are supplied in a 16pin dip package with a copper leadframe to reduce thermal resistance. It has seven darlington pairs inside, where each can drive loads up to 50v and ma. Its easy to use arduino or other development platform to drive the stepper motor by this diver board. Driving relay from io pin hi guys this is the first time i am using this kind of circuit, so i want to ask you if you have any comments about my design. Edgefx provides a video tutorial on relay driver uln2003 circuit ic pin description and used to drive relay switch on and off. Datasheet production data features seven darlingtons per package output current 500 ma per driver 600 ma. Using uln2003 to drive relays first time schematic. This ic comes in handy when we need to drive high current loads using digital. The uln2003 stepper motor driver board use a uln2003 ic to drive 4phase unipolar 5wire stepper motors 5v12v. The uln2002a is designed specifically for use with 14v to 25v pmos devices. 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. Microcontroller interfacing to relays using uln2003, in this article, you will learn how to interface microcontroller to relays using uln2003 relay driver circuit. Msl 1 unlimited find similar products choose and modify the attributes above to find similar products. St products are sold pursuant to st s terms and conditions of sale in place at the time of o rder acknowledgement.
Uln2003d10tr stmicroelectronics discrete semiconductor. Uln2003 stepper motor driver board with led indicators. Arduino relay control tutorial with code and circuit diagram. This ic is commonly used to drive relay modules, motors, high current leds and even stepper. Each channel is rated at 500 ma and can withstand peak currents of 600 ma. The relay driver uln2003 ic is a high voltage and current darlington array ic, it comprises of 7open collector darlington pairs with common emitters. Relay driver uln2003 relay driver ic electrical projects ideas. St products are sold pursuant to st s terms and conditions of sale in place at the time of order acknowledgement.
A pair of darlington is an arrangement of two bipolar transistors. Relay driver uln2003 uln2003 display uln2003 features uln2003 relay driver pdf free download uln2003 led display uln2003 driver datasheet relay driver ic uln2003 uln2003 driver. Driver uln2003 uln2003 display uln2003 features uln2003 relay driver pdf free download uln2003 led display uln2003 driver datasheet relay driver ic. Uln2003a bipolar bjt transistor array 7 npn darlington 50v 500ma through hole 16dip from stmicroelectronics. Microcontroller interfacing to relays using uln2003 relay. Request toshiba semiconductor corporation uln2003apg.
For 100v otherwise interchangeable versions of the uln2003a and uln2004a, see the sn75468. Ulnulq2003a, and the required voltage is less than that required by the uln2002a. Compare pricing for stmicroelectronics uln2003a across 43 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. One side of the board side has a 5 wire socket where the cable from the stepper motor hooks up and 4 leds to indicate which coil is currently powered. Uln2003 pdf, uln2003 description, uln2003 datasheets. 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. Uln2003a stmicroelectronics discrete semiconductor products. Driver uln2003 uln2003 display uln2003 features uln2003 relay driver pdf free download uln2003 led display uln2003 driver datasheet relay driver ic uln2003 uln2003 driver. Datasheet production data features x seven darlingtons per package x output current 500 ma per driver 600 ma.
Hello everyone, i have used the ic uln2003 to drive 3 relays in my pcb. Uln2003a, pmic power distribution switches, load drivers, ic pwr relay 7npn 1. Hi, im trying to get the arduino to control multiple 12v relays some of which will have 240v ac load, the others 24v dc load. Uln2003 datasheet18 pages stmicroelectronics seven. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic. Ic uln2003 ic uln2003 hivoltage currrent darlington trans. Perfect fit for an 8 bit port to open collector lamp or relay drive. Darlington array 7 npn, 2003, dip16 stmicroelectronics cpc uk. For 100v otherwise interchangeable versions of the ulx2003a devices, see the slrs023 data sheet for the sn75468 and sn75469 devices. Each channel rated at 500 ma and can withstand peak currents of 600 ma. Yic provides extraordinary value to customers, high. It consists of seven npn darlington pairs that features highvoltage outputs with commoncathode clamp diode for switching. Uln2003 datasheet116 pages stmicroelectronics seven. Wiring the uln2003 stepper motor driver to arduino uno.
Uln2003, uln2004 uln2001a2002a2003a uln2003 so16 uln2004 uln2003 pin diagram configuration pin diagram of uln2004 uln2001 uln 2006 uln2003 uln2003 st. I dont see any reason to not use them in on future projects. Applications include relay drivers, hammer drivers, lamp drivers, display drivers led and gas discharge, line drivers, and logic buffers. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual, uln2003 pdf, uln2003, datenblatt, electronics uln2003, alldatasheet, free, datasheet, datasheets. Darlington array 7 npn, 2003, dip16 uln2003a add to compare. My interpretation of teh datasheet is that it is designed to drive a high power relay, for instance, not. Ulna darlington array 7 npn ma st microelectronics. Driving 24vac sprinkler solenoids through uln2003a. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual, uln2003 pdf. The relay driver circuit using uln2003 is given below. Now look at led datasheet uln2003a darlington values on the 3rd page. Uln2003a stmicroelectronics datasheet and cad model download. Ltd 1 high voltage and high current darlington transistor array description the uln2003 is a monolithic high voltage and high current darlington transistor arrays.
Uln2003 seven darlington arrays, uln2003d10tr, uln2003a. Uln2003 ic is one of the most commonly used motor driver ic. Seven darlington arrays, uln2003 datasheet, uln2003 circuit, uln2003 data sheet. If still not high there is something fishy with the stepper. Relay driver circuit using ic uln2003 with applications. It is difficult to use a number of relays with transistors, so, relay driver ic uln2003a can be used for availing more relays. Uln2001, uln2002 uln2003, uln2004 stmicroelectronics. St still makes em, never even seen the allegro version. June 2012doc id 5279 rev 811616uln2001, uln2002uln2003, uln2004seven darlington arraydatasheet. Relay driver circuit using ic uln2003 and its working. How to drive relay using uln2003 electrical engineering. It consists of seven npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. Series uln 2001a each driver series uln 2002a each driver series uln 2003a each driver series uln 2004a each driver thermal data symbol parameter dip16 so16 unit rth jamb thermal resistance junctionambient max.
In this circuit diagram, the pic microcontroller is providing a signal to 4 relays through relay driver ic uln2003. We can supply uln2003a, use the request quote form to request uln2003a price and lead time. Driver pdf free download uln2003 led display uln2003 driver datasheet relay driver ic uln2003 uln2003 driver. Uln2003 stepper motor driver board is to use the uln2003 darlington arrays to drive the 4phase 5wire stepper motor 5v12v. So when the negative terminal of the led is grounded it completes the circuit and thus glows. Uln2003a stmicroelectronics datasheet and cad model. View datasheet texas instruments uln2003lv low power 3. Products conform to specifications per the terms of texas instruments. Stmicroelectronics seven darlington arrays,alldatasheet, datasheet, datasheet search site for. Uln2003d10tr bipolar bjt transistor array 7 npn darlington 50v 500ma surface mount 16so from stmicroelectronics.
I use them quite often for relay drivers and so on. Hello everyone, i have used the ic uln2003 to drive 3. The uln2003 is a high voltage, high current darlington array containing seven open collector darlington pairs with common emitters. You can offer your express delivery account for shipment, ifyou havent any express account for shipment, we can offer our account inadvance. Uln200x, ulq200x highvoltage, highcurrent darlington.
The ulna is known for its high current, high voltage capability. Highvoltage, highcurrent darlington arrays each contains seven open collector darlington pairs with common emitters. Relaydriver applications 2 applications relay drivers stepper and dc brushed motor drivers lamp drivers display drivers led and gas discharge line drivers logic buffers 3 description the ulx200xa devices are highvoltage, highcurrent darlington transistor arrays. Jim whats a good octal relay driver with integral shift register and latch. However, stmicroelectronics assumes no responsibility for the conse.
That means that for reliable firing you really should use a 6volt supply for 5volt relays. Uln2003auln2004auln2001auln2002afebruary 2002seven darlington arrays. The ic ulna is a darlington transistor array which deals with highvoltage and highcurrent. These devices are capable of driving a wide range of loads including solenoids, relays, dc. Although both a relay and the uln2003 could work, a better idea would to to drive a high current logic level fet from the arduino so to enable use of the pwm feature therefore having brightness control. Pricing and availability on millions of electronic components from digikey electronics. Ti uln2003lv sink driver features 7 low output impedance drivers to support low voltage relay and inductive coil applications. Relay driver circuit using uln2003 and its applications. Uln2003 datasheet, uln2003 datasheets, uln2003 pdf, uln2003 circuit. The ulna, ulna and ulna are high voltage, high current darlington arrays each. Besides driving a unipolar stepper motor, this board can also be use to boost any arduino output from 40ma to 500ma. Relay driver uln2003 relay driver ic electrical projects.
Delivery time deliverytime will need 24days to most of country all over the world for dhlupsfedextnt. Uln2003a stmicroelectronics, bipolar transistor array. The device consists of eight npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. Uln2003 each driver uln2004 each driver pin configuration uln2001, uln2002, uln2003, uln2004. Mega 2560 and multiple uln2003 arduino forum index. Chip is a professional electronic components distributor. Uln2003adre4 in yic electronics stock uln2003adre4. Uln2003 is a relay driver ic consisting of a darlington array. The uln is a darlington array and has a relatively high dropout voltage of 1volt or more depending on relay current. Uln2003a stmicroelectronics discrete semiconductor. Uln2003a part number uln2003a manufacturer stmicroelectronics description ic pwr relay 7npn 1. Using an arduino makes it very easy to drive these unipolar stepper motors. Uln ulq2003a, and the required voltage is less than that required by the uln2002a.
The seven darlington pairs in ulna can operate independently except for common cathode diodes that connect to their manifolds. Hello everyone, i have used the ic uln2003 to drive 3 relays. We can use seven relays with relay driver circuit using uln2003 and the relay driver circuit using uln2803 enables to use eight relays. The uln2003 stepper motor driver board allows you to easily control the 28byj48 stepper motor from a microcontroller, like the arduino uno.
The uln2004 can only handle 500ma per driver, and even if you use all together, it still is just a few amps. Contents uln2001, uln2002, uln2003, uln2004 217 docid5279 rev 12. Suitable for relay drivers, stepper and dc brushed motor drivers, lamp drivers, display drivers led and gas discharge, line drivers and logic buffers. Queen rania st 148, abu alhaj complex, 8th floor, office 805. If you want to know more about relay driver circuit uln2003, relay working and relay interfacing with arduino check these articles. Uln2003 led display uln2003 driver datasheet relay driver ic uln2003 uln2003 driver. Device information1 part number package body size nom.
Basically i used datasheets to design this small circuit but i am not confident abt it. 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 uln2001, uln2002, uln2003 and uln 2004 are highvoltage, highcurrent darlington arrays each containing seven open collector darlington pairs with common emitters. So in this arduino relay control tutorial we will simply learn how to interface a relay with arduino. Products conform to specifications per the terms of the texas. Usually one would connect the uln supply to the same supply. Uln2003a darlington array 7 npn 500ma st microelectronics. This product contains a 5 v stepper motor and a stepper motor driver module based on the uln2003a darlington transistor array. See the data sheet for the current curve plot showing duty cycle with current vs number of drivers on.
Uln2003 pdf, uln2003 description, uln2003 datasheets, uln2003. These versatile devices are useful for driving a wide range of loads including solenoids, relay dc motors, led display filament lamps, thermal printheads and highpower buffers. What i want to do is to use a uln2003 to drive the relays and, in turn, drive the uln via the digital io pins from the arduino. The uln2001, uln2002, uln2003 and uln 2004 are highvoltage, highcurrent darlington arrays each containing seven open collector. Uln2003 seven darlington arrays stmicroelectronics. Relay driver applications compatible with uln2800a series descriptionordering information the uln2803a is a highvoltage, highcurrent darlington transistor array. Due to current covid19 situation, all shipment may experience delay. About the product uln2003a darlington array 7 driver is a highvoltage highcurrent darlington transistor array. Purchasers are solely responsible for the choice, selection, and use of st products and st assumes no liability for application assistance or the design of purchasers products. Stmicroelectronics, alldatasheet, datasheet, datasheet. This is information on a product in full production. Below given is relay driver circuit to build your own relay.
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