Relay driver ic uln2003 datasheet

Relay driver ic uln2003 is high voltage and high current integrated ic which used darlington array. Uln2003 relay driver ic the world of electronic parts and. Complete technical details can be found at the uln2003 datasheet given at the end of this page. Jan 27, 2018 hello everybody, this post is about using a stepper motor with an arduino by using one of its drivers, which is uln2003, its a driver thats widely used, because its cheap and simple. The ic uln2003a is a darlington transistor array which deals with highvoltage and highcurrent. Sep 29, 2015 uln2003 ic is introduce for this purpose.

The uln2001a2002a2003a and 2004a are supplied in a 16pin dip package with a copper. Each channel is rated at 500 ma and can withstand peak currents of 600 ma. A uln2003 transistor array installed in a breakout board to be used as a unipolar stepper motor driver with a 28byj stepper motor on the left. Uln2003 seven darlington arrays stmicroelectronics. Please note although in audio it is said that the ic uln2003 has inverters it is partially correct.

Arduino uln2003 driver to control a relay electronics project. The uln2001a, uln2002a, uln2003 and uln2004a are high voltage, high current darlington arrays each containing seven open collector dar. This ic comes in handy when we need to drive high current loads using digital logic circuits like opmaps, timers, gates, arduino, pic, arm etc. Uln2003 datasheet, uln2003 datasheets, uln2003 pdf, uln2003 circuit. May 10, 2019 this is the uln2003 ic which we will be using today for controlling an led, relay and a solenoid valve. Tpic2701, uln2001, uln2002, uln2004, l293d, motor driver shield. Toshiba bipolar digital integrated circuit silicon monolithic uln2803apg,uln2803afwg,uln2804apg,uln2804afwg manufactured by toshiba malaysia 8ch darlington sink driver the uln2803apg afwg series are high. You may recall the tlc555 relay driver circuit that i recently posted, it too is a low side driver. The uln2001, uln2002, uln2003 and uln 2004 are highvoltage, highcurrent darlington arrays each containing seven open collector darlington pairs with common emitters. The relay driver uln2003 ic is a high voltage and current darlington array ic, it comprises of 7open collector darlington pairs with common emitters. 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.

Compare pricing for stmicroelectronics uln2003a across 41 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Microcontroller interfacing to relays using uln2003, in this article, you will learn how to interface microcontroller to relays using uln2003 relay driver circuit. Nov 10, 2019 today, i will introduce you to uln2003. Uln2003 high voltage and current darlington transistor array. The low impedance drivers minimize onchip power dissipation, making it up to 5 times lower for typical 3v relays. Uln2002a uln2003a uln2004a january 2017 document number. Diodes incorporated uln2002a uln2003a uln2004a high voltage. Relay driver circuit using ic uln2003 with applications. The device consists of eight npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. It is made up of seven open collector darlington pairs with common emitter. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual, uln2003 pdf. It consists of seven open collector darlington pairs with common emitters, indicating that uln2003 has the ability to process seven different relays at a time. Applications include relay drivers, hammer drivers, lamp drivers, display drivers led and gas discharge, line drivers, and logic buffers. How to use a stepper motor with arduino and its driver uln2003.

We can use seven relays with relay driver circuit using uln2003 and the relay driver circuit using uln2803 enables to use eight relays. Relay driver circuit using uln2003 and its applications. Microcontroller interface to relays by uln 2003 youtube. Datasheet production data features seven darlingtons per package output current 500 ma per driver 600 ma. Collector current versus saturation voltage 0 20406080 dc 0 100 200 300 400 500 ic peak ma tamb70. Uln2003a stmicroelectronics datasheet and cad model. 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. Uln200x, ulq200x highvoltage, highcurrent darlington. Uln2003 is a very famous relay driver integrated circuit. It has also seven separate input for drive the seven relay separately. Edgefx provides a video tutorial on relay driver uln2003 circuit ic pin description and used to drive relay switch on and off. Uln2001, uln2002 uln2003, uln2004 stmicroelectronics. Its contains seven darlington pair of a transistor which have high voltage and high current carrying capability.

This ic belongs to the family of uln200x ics and various types of this family interface to various logic families. Uln2003 each driver uln2004 each driver pin configuration uln2001, uln2002, uln2003, uln2004. The max4896 8channel relay and load driver is designed for medium voltage applications up to 50v. The stepper motors are used in applications and projects that requires high torque rotations and precise rotation and position. A pair of darlington is an arrangement of two bipolar transistors. Dec, 2017 uln2003 ic is one of the most commonly used motor driver ic. One of its most common uses is that, uln2003 is used as a relay driver. Nov 17, 2008 how to interface relays in microcontroller output. Typical usage of the uln2003a is in driver circuits for relays, lamp and led displays, stepper motors, logic buffers and line drivers. For 100v otherwise interchangeable versions of the ulx2003a devices, see the slrs023 data sheet for the sn75468 and sn75469 devices.

Seven darlington arrays, uln2003 datasheet, uln2003 circuit, uln2003 data sheet. Stmicroelectronics seven darlington arrays,alldatasheet, datasheet, datasheet search site for. At the heart of the driver is a uln2003an integrated circuit. The uln2803 ic consists of eight npn darlington pair which provides the proper current amplification required by the loads.

Suppression diodes are included for inductive load driving and the inputs are pinned opposite the. Uln2003 is a sevenchannel darlington array used to interface microcontrollers to high voltage, high current devices such as solenoids, lamps, relays, etc. For example a motor that requires 9v and 300ma to run cannot be powered by an arduino io hence we use this ic to source enough current and. Uln2003a stmicroelectronics datasheet and cad model download. The uln2003 is a relay driver ic consisting of a darlington array. The uln2003 is a monolithic ic consists of seven npn darlington transistor pairs with high voltage and current capability.

Relay driver provide a more efficient method for enabling a eight relays. Relay driver circuit using ic uln2003 and its working. Uln2003 pdf, uln2003 description, uln2003 datasheets, uln2003. If you want to know more about relay driver circuit uln2003, relay working and relay interfacing with arduino check these articles. Uln2803apg,uln2803afwg,uln2804apg,uln2804afwg manufactured. Uln 2003 relay driver circuit for 8051 microcontroller. The max4896 8channel relay driver offers builtin inductive kickback protection, drive for latchingnonlatching or dual. Ti uln2003lv sink driver features 7 low output impedance drivers to support low voltage relay and inductive coil applications. Hello everyone, i have used the ic uln2003 to drive 3.

The uln2003a is an array of seven npn darlington transistors capable of 500 ma, 50 v output. Uln2003a ic is one of the most commonly used motor driver ic. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic. Texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. So far i have been using 2n2222 npn transistors, 10 resistors and diodes for. This ic comes in handy when we need to drive high current loads.

Should i supply the uln2003 and the relay with the same voltage 5v to work right. Uln2003lv is pintopin compatible with the uln2003 family of devices in similar packages. The ic uln2003 is capable for operate seven no of relay with seperately operation. Heres the link to uln2003 datasheet, must read it once. Uln2803 relay driver working operation embetronicx. Typical usage of the uln2003a is in driver circuits for relays, lamp and led displays, stepper motors, logic buffers and. Uln2003lv 7channel relay and inductive load sink driver. Microcontroller interfacing to relays using uln2003 relay.

Peak collector current versus duty cycle 0 20 40 60 80 100 dc 0 100 200 300 400 500 ic peak ma d96in452a 7 5 3 2 number of. The uln2803a datasheet specifies that it is a highvoltage, highcurrent darlington transistor array. Relay driver circuit using ic uln2003 with applications elprocus. The board can supply between 5v to 12v to the motor from an independent power supply. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual, uln2003 pdf, uln2003, datenblatt, electronics uln2003, alldatasheet, free, datasheet, datasheets. If the uln2803 would turn on 8 relays with a lot of current, that current is going through the board of the arduino. 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. Relay driver uln2003 relay driver ic electrical projects.

The driver board accepts a four bit command from any microcontroller and in turn applies the necessary power pulse to step the motor. Relay driver uln2003 relay driver ic electrical projects ideas. The seven npn darlington connected transistors in these arrays are well suited for driving lamps, relays, or printer hammers in a variety of industrial and co. There are various types of relay driver ics such as a high side toggle switch, low side toggle switch, bipolar npn transistor, darlington transistor, nchannel mosfet, uln2003 driver ic. Jun 09, 2017 some of the other applications of uln2003 include logic buffers, lamp drivers, line drivers, led display, motor driver circuits etc. Hello everyone, i have used the ic uln2003 to drive 3 relays in my pcb. This device is offered in a 20pin, 5mm x 5mm tqfn package, resulting in substantial boardspace savings. 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. It is basically a relay driver ic and a darlington array with high voltage and high current. Uln2003a ic working,datasheet,proteus simulation, its use. 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. Uln2003lv 7channel relay and inductive load sink driver 1 features 3 description the uln2003lv is a lowvoltage and low power 1 7channel high current sink drivers upgrade oftis popular uln2003 family 7channel supports up to 8v ouput pullup voltage darlington transistor array. Uln2003 ic is one of the most commonly used motor driver ic. These versatile devices are useful for driving a wide range of loads includ ing solenoids, relay dc motors, led display filament lamps, thermal printheads and highpower buffers.