Uln2003 is a very famous relay driver integrated circuit. Pin configurationuln200xa uln200xd14142pin configurationfigure 2. Pricing and availability on millions of electronic components from digikey electronics. Uln200x, ulq200x highvoltage, highcurrent darlington. Integrated circuits ics chapter 14 175 fairchild introduced the. Pin connections top view datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors.
Import tariff may apply to this part if shipping to the united states. Integrated circuits are prevalent in so many forms across electronics, its hard to cover everything. The uln2003a is an array of seven npn darlington transistors capable of 500 ma, 50 v output. In the same family are uln2002a, uln2004a, as well as ulq2003a and ulq2004a, designed for different logic input levels. Integrated circuit data sheet and integrated circuits pdf. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Amsc na fsc 5962 inchpound comments, suggestions, or questions on this document should be addressed to. Datasheets for ic,integrated circuit data sheet,integrated circuits pdf download,ic data sheets and manufacturers search. Integrated circuit uln2003a darlington transistor matrix. Uln2003a bipolar bjt transistor array 7 npn darlington 50v 500ma through hole 16dip. It also has a bank of leds that correspond to the input signals received from the controller.
Toshiba bipolar digital integrated circuit silicon monolithic uln2003apg,uln2003afwg,uln2004apg,uln2004afwg. Uln2003a stmicroelectronics discrete semiconductor. Media in category uln2003 the following 6 files are in this category, out of 6. It is difficult to use a number of relays with transistors, so, relay driver ic uln2003a can be used for availing more relays. Uln2003 linear integrated circuit datasheet catalog. Highvoltage highcurrent darlington transistor array, uln2003a datasheet, uln2003a circuit, uln2003a data sheet. Electronic components datasheet search english chinese. Uln2003a darlington transistor array circuit examples. Edgefx provides a video tutorial on relay driver uln2003 circuit ic pin description and used to drive relay switch on and off. Logic gates, the building blocks of much more ics themselves, can be packaged into their own integrated circuit.
Uln2002a uln2003a uln2004a o uln2004a parameter measurement circuits open v ce open i cex fig. The collectorcurrent rating of a single darlington pair is 500 ma. Most system designers would find a way to circumvent any. An integrated circuit or monolithic integrated circuit also referred to as an ic, a chip, or a microchip is a set of electronic circuits on one small plate chip of semiconductor material, normally silicon. Here we will explore using the versatile uln2003a darlington transistor array with a typical microcontroller such as arduino. At the heart of the driver is a uln2003an integrated circuit.
Relay driver circuit using ic uln2003 with applications. 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. 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. Relay driver ic uln2003 is high voltage and high current integrated ic which used darlington array. Relay driver circuit using uln2003 and its applications.
All units feature integral clamp diodes for switching inductive loads. They find wide applications in computers and logic circuits. Each consists of seven npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. The uln2002a is designed specifically for use with 14v to 25v pmos devices. Integrated suppression diodes for inductive loads outputs can be paralleled for higher current ttlcmospmosdtl compatible inputs input pins placed opposite to output pins to simplify layout description the uln2001, uln2002, uln2003 and uln 2004 are highvoltage, highcurrent darlington arrays each containing seven open collector. Here are some further classification of integrated circuits.
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. Here are a few of the more common ics you might encounter in educational electronics. Stepper motor driving with peripheral drivers driver ics 1 peripheral driver driver ic overview a peripheral driver is a type of integrated circuit ic that can be used to drive relays, solenoids, stepper motors, leds, and other peripherals. We can use seven relays with relay driver circuit using uln2003 and the relay driver circuit using uln2803 enables to use eight relays. Toshiba bipolar digital integrated circuit silicon monolithic uln2003apg,uln2003afwg,uln2004apg,uln2004afwg manufactured by toshiba malaysia 7ch darlington sink driver the uln2003apgafwg series are high voltage, high current darlington drivers comprised of seven npn darlington pairs. Toshiba bipolar digital integrated circuit silicon monolithic uln2003apg,uln2003afwg uln2004apg,uln2004afwg 7ch darlington sink driver the uln2003apgafwg series are high. Ti highvoltage highcurrent darlington transistor array,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. The uln2003a is an array of seven npn darlington transistors capable of 500ma, 50v output. An integrated circuit, or ic, is nothing more than a number of these components connected together as a circuit all formed on the same substrate. Seven darlington array, uln2003a datasheet, uln2003a circuit, uln2003a data sheet. Uln2003a datasheet, uln2003a datasheets, uln2003a pdf, uln2003a circuit. Uln2001, uln2002 uln2003, uln2004 stmicroelectronics. Uln2003 relay driver test board uln2003 uln2003 relay driver ic uln2003 uln2003a relay driver 16pin ic datasheet uln2003 led display uln2003ap uln2004afw uln2004ap. An integrated circuit or monolithic integrated circuit also referred to as an ic, a chip, or a microchip is a set of electronic circuits on one small flat piece or chip of semiconductor material that is normally silicon.
These peripheral driver ics are typically described as highvoltage. Buy integrated circuit uln2003a, darlington, transistor matrix, dip16, tht, 30v st microelectronics for 0. Toshiba bipolar digital integrated circuit silicon. 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.
Uln2003an texas instruments discrete semiconductor. Uln2003 datasheet, cross reference, circuit and application notes in pdf format. The integration of large numbers of tiny mos transistors into a small chip results in circuits that are orders of magnitude smaller, faster, and less expensive than those. The board can supply between 5v to 12v to the motor from an independent power supply.
It features commoncathode flyback diodes for switching inductive loads. When the circuit is either in onstate or offstate and not in between the two, the circuit is called a digital circuit. With reference to consumer and professional electronics equipments, the greatest popularity are the integrated circuitspower audio amplifiers, due to their advantages schematic simplicity, small dimensionss, large range of output powers, polyfunctionality. Integrated circuit ic, also called microelectronic circuit, microchip, or chip, an assembly of electronic components, fabricated as a single unit, in which miniaturized active devices e. Stmicroelectronics seven darlington array,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Datasheet search site for electronic components and semiconductors, integrated. Uln2003a pdf, uln2003a description, uln2003a datasheets. The darlington pairs can be paralleled for higher current capability. The uln2003a is a highvoltage, highcurrent darlington transistor array consisting of seven npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. Its mean uln3002 can drive up to seven relays at a time. This can be made much smaller than a discrete circuit made from independent components. Its contains seven darlington pair of a transistor which have high voltage and high current carrying capability. Ti, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.