The darlington pairs can be paralleled for higher current capability. I will try my level to entertain you and to solve your issues in a better way, if possible. Toshiba bipolar digital integrated circuit silicon. Type uln 2003 has a series base rssistor to each darlington pair, and thus allows operation directly, to 15v. Uln2003 linear integrated circuit datasheet catalog. Uln2003a datasheet pdf, uln2003a data sheet, uln2003a. In order to drive a dc relay, dc voltage is needed in required quantity to rate a relay and a zener diode. The uln2002a device is designed specifically for use with 14v to 25v pmos devices. Uln2002a uln2003a uln2004a january 2017 document number. The uln2001, uln2002, uln2003 and uln 2004 are highvoltage, highcurrent darlington arrays each containing seven open collector darlington pairs with common emitters. Series uln2002a each driver series uln2003a each driver series uln2004a each driver thermal data symbol parameter dip16 so16 unit. Seven darlington arrays, uln2003a datasheet, uln2003a circuit, uln2003a data sheet. Uln2003 datasheet, uln2003 datasheets, uln2003 pdf, uln2003 circuit. The device consists of eight npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads.
The collectorcurrent rating of each darlington pair is 500 ma. Toshiba, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Complete technical details can be found at the uln2003 datasheet given at the end of this page. Suppression diodes are included for inductive load driving and the inputs. An important notice at the end of this data sheet addresses. Uln2003 datasheet pdf seven darlington array st, uln2003 datasheet, uln2003 pdf, uln2003a pinout, substitute, uln2003 equivalent, uln2003 data, circuit. Each input of this device has a zener diode and resistor in series to control the input current to a safe limit.
For the function of relay, it must receive this voltage at its coil terminals. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual, uln2003 pdf, uln2003, datenblatt, electronics uln2003, alldatasheet, free, datasheet, datasheets. The pcb provides 4 inputs for connection to your microcontroller, power supply connection for the stepper motor voltage, and onoff jumper, a direct connect stepper motor header. Uln2003 ic is one of the most commonly used motor driver ic.
Uln2003 datasheet pdf, uln2003 data sheet, uln2003, uln2003. It is made up of seven open collector darlington pairs having common emitter which shows uln2003 has a capability of handling seven different relays at a time. If the applied situation includes overcurrent or overvoltage, this ic may be destroyed. Uln2001a, uln2002a, uln2003a, uln2004a, ulq2003a, ulq2004a uln2001a slrs027f uln2001a uln2002a ic. The uln2003v12 and uln2003f12 are multichannel sink drivers comprised of 7channel and 4channel output stages respectively. Edgefx provides a video tutorial on relay driver uln2003 circuit ic pin description and used to drive relay switch on and off. The uln2003v12 sink driver features 7 low output impedance drivers that minimize onchip power dissipation and an actual low power. The uln2003 stepper motor driver pcb provides a direct drive interface between your microcontroller and stepper motor. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic. Uln2003a datasheet, cross reference, circuit and application notes in pdf format. The shaft or spindle of a stepper motor rotates in discrete step increments when electrical command pulses are applied to it in the proper sequence. Today, i am going to give the introduction to uln2003. The uln2002a is designed specifically for use with 14v to 25v pmos devices.
The uln2003a is an array of seven npn darlington transistors capable of 500 ma, 50 v output. This device consists of seven npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. A stepper motor is an electromechanical device which converts electrical pulses into discrete mechanical movements. Uln2003b highvoltage, highcurrent darlington transistor. Toshiba bipolar digital integrated circuit silicon monolithic. This is known as relays datasheet to rate its coil voltage.
Uln200x, ulq200x highvoltage, highcurrent darlington. Uln2003a datasheet, uln2003a hivoltagecurrent darlington transistor datasheet, buy uln2003a. 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. In order to eliminate voltage spikes from a relay circuit, a diode is required for its proper functioning. The uln2002a, uln2003a, uln2003ai, uln2004a, ulq2003a, and ulq2004a are highvoltage highcurrent. Oct 27, 2015 uln2003 datasheet pdf seven darlington array st, uln2003 datasheet, uln2003 pdf, uln2003a pinout, substitute, uln2003 equivalent, uln2003 data, circuit. Stmicroelectronics seven darlington arrays,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Uln2004a are high voltage, high current darlington arrays each containing seven open collector dar lington pairs. The uln2003b device is a highvoltage, highcurrent darlington transistor array. Uln2003 datasheet darlington arrays uln2003 allegro, uln2003 datasheet, uln2003 pdf, uln2003 pinout, uln2003 equivalent, uln2003 data, circuit, output.
Thus, if a relay has a rated voltage of 9vdc, it should get 9 volts of dc voltage for its working. Uln2003 datasheet, uln2003 pdf, uln2003 pinout, equivalent, replacement highvoltage highcurrent darlington arrays allegro microsystems, schematic, circuit, manual. All units feature integral clamp diodes for switching inductive loads. Uln2003 datasheet pdf list of unclassifed manufacturers. Uln2003 seven darlington arrays stmicroelectronics. Multichannel relay and inductive load sink driver in2 out2. The ulna, ulna and ulna are high voltage, high current. Seven darlington arrays, uln2003 datasheet, uln2003 circuit, uln2003 data sheet.
Ulnulq2003a, and the required voltage is less than that required by the uln2002a. 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. Output current 500ma per driver600ma peak datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. The utc uln2003 are highvoltage, highcurrent darlington. Uln2003auln2004auln2001auln2002afebruary 2002seven darlington arrays. Recent listings manufacturer directory get instant. If you face any sort of problem regarding any thing, you can ask me anytime in comments without even feeling any kind of hesitation. Series uln2001a each driver series uln2002a each driver series uln2003a each driver series uln2004a each driver thermal data symbol parameter dip16 so16 unit rth jamb thermal resistance junctionambient max. This ic comes in handy when we need to drive high current loads using digital. Diodes incorporated uln2002a uln2003a uln2004a high voltage. It is basically a relay driver ic and it is a darlington array having high voltages and high currents as well. The motors rotation has several direct relationships to these applied input pulses. The seven npn darlington connected transistors in these arrays are.
Posted on october 27, 2015 september 18, 2019 by pinout. Their high breakdown voltage and internal suppression diodes insure freedom from problems. Uln2003 and uln 2004 are highvoltage, highcurrent darlington arrays each containing seven open. It features commoncathode flyback diodes for switching inductive loads. Uln2001, uln2002 uln2003, uln2004 stmicroelectronics. This ic comes in handy when we need to drive high current loads. Uln 2003 e datasheet, cross reference, circuit and application notes in pdf format. Each channel is rated at 500 ma and can withstand peak currents of 600 ma. Tpic2701, uln2001, uln2002, uln2004, l293d, motor driver shield. Uln2003a, ulq2003a high voltage, high current darlington transistor arrays 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 consumer applications. Uln2003lv 7channel relay and inductive load sink driver.
Stmicroelectronics darlington devices stmicroelectronics darlington devices are highvoltage, highcurrent switch arrays containing multiple opencollector darlington pairs or multiple darlington transistors with common emitters, and integral suppression diodes for inductive loads. The uln2003 datasheet specifies that it is a highvoltage highcurrent darlington transistor array. Relay driver circuit using ic uln2003 and its working. Uln2003apg,uln2003afwg uln2004apg,uln2004afwg 7ch darlington sink driver the uln2003apgafwg series are high. Uln2003,04apgafwg 1 20060614 toshiba bipolar digital integrated circuit silicon monolithic uln2003apg,uln2003afwg,uln2004apg,uln2004afwg. 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. Stmicroelectronics, alldatasheet, datasheet, datasheet. Ti 7c types of uln sn75468 un2003a uln2004a uln2003a. Uln2003, uln2004 seven darlington arrays datasheet production data features seven darlingtons per package output current 500 ma per driver 600 ma peak output voltage 50 v integrated suppression diodes for inductive loads outputs can be paralleled for higher current ttlcmospmosdtl compatible inputs.
The uln2002a, uln2003a and uln2004a are high voltage, high current darlington arrays each containing seven open collector common emitter pairs. Voltage is required for the relay to operate and to open or close its switch in a circuit. In the same family are uln2002a, uln2004a, as well as ulq2003a and ulq2004a, designed for different logic input levels. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual, uln2003 pdf. How to used uln2003 stepper motor driver module in arduino. The required input current of the uln ulq2004a is below that of the uln ulq2003a, and the required voltage is less than that required by the uln2002a. Seven darlington array, uln2003 pdf download stmicroelectronics, uln2003 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. Relay driver uln2003 relay driver ic electrical projects.
The collectorcurrent rating of a single darlington pair is 500 ma. Uln2003 pdf, uln2003 description, uln2003 datasheets, uln2003. Etc1 highvoltage, highcurrent darlington arrays,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Jun 09, 2017 so that is all from the tutorial introduction to uln2003. Stmicroelectronics seven darlington arrays,alldatasheet, datasheet, datasheet search site for. Uln2003 is the original highvoltage, highcurrent darlington array. Sep 16, 2018 uln2003 datasheet darlington arrays uln2003 allegro, uln2003 datasheet, uln2003 pdf, uln2003 pinout, uln2003 equivalent, uln2003 data, circuit, output. The uln2803a is a highvoltage, highcurrent darlington transistor array. The collectorcurrent rating of each darlington pair is. Uln2003 datasheetpdf 4 page stmicroelectronics html. Uln2001a uln2002a uln2003a uln2004a datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Recent listings manufacturer directory get instant insight into any electronic component. Uln2003 pdf, uln2003 description, uln2003 datasheets. These devices will handle numberous interface needs particularly those beyond the capabilities of standard logic buffers.
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