Tpic2701, uln2001, uln2002, uln2004, l293d, motor driver shield. In this circuit diagram, the pic microcontroller is providing a signal to 4 relays through relay driver ic uln2003. Ltd 1 high voltage and high current darlington transistor array description the uln2003 is a monolithic high voltage and high current darlington transistor arrays. Seven darlington array datasheet production data features. Pick a free gpio pin on an expansion header and run a wire from it to one of the input pins on the driver board. The uln2003 is a monolithic high voltage and high current. The ic uln2003a comprises of 7npn darlington pairs as shown in the internal schematic diagram and is typically used to switch inductive loads dissipates voltage spikes if any using suppression diode and to drive stepper motors.
Typical usage of the uln2003a is in driver circuits for relays, lamp and led displays, stepper motors, logic buffers and line drivers. Schematic diagram uln2001 each driver uln2002 each driver uln2003 each driver uln2004 each driver pin configuration uln2001, uln2002, uln2003, uln2004 419 docid5279 rev 9 2 pin configuration. Uln2003 linear integrated circuit datasheet catalog. Suppression diodes are included for inductive load driving and the inputs are pinned opposite. Uln2003ag datasheet pdf darlington transistor arrays, datasheet, uln2003ag pdf, pinout, data, circuit, ic, manual, parts, schematic, equivalent. When the load is connected between the output and the power supply, the common pin should be shorted to the. Seven darlington arrays online from elcodis, view and download uln2001 pdf datasheet, transistors specifications. Dummies guide on driving a 28byj48 stepper motor with a. The darlington pairs can be paralleled for higher current capability. Introduction to uln2803 pin configuation, how to use it. Uln2001, uln2002 uln2003, uln2004 stmicroelectronics. All units feature integral clamp diodes for switching inductive loads.
The uln2001a, uln2002a, uln2003 and uln2004a are high voltage, high current darlington arrays each containing seven open collector dar. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual, uln2003 pdf, uln2003, datenblatt, electronics uln2003, alldatasheet, free, datasheet, datasheets. Pin configuration uln2001, uln2002, uln2003, uln2004 417 docid5279 rev 12 2 pin. The uln2001a, uln2002a, uln2003 and uln2004a are high voltage, high current darlington arrays each containing seven open collector darlington pairs with common emitters. Its pin division on the basis of functions associated with them is shown in above figure. Further description will be given in this tutorial later. This ic comes in handy when we need to drive high current loads using digital. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, datasheet, data sheet, pdf home all manufacturers by category part name, description or manufacturer contain. Physically connecting a microcontroller to the driver board is straight forward. The collectorcurrent rating of a single darlington pair is 500 ma. Input pins placed opposite to output pins to simplify layout. The input and output parasitic diodes cannot be used as clamp diodes.
Uln2003 is the original highvoltage, highcurrent darlington array. 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. Known for its high current and high voltage capacity, the uln2003 gives a higher current gain than a single transistor and enables the low voltage and low current. The 28byj48 stepper motor consumes high current and hence, we will need to use a driver ic like the uln2003 in order to control the motor with a microcontroller like the arduino. Uln2003a ic is one of the most commonly used motor driver ic. Wiring connecting 28byj48 stepper motor and uln2003 driver board to arduino uno. The uln2803a is a highvoltage, highcurrent darlington transistor array. Make sure your power supply has sufficient power to drive the stepper motor.
Uln2001a uln2002a uln2003a uln2004a schematic diagram series uln2001a each driver series uln2003a each driver absolute maximum ratings symbol v output voltage o v input voltage for uln2002ad 2003ad 2004a continuous collector current c i continuous base current b t operating ambient temperature range amb t storage. The wiring diagramschematic below shows you how to connect the uln2003 driver board to the 28byj48 stepper motor and the arduino. The relay driver circuit using uln2003 is given below. Uln2003 darlington arrays are furnished in a 16pin dual inline plastic package. The uln2003 is a monolithic ic consists of seven npn darlington transistor pairs with high voltage and current capability. Uln2001, uln2002, uln2003, uln2004 pin connections top view 416 doc id 5279 rev 8 uln2001, uln2002, uln2003, uln2004, uln2001, uln2002 uln2003, uln2004 seven.
Uln2003 ic is one of the most commonly used motor driver ic. Relay driver circuit using uln2003 and its applications. Added pin configuration and functions section, esd ratings table. It consists of seven npn darlington pairs that features highvoltage outputs with commoncathode clamp diode for switching. Uln200x, ulq200x highvoltage, highcurrent darlington.
Datasheet production data features eight darlington transistors with common emitters output current to 500 ma output voltage to 50 v integral suppression diodes versions for all popular logic families output can be paralleled inputs pinned opposite outputs to simplify board layout description the uln2801a, uln2802a, uln2803a and. Uln2003 datasheet pdf seven darlington array st, uln2003 datasheet, uln2003 pdf, uln2003a pinout, substitute, uln2003 equivalent, uln2003 data, circuit. Uln2003 pin diagram datasheet, cross reference, circuit and application notes in pdf format. The uln2003 stepper motor driver pcb provides a direct drive interface between your. Uln2003ag datasheet pdf darlington transistor arrays. Uln2003a, ulq2003a high voltage, high current darlington. The output transistors are capable of sinking 500ma and will sustain at least 50v in the off state.
The device consists of eight npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. Uln2001, uln2002, uln2003, uln2004 pin connections top view 416 doc id 5279 rev 8 uln2001, uln2002, uln2003, uln2004, uln2001, uln2002 uln2003, uln2004 seven darlington array datasheet a production data, outputs to. The input and output parasitic diodes cannot be used as clamp. Output may be paralleled for higher loadcurrent capability. Complete technical details can be found at the uln2003 datasheet given at the end of this page. Each consists of seven npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. When it is applied with a general logic circuit such as ttl or cmos, resistors should be connected in series to every input to achieve a stable input current. Schematic diagram uln2001 each driver uln2002 each driver uln2003 each driver uln2004 each driver downloaded from. Uln2002, ul n2003, uln2004 diagram 17 1 diagram figure 1. In short the pins can be divided into four different categories i.
Uln2001, uln2002 uln2003, uln2004 seven darlington arrays datasheet production data. In this device, eight darlington pairs of npn configuration are present that have the feature of high voltage outputs along with the commoncathode clamp diodes that is used to switch inductive loads. Each channel rated at 500ma and can withstand peak currents of 600ma. Relay driver ic uln2003 internal schematic diagram. Pin descriptions pin number pin name function so16pdip16 1 1b input pair 1 2 2b input pair 2 3 3b input pair 3 4 4b input pair 4 5 5b input pair 5 6 6b rinput pair 6 7 7b input pair 7 8 e common emitter ground 9 com common clamp diodes 10 7c output pair 7 11 6c output pair 6 12 5c output pair 5 4c output pair 4. Datasheet production data features x seven darlingtons per package. Display drivers led and gas discharge part number package pin body size nom line drivers soic 18 11. Rev 8 316 pin configuration 2 pin configuration figure 2. The collectorcurrent rating of each darlington pair is 500 ma. Uln2803apg,uln2803afwg,uln2804apg,uln2804afwg manufactured by toshiba malaysia 8ch darlington sink driver the uln2803apg afwg series are high. At the heart of the driver is a uln2003an integrated circuit. Uln2001, uln2002 uln2003, uln2004 arrow electronics. Uln2003 datasheet, uln2003 pdf, uln2003 data sheet, uln2003 manual. The uln2002a, uln2003a and uln2004a are high voltage, high.