ULN2003APWG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ULN2003APWG4 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for ULN2003APWG4 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.
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Application Scenarios: This chip is widely used in automation systems, automotive applications, and consumer electronics for driving relays, solenoids, stepper motors, and LED displays.
Parameter Features: There are seven Darlington pairs in the ULN2003APWG4, and each one may sink up to 500mA. It is compatible with TTL and CMOS logic levels, with a maximum voltage rating of 50V and input resistors for every Darlington pair.
Example of Circuit Design for Stepper Motor Control:
- Pins 1 through 7 on the ULN2003APWG4 should be connected to the output pins of a microcontroller or other control device. The stepper motor's steps are controlled by these inputs.
- Output Connections: Attach the stepper motor's coils to the outputs (pins 10–16). To drive the motor, the control signals are amplified using the ULN2003APWG4.
- Common Ground: Attach the ULN2003APWG4's pin 8 to the circuit's ground. This acts as the input and output voltage reference point.
- Power Supply: Connect the positive side of the motor coils to a suitable voltage supply, and the other side to the outputs of the ULN2003APWG4.
- Flyback Diodes: It's advisable to connect a diode across each motor coil to protect the ULN2003APWG4 from voltage spikes caused by the inductive load when the motor is switched.
Design Considerations:
- Heat Dissipation: Ensure adequate heat dissipation, as driving a stepper motor can generate significant heat in the ULN2003APWG4.
- Input Voltage Levels: Verify that the input voltage levels from the control device are within the acceptable range for the ULN2003APWG4.
- Motor Specifications: The stepper motor's current and voltage ratings must be compatible with the ULN2003APWG4's capabilities to prevent damage and ensure reliable operation.
In this stepper motor control example, the ULN2003APWG4's ability to interface low-level logic signals with high-power devices is demonstrated.
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ULN2003APWG4 we delivered, we will accept the replacement or return of the ULN2003APWG4 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of ULN2003APWG4.
(3)The PartNo is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
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