What is the Additional Feature ?

Name: ULN2803ADW-P
Brand: Texas Instruments
SKU: ULN2803ADW-P
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments ULN2803ADW-P

Part No.:: ULN2803ADW-P

Manufacturer:: Texas Instruments

Package:: 18-SOIC (0.295, 7.50mm Width)

Datasheet:

Description:: IC

In Stock:: 2897

Quantity:: Add To Cart

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ULN2803ADW-P Specifications

Packaging:
Bulk
Series:
-
ProductStatus:
Obsolete
TransistorType:
8 NPN Darlington
Current-Collector(Ic)(Max):
500mA
Voltage-CollectorEmitterBreakdown(Max):
50V
VceSaturation(Max)@IbIc:
1.6V @ 500µA, 350mA
Current-CollectorCutoff(Max):
50µA
DCCurrentGain(hFE)(Min)@IcVce:
-
Power-Max:
-
Frequency-Transition:
-
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

ULN2803ADW-P this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ULN2803ADW-P 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 ULN2803ADW-P 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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ULN2803ADW-P information

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ULN2803ADW-P Typical application Circuitry

ULN2803ADW-P

The ULN2803ADW-P is an integrated circuit commonly used as a Darlington transistor array. It's designed for driving high-current loads with high-voltage outputs, making it suitable for interfacing with logic systems like microcontrollers.

Key Features of the ULN2803ADW-P:

1. Multiple Darlington Transistors: The ULN2803ADW-P contains eight Darlington transistors, allowing it to drive multiple outputs simultaneously.

2. High Voltage and Current Handling: It can manage output voltages up to 50V and currents up to 500mA per channel.

3. Built-in Clamp Diodes: These diodes provide protection against voltage spikes, especially when driving inductive loads.

4. Wide Compatibility: The ULN2803ADW-P is compatible with various types of logic devices and microcontrollers.

Application Scenarios for the ULN2803ADW-P:

- Controlling Stepper Motors: In applications like 3D printers or CNC machines.

- Driving LED Arrays: For large LED displays or signage.

- Relay Control Systems: In automation and control applications.

Specific Application Scenario: Driving a Stepper Motor in a CNC Machine

In a CNC machine, the ULN2803ADW-P can be used to drive a stepper motor, which is essential for precise movements and operations.

Detailed Circuit Connection for the ULN2803ADW-P:

1. Input from Microcontroller:

- Connect the input pins (1-8) of the ULN2803ADW-P to the corresponding output pins of a microcontroller.

2. Output to Stepper Motor:

- Attach the output pins (10-17) of the ULN2803ADW-P to the coils of the stepper motor.

3. Power Supply:

- The common pin (9) of the ULN2803ADW-P should be connected to the positive side of the power supply, which must be capable of providing the required voltage and current for the stepper motor.

4. Ground Connection:

- Ensure that the ground of the ULN2803ADW-P is connected to the system ground.

Design Considerations with the ULN2803ADW-P:

1. Load Specifications: Check that the stepper motor's voltage and current requirements are within the operating limits of the ULN2803ADW-P.

2. Thermal Management: Depending on the load, the ULN2803AD

W-P may generate significant heat, thus requiring proper heat dissipation measures.

3. Power Supply Stability: The power supply should be stable and capable of handling the current demands of the motor without significant voltage drops.

4. Signal Integrity: Minimize noise and interference in the signals from the microcontroller to the ULN2803ADW-P to ensure accurate motor control.

5. Protection Mechanisms: Although the ULN2803ADW-P has internal clamp diodes, additional protection for overvoltage and reverse polarity can be beneficial, especially in CNC applications where precision is critical.

6. PCB Layout and Wiring: Careful PCB design and wiring are essential to minimize inductive losses and ensure that the connections to the stepper motor are secure and reliable.

By integrating the ULN2803ADW-P in a CNC machine for driving a stepper motor, the system can achieve precise control and high reliability in its operations, provided these design guidelines are carefully followed.

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6. What is the process for return or replacement of ULN2803ADW-P?

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 ULN2803ADW-P we delivered, we will accept the replacement or return of the ULN2803ADW-P 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 ULN2803ADW-P.

(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