What is the Additional Feature ?

Name: ULN2003APW
Brand: Texas Instruments
SKU: ULN2003APW
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 ULN2003APW

Part No.:: ULN2003APW

Manufacturer:: Texas Instruments

Package:: 16-TSSOP

Datasheet:: ULN2003APW.pdf

Description:: TRAN 7NPN DARL 50V 0.5A 16TSSOP

In Stock:: 3702

Quantity:: Add To Cart

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ULN2003APW Specifications

Package/Case:
16-TSSOP
Packaging:
Bulk,Tube
Series:
ULx200xA
ProductStatus:
Active
SwitchType:
Relay, Solenoid Driver
NumberofOutputs:
7
Ratio-Input:Output:
1:1
OutputConfiguration:
Low Side
OutputType:
NPN
Interface:
Parallel
Voltage-Load:
50V (Max)
Voltage-Supply(Vcc/Vdd):
Not Required
Current-Output(Max):
500mA
RdsOn(Typ):
-
InputType:
Inverting
Features:
-
FaultProtection:
-
OperatingTemperature:
-40°C ~ 70°C (TA)
MountingType:
Surface Mount

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ULN2003APW information

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ULN2003APW Typical application Circuitry

ULN2003APW

A high-voltage, high-current array of Darlington transistors makes up the ULN2003APW device. High-power devices and low-level logic circuits are frequently interfaced with it.

Situations of Applications: The chip is used to power devices that need more current or voltage than a microcontroller can directly supply, such as LED displays, solenoids, stepper motors, and relays.

Features of Parameters: Seven Darlington pairs, each with a 500mA sinking capability, make up the ULN2003APW. It is compatible with TTL and CMOS logic levels, with a maximum voltage rating of 50V and input resistors for every Darlington pair.

Circuit Design Example - Relay Driving:

1. Input Connections: Connect the inputs of the ULN2003APW (pins 1-7) to the output pins of a microcontroller or another control device. These inputs control the relay operation.

2. Output Connections: Connect the outputs (pins 10-16) to the coils of the relays. The ULN2003APW amplifies the control signals to drive the relays.

3. Common Ground: Connect pin 8 of the ULN2003APW to the ground of the circuit. This serves as a reference point for both input and output voltages.

4. Power Supply: Connect the positive side of the relay coils to a suitable voltage supply, and the other side to the outputs of the ULN2003APW. Pin 9 is left open in this configuration.

5. Flyback Diodes: It's advisable to connect a diode across each relay coil to protect the ULN2003APW from voltage spikes caused by the inductive load when the relay is switched off.

Design Considerations:

- Power Dissipation: Ensure adequate heat dissipation, as driving multiple relays can generate significant heat in the ULN2003APW.

- Input Voltage Levels: Verify that the input voltage levels from the control device are within the acceptable range for the ULN2003APW.

- Relay Specifications: The relays' current and voltage ratings must be compatible with the ULN2003APW's capabilities to prevent damage and ensure reliable operation.

In this relay driving example, the ULN2003APW's ability to interface low-level logic signals with high-power devices is demonstrated.

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6. What is the process for return or replacement of ULN2003APW?

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 ULN2003APW we delivered, we will accept the replacement or return of the ULN2003APW 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 ULN2003APW.

(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