What is the Additional Feature ?

Name: ULN2003ANSR
Brand: Texas Instruments
SKU: ULN2003ANSR
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 ULN2003ANSR

Part No.:: ULN2003ANSR

Manufacturer:: Texas Instruments

Package:: 16-SO

Datasheet:: ULN2003ANSR.pdf

Description:: IC PWR RELAY 7NPN 1:1 16SO

In Stock:: 3465

Quantity:: Add To Cart

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ULN2003ANSR Specifications

Package/Case:
16-SO
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
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

ULN2003ANSR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ULN2003ANSR 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 ULN2003ANSR 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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ULN2003ANSR information

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ULN2003ANSR Typical application Circuitry

A high-voltage, high-current Darlington transistor array is the ULN2003ANSR. Essentially, it's a collection of multiple Darlington transistor pairs within a single IC, providing an interface between low-voltage control circuits (like microcontrollers) and higher voltage/current devices.

Application Scenarios: The ULN2003ANSR is highly versatile and can be found in a variety of scenarios. These include driving relays, solenoids, stepping motors, incandescent lamps, and more. For our focused discussion, we'll explore its application in driving a stepper motor.

Parameter Features of ULN2003ANSR:

1. Contains seven open-collector, common emitter Darlington pairs.

2. Output current (single output) of 500 mA for each Darlington pair.

3. Integrated suppression diodes for inductive loads.

4. Operating voltage of up to 50V.

5. Inputs compatible with popular logic types.

Circuit Connection for Driving a Stepper Motor:

1. Input Pins: The ULN2003ANSR has seven input pins (1B-7B). If you're using a 4-phase stepper motor, you'll connect four of the microcontroller's output pins to four of these input pins.

2. Output Pins: Corresponding to each input pin, the ULN2003ANSR has an output pin (1C-7C). Directly attach each selected output pin to a stepper motor coil.

3. Ground and Common: Your system's ground should be linked to the GND pin. The COM pin is internally connected to the suppression diodes' cathodes for the outputs. When driving inductive loads like motors, this pin should be tied to the positive supply of the motor.

4. Supply Voltage for the Motor: The positive terminal of your stepper motor's power supply connects to the motor's common wire. The negative is routed through the ULN2003ANSR outputs when activated by the inputs.

5. Microcontroller Interface: The microcontroller sends stepping sequences to the input pins of the ULN2003ANSR to control the rotation direction, speed, and steps of the motor.

Design Considerations with ULN2003ANSR in Stepper Motor Control:

- Power Ratings: Ensure the motor's current and voltage requirements do not exceed the ULN2003ANSR specifications.

- Heat Dissipation: The chip can become hot when driving heavy loads. Consider adding a heat sink or ensure adequate ventilation in compact designs.

- Motor Power Supply: It's a good practice to keep the motor's power supply separate from the logic/control power to prevent noise and interference.

- Input Drive: Ensure that the logic levels from your microcontroller or control circuitry match the requirements for the ULN2003ANSR to ensure reliable operation.

- Protection: While the IC has built-in diodes for inductive load suppression, it's always wise to consider additional protection mechanisms, like fuses, especially in critical applications.

In summary, the ULN2003ANSR is a workhorse when it comes to interfacing low-power control circuits with high-power devices. With its built-in features and robust design, it finds itself at home in a myriad of applications ranging from simple relay controls to intricate motor drives. Proper circuit design and attention to the IC's specifications will ensure a long and reliable operational life for your applications.

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6. What is the process for return or replacement of ULN2003ANSR?

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(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 ULN2003ANSR.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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