ULN2003AIPWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The ULN2003AIPWG4 is a high-voltage, high-current Darlington transistor array IC from Texas Instruments featuring 7 NPN Darlington pairs with 500mA output current capacity. Designed for driving relays, motors, lamps, and other inductive loads, it includes built-in transient suppression diodes. Available in SOIC-16 package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- ULN2003AIPWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 7-channel NPN Darlington array with 500mA sink current per channel for driving high-current loads
- Built-in flyback suppression diodes protect against inductive transients from relays and motors
- Wide supply voltage compatibility supports standard TTL and CMOS logic input levels with open-collector outputs
Applications
The ULN2003AIPWG4 is widely used in industrial automation and consumer electronics for driving relay coils, stepper motors, solenoids, and LED arrays. It serves as a buffer/driver between low-power microcontrollers and high-current peripheral loads in printer drivers, motor control circuits, and lamp drivers. Its 7-channel architecture makes it ideal for multi-output control systems requiring compact footprint.
Specifications
| YTEOL | 0 |
| Built-in Protections | TRANSIENT |
| Driver Number of Bits | 7 |
| Input Characteristics | STANDARD |
| Interface IC Type | BUFFER OR INVERTER BASED PERIPHERAL DRIVER |
| JESD-30 Code | R-PDSO-G16 |
| Number of Functions | 1 |
| Output Characteristics | OPEN-COLLECTOR |
| Output Current Flow Direction | SINK |
| Output Peak Current Limit-Nom | 0.5A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max | 1.45mA |
| Supply Voltage-Max | 50V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Turn-off Time | 10 µs |
| Turn-on Time | 10 µs |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum output current per channel for the ULN2003AIPWG4?
Each channel of the ULN2003AIPWG4 can sink up to 500mA peak output current, making it suitable for driving relays, small motors, solenoids, and LED arrays without external transistors.
Does the ULN2003AIPWG4 include flyback protection diodes?
Yes, the ULN2003AIPWG4 features built-in transient suppression (flyback) diodes connected to a COM pin, which protect the IC from voltage spikes generated by inductive loads like relay coils and motors.
What logic families are compatible with the ULN2003AIPWG4 inputs?
The ULN2003AIPWG4 accepts standard TTL and CMOS logic input levels. Each input has a series base resistor, making it directly compatible with 5V logic systems for easy interfacing with microcontrollers and digital logic ICs.
What package does the ULN2003AIPWG4 use?
The ULN2003AIPWG4 comes in a 16-pin Small Outline IC (SOIC) package, designated as PDSO-G16, which is surface-mountable and suitable for compact PCB designs in space-constrained applications.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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