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Diodes Incorporated ULN62003AS16-13
- Part No.:
- ULN62003AS16-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ULN62003AS16-13.pdf
- Description:
- TRANS 50V 500MA 16-SO
- Quantity:
- Payment:
- Shipping:
Inventory:3,865
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Product details
Overview
ULN62003AS16-13 from Diodes Incorporated is a high-voltage, high-current DMOS transistor array containing seven open-drain N-channel MOSFET outputs with integrated clamp diodes, rated for 500mA per channel and 50V output voltage. It serves as an industrial-grade load driver in relay, solenoid, stepper motor, and thermal print-head control circuits, featuring low on-resistance (0.7–1.14V at 350mA) and logic-compatible inputs.
For engineers reviewing the ULN62003AS16-13 datasheet, ULN62003AS16-13 pinout, ULN62003AS16-13 application, or ULN62003AS16-13 equivalent, key selection criteria include per-channel current capability under thermal derating, common-source grounding architecture, clamp diode integration for inductive kickback suppression, and SO-16 package compatibility with legacy peripheral driver footprints.
Technical Context
The ULN62003AS16-13 implements seven independent DMOS high-side switch channels with all sources tied to a shared GND (pin 8) and clamp diodes connected to a common COM node (pin 9). Each channel operates as an open-drain sink, requiring external pull-up or load connection to positive supply up to 50V.
Input logic thresholds are defined by VIN(ON) ≤ 2.5V and VIN(OFF) ≥ 0.6V, enabling direct interface with TTL, CMOS, and microcontroller GPIOs. Thermal performance is characterized by θJA = 80°C/W (JEDEC 2s2p board), supporting sustained 270mA per channel across all seven outputs at +85°C ambient when duty-cycled at 50%.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage Rating | 50V - supports direct driving of 24V/48V industrial loads without external voltage translation |
| Max Output Current (per channel) | 500mA - enables direct control of small relays, solenoids, and LED arrays without external buffering |
| On-State Resistance (RDS(ON)) | 0.7–1.14V @ 350mA - reduces power loss to ≤399mW per active channel, easing thermal management |
| Input Logic Compatibility | TTL/CMOS - accepts 2.5–25V input voltage range, eliminating need for level-shifting circuitry |
| Clamp Diode Integration | Internal bidirectional clamping to COM pin - suppresses inductive flyback up to 50V without discrete diodes |
| Thermal Resistance (Junction-to-Ambient) | 80°C/W (JEDEC 2s2p) - allows 1.56W max power dissipation at +25°C, scalable via PCB copper area |
| Operating Temperature Range | −40°C to +125°C - qualified for industrial and residential HVAC, appliance, and automation environments |
Pinout & Package
ULN62003AS16-13 is housed in an industry-standard SO-16 (Type SM) surface-mount package (Package Code S16), measuring 9.90 × 6.00 mm with 1.27 mm pitch, matte tin-plated leads, and moisture sensitivity level 3 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–7 (IN1–IN7) | Logic Input Control | Enable individual DMOS channels; driven high to activate sink output |
| 8 | GND | Common source return for all seven DMOS transistors |
| 9 | COM | Anode connection point for all internal clamp diodes; must be tied to load supply rail |
| 10–16 (OUT7–OUT1) | Open-Drain Output | Sink terminals - connect to cathodes of LEDs, relay coils, or motor windings |
Key Features
| Feature | Design Value |
|---|---|
| Seven-channel DMOS architecture | Enables consolidated control of multi-load systems (e.g., 7-segment display + status indicators + relay bank) in single IC |
| Integrated clamp diodes | Eliminates 7 external flyback diodes, reducing BOM count and PCB area while ensuring consistent transient protection |
| Low RDS(ON) vs bipolar arrays | Reduces conduction loss by >40% compared to legacy ULN2003A Darlington equivalents, lowering die temperature rise |
| Pinned-in-opposition layout | IN1–IN7 on left side and OUT1–OUT7 on right side simplifies routing of parallel load traces and minimizes crosstalk |
| RoHS 3 / Halogen-free / Lead-free | Complies with EU Directive 2015/863/EU and automotive change-control requirements (AEC-Q200 ready upon request) |
Applications
| Appliance Motor Control | Industrial Relay Interface |
|---|---|
|
Use Scenario: Driving DC motors and solenoids in window air conditioners, washing machines, and microwave oven turntables. IC Role / Device Role / Timing Role: High-current sink driver translating MCU GPIO signals into 24V/500mA load actuation with built-in flyback protection. Use Value: Eliminates discrete MOSFET+diode combinations, reducing component count by 14 parts per board while maintaining thermal margin at +85°C ambient. |
Use Scenario: Controlling 12–48V AC/DC relays in programmable logic controllers (PLCs) and HVAC zone actuators. IC Role / Device Role / Timing Role: Seven-channel relay coil driver with common COM node enabling shared snubber network across all outputs. Use Value: Reduces relay drive circuit footprint by 65% versus dual-inline alternatives and supports simultaneous activation of up to four 24V/400mA relays at 50% duty cycle. |
| Stepper Motor Phasing | Thermal Print-Head Driver |
|
Use Scenario: Sequencing phase currents in unipolar stepper motors used in automated irrigation valves and CNC positioning stages. IC Role / Device Role / Timing Role: Precision-timed sink driver for 5–7 coil segments, synchronized via microcontroller PWM with <0.8µs turn-off delay. Use Value: Enables microstepping resolution down to 1/8-step using external current limiting, with RDS(ON) stability across −40°C to +125°C. |
Use Scenario: Energizing resistive heating elements in thermal receipt printers and label printers operating at 200–300°C head temperature. IC Role / Device Role / Timing Role: Fast-switching load driver delivering pulsed 500mA bursts to individual print dots with <0.4µs turn-on delay. Use Value: Supports 200 dpi dot density at 100 mm/s print speed while maintaining <1.14V saturation voltage even at elevated junction temperatures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current open-drain array applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ULN2003A | Bipolar Darlington architecture; higher VCE(sat) (1.2V min), lower max current (500mA shared across 7 channels), no integrated clamp diode anode tie | Limited to lower-power loads (<200mA continuous); requires external COM connection and larger heatsinking | Select when legacy footprint compatibility is mandatory and thermal budget exceeds 1.5W |
| TBD62783AFWG,EL | DMOS-based 8-channel array; 500mA per channel, 50V rating, but uses different pinout (IN/OUT interleaved) and lacks COM pin | Requires redesign of PCB layout and external clamping; better suited for space-constrained designs needing 8th channel | Select when adding an eighth driver channel is required and board re-spin is acceptable |
Compared with ULN2003A and TBD62783AFWG,EL, the ULN62003AS16-13 delivers superior thermal efficiency per channel, simplified inductive load protection via dedicated COM pin, and optimized pinout for parallel load routing-making it ideal for new industrial and appliance designs prioritizing reliability and layout simplicity.
Availability
ULN62003AS16-13 is available at Aetrix Electronics and suitable for appliance motor control, industrial relay interfacing, stepper motor phasing, and thermal print-head driving requiring stable component supply across extended production lifecycles.
Supply support for ULN62003AS16-13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.
The ULN62003A belongs to Diodes' high-voltage DMOS driver product line, engineered specifically for replacing legacy bipolar arrays in demanding load-driving applications where efficiency, thermal robustness, and integrated protection are critical.
FAQ
What is the maximum continuous current per channel at +125°C ambient?
At +125°C ambient and TA = +125°C, the ULN62003AS16-13 supports 120mA per channel with all seven outputs active at 50% duty cycle and 25ms pulse width, based on thermal derating curves in DS44827 Rev. 4–2. This value assumes JEDEC 2s2p board conditions and accounts for junction temperature limits of +150°C.
Can the COM pin be left floating or tied to a different voltage than the load supply?
No. The COM pin must be connected directly to the positive terminal of the load supply (e.g., +24V or +48V rail) to provide the anode path for all internal clamp diodes. Leaving COM floating disables flyback protection and risks device failure during inductive switching; connecting it to a different voltage violates absolute maximum ratings and may cause latch-up.
Is the ULN62003AS16-13 pin-compatible with the ULN2003A?
No. Although both are 16-pin SO packages with seven drivers, ULN62003AS16-13 uses opposing pin layout (IN1–IN7 on left, OUT1–OUT7 on right) and includes dedicated COM (pin 9) and GND (pin 8) pins, whereas ULN2003A places IN/OUT pairs adjacently and shares COM/GND. Board layout redesign is required for replacement.
Does this device support PWM dimming or motor speed control?
Yes. With turn-on/off delays of 0.4µs and 0.8µs respectively, and stable RDS(ON) across input voltages (2.5–10V) and temperatures (−40°C to +125°C), the ULN62003AS16-13 supports PWM frequencies up to 100kHz for LED dimming and DC motor speed control-provided thermal design accommodates average power dissipation at target duty cycle.
ULN62003AS16-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Transistor Type:
- -
- Current - Collector (Ic) (Max):
- 500mA
- Voltage - Collector Emitter Breakdown (Max):
- 50V
- Vce Saturation (Max) @ Ib, Ic:
- -
- Current - Collector Cutoff (Max):
- -
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- -
- Power - Max:
- -
- Frequency - Transition:
- -
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SO
ULN62003AS16-13 FAQ
1.How can I place an order for ULN62003AS16-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for ULN62003AS16-13 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ULN62003AS16-13 reliable?
The price and inventory of ULN62003AS16-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ULN62003AS16-13 is usually 5 days.
3.What payment methods are accepted for ULN62003AS16-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ULN62003AS16-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ULN62003AS16-13?
ULN62003AS16-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ULN62003AS16-13 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ULN62003AS16-13?
For technical support, including ULN62003AS16-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ULN62003AS16-13 requirements.
6.How does Aetrix verify that ULN62003AS16-13 is sourced from the original manufacturer or authorized distributors?
All ULN62003AS16-13 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ULN62003AS16-13 meets industry standards.
7.What is the process for return or replacement of ULN62003AS16-13?
All ULN62003AS16-13 units undergo pre-shipment inspection (PSI). If there is an issue with ULN62003AS16-13, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ULN62003AS16-13 part is unused and in its original packaging.
Return procedure for ULN62003AS16-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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