Diodes Incorporated ULN2002AS16-13

Overview

ULN2002AS16-13 from Diodes Incorporated is a high-voltage, high-current Darlington transistor array containing seven open-collector common-emitter pairs, each rated for 500mA continuous collector current and 50V output voltage. It integrates input resistors (7.2kΩ), clamp diodes, and is optimized for 14V–25V pMOS logic compatibility. It drives relays, solenoids, and LED displays in industrial control and automation systems.

For engineers reviewing the ULN2002AS16-13 datasheet, ULN2002AS16-13 pinout, ULN2002AS16-13 application, or ULN2002AS16-13 equivalent, key selection criteria include input voltage threshold (≤13V), V_CE(SAT) ≤1.6V at 350mA, integrated clamp diode rating (50V/500mA), thermal resistance (63°C/W), and SO-16 package compatibility with legacy relay driver layouts.

Technical Context

The ULN2002AS16-13 implements seven independent Darlington pairs with on-chip 7.2kΩ base resistors and integrated flyback diodes connected to a shared COM terminal. Each channel operates as a grounded-emitter switch with open-collector output, enabling direct interfacing with inductive loads without external protection components.

It supports logic-level inputs up to 30V and delivers low saturation voltage (0.9–1.6V) across 100–350mA load currents, with guaranteed operation from −40°C to +105°C ambient. Propagation delay is ≤1µs, and total emitter current capability is −2.5A, enabling multi-channel simultaneous drive with derated per-channel current.

Key Specifications

Pinout & Package

ULN2002AS16-13 is housed in a standard SO-16 (Small Outline, 150mil width) package with 1.26mm max height, RoHS-compliant matte tin plating, and J-STD-020 Level 1 moisture sensitivity.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Darlington array applications.

Compared with ULN2003AS16-13 and ULN2004AS16-13, the ULN2002AS16-13 offers the highest input voltage threshold (≤13V) and lowest input current at 17V, making it uniquely suitable for 14–25V pMOS systems where logic swing exceeds 5V but requires minimal gate drive current.

Availability

ULN2002AS16-13 is available at Aetrix Electronics and suitable for industrial relay control, thermal printer head driving, LED display multiplexing requiring stable component supply and long-term production continuity.

Supply support for ULN2002AS16-13 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 semiconductor company specializing in discrete, analog, and mixed-signal ICs, with emphasis on high-reliability power management and interface solutions.

The ULN2002A belongs to Diodes' legacy Darlington array product line, designed specifically for robust, cost-effective switching of inductive and resistive loads in industrial, automotive, and consumer equipment.

FAQ

What logic families is ULN2002AS16-13 compatible with?

ULN2002AS16-13 is optimized for 14V–25V pMOS logic interfaces, with an input threshold voltage (VI(ON)) of ≤13V and input current of 0.82–1.25mA at 17V. It is not intended for direct 3.3V or 5V TTL/CMOS logic without level translation, unlike ULN2003A or ULN2004A variants.

Can ULN2002AS16-13 drive multiple channels simultaneously?

Yes - it supports simultaneous conduction of all seven channels, with a total emitter current limit of −2.5A. However, thermal derating applies: at 25°C ambient, maximum continuous per-channel current drops to ~350mA when all channels are active due to junction temperature limits and θ_JA = 63°C/W.

How is the COM pin used in inductive load circuits?

The COM pin connects to the positive supply rail of the inductive load (e.g., relay coil or solenoid). When the corresponding Darlington turns off, stored energy discharges through the internal clamp diode from the output pin to COM, preventing voltage spikes exceeding 50V at the collector.

Is ULN2002AS16-13 qualified for automotive applications?

No - ULN2002AS16-13 is not AEC-Q100 qualified. Diodes Incorporated offers automotive-grade alternatives (e.g., AEC-Q100-compliant versions) upon request, but this specific part is intended for industrial and commercial use only, with operating temperature range −40°C to +105°C.