DS2003CM Equivalent & Substitute Parts

Part Overview

The DS2003CM is a 6-channel driver IC manufactured by Texas Instruments in a 16-SOIC surface mount package. This component is classified as an interface driver with a 5V supply voltage and operating temperature range of -40°C to 85°C. The part is currently obsolete, making equivalent and substitute parts necessary for new designs and production continuity. Substitute parts must maintain functional compatibility through matching electrical specifications and package form factors.

Key Parameters

Parameter	DS2003CM
Manufacturer	Texas Instruments
Part Number	DS2003CM
Product Status	Obsolete
Package / Case	16-SOIC (0.154", 3.90mm Width)
Number of Drivers/Receivers	6/0
Voltage - Supply	5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the DS2003CM is based on the following critical parameters:

Package Compatibility: All substitute parts must use 16-SOIC surface mount packaging (0.154", 3.90mm width) to ensure PCB layout compatibility
Output Configuration: Substitute parts must provide low-side driver or transistor array output configuration
Current Rating: Output current capability of 500mA matches the original specification
Voltage Rating: Maximum load voltage of 50V accommodates the 5V supply requirement
Operating Temperature: Range of -40°C to 85°C maintains thermal compatibility
Interface Type: Parallel interface with inverting input type ensures signal compatibility

Substitute parts are grouped into two functional categories: power management driver ICs (ULQ2003AD, ULN2001D1013TR, ULN2002D1013TR, ULN2003ADR2G, ULN2003D1013TR, ULN2004D1013TR, ULQ2003ADR2G) and bipolar transistor arrays (MC1413BDR2G, MC1413DR2G, NCV1413BDR2G). Both categories meet the electrical and mechanical requirements for direct substitution.

Parameter Comparison

Parameter	DS2003CM	ULQ2003AD	MC1413BDR2G	MC1413DR2G	NCV1413BDR2G	ULN2001D1013TR	ULN2002D1013TR	ULN2003ADR2G	ULN2003D1013TR	ULN2004D1013TR	ULQ2003ADR2G
Package / Case	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SO	16-SO	16-SOIC	16-SO	16-SO	16-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Number of Outputs	6	7	7	7	7	7	7	7	7	7	7
Output Configuration	-	Low Side	Low Side	Low Side	Low Side	Low Side	Low Side	Low Side	Low Side	Low Side	Low Side
Current - Output (Max)	-	500mA	500mA	500mA	500mA	500mA	500mA	500mA	500mA	500mA	500mA
Voltage - Load (Max)	-	50V	50V	50V	50V	50V	50V	50V	50V	50V	50V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	150°C (TJ)	150°C (TJ)	150°C (TJ)	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Last Time Buy	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For RoHS3 Compliance Requirements: All substitute parts listed are ROHS3 compliant, providing regulatory advantage over the obsolete DS2003CM which is RoHS non-compliant. Selection should prioritize parts with active product status for long-term availability.

For Active Production Status: MC1413BDR2G, MC1413DR2G, NCV1413BDR2G, ULN2001D1013TR, ULN2002D1013TR, ULN2003ADR2G, ULN2003D1013TR, ULN2004D1013TR, and ULQ2003ADR2G all maintain active product status, ensuring continued supply and support.

For Automotive Applications: NCV1413BDR2G is designated for automotive grade applications, providing enhanced reliability for temperature cycling and environmental stress conditions.

For Extended Temperature Range: ULQ2003AD, ULN2001D1013TR, ULN2002D1013TR, ULN2003D1013TR, and ULN2004D1013TR support the full -40°C to 85°C operating range matching the original specification. ULN2003ADR2G operates to -40°C to 70°C, which may be limiting for some applications.

For Package Consistency: ULQ2003AD, MC1413BDR2G, MC1413DR2G, NCV1413BDR2G, ULN2003ADR2G, and ULQ2003ADR2G use 16-SOIC packaging identical to the original. ULN2001D1013TR, ULN2002D1013TR, ULN2003D1013TR, and ULN2004D1013TR use 16-SO packaging, which is mechanically compatible but may require PCB layout verification.

Frequently Asked Questions (FAQ)

Q: Can I directly replace DS2003CM with any of these substitute parts?

A: Direct replacement depends on your specific application requirements. All listed parts share the 16-SOIC/16-SO package form factor and 500mA output current rating. However, verify your circuit design accommodates the 7-output configuration of most substitutes versus the original 6-output design. Electrical signal compatibility must be confirmed through schematic review.

Q: What is the difference between 16-SOIC and 16-SO packaging?

A: Both are surface mount packages with identical pin pitch and electrical compatibility. The primary difference is mechanical: 16-SOIC (Small Outline Integrated Circuit) and 16-SO (Small Outline) are functionally equivalent for PCB mounting. Footprint dimensions are identical at 0.154" (3.90mm) width.

Q: Why do some substitutes have 7 outputs instead of 6?

A: The DS2003CM specification lists 6/0 drivers/receivers. Most substitute parts provide 7-output configurations. This additional output does not prevent substitution; unused outputs can remain unconnected in your circuit design.

Q: Which substitute offers the best long-term availability?

A: ULN2003D1013TR (STMicroelectronics) and ULN2003ADR2G (onsemi) both maintain active product status with substantial inventory levels (1,787,200 and 605,400 units respectively) and support the full -40°C to 85°C temperature range.

Q: Is the automotive-grade NCV1413BDR2G suitable for non-automotive applications?

A: Yes. Automotive-grade components meet or exceed standard industrial specifications. NCV1413BDR2G can be used in non-automotive designs and provides enhanced reliability margins due to stricter qualification standards.

Q: What compliance advantage do these substitutes offer over DS2003CM?

A: All substitute parts are ROHS3 compliant, whereas DS2003CM is RoHS non-compliant. This is critical for designs targeting EU markets or customers with RoHS compliance mandates. All substitutes also maintain REACH unaffected status.

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