DS3680M Equivalent & Substitute Parts

Part Overview

The DS3680M is a power management integrated circuit (PMIC) manufactured by Texas Instruments, classified as a Power Switch/Driver with 1:1 bipolar output configuration. The device is designed for relay and solenoid driver applications with 4 outputs, rated for 50mA maximum output current, and operates across a load voltage range of -10V to -60V. The DS3680M is currently listed as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

DS3680M

Texas InstrumentsIn Stock: 1939DS3680M Datasheet

Current PartRFQ

DS3680D

Texas InstrumentsIn Stock: 1749DS3680D Datasheet

DirectRFQ

ADV7623BSTZ-P

Analog Devices Inc.In Stock: 1491ADV7623BSTZ-P Datasheet

MFR RecommendedRFQ

PTN3460IBS/F1MP

NXP USA Inc.In Stock: 6426PTN3460IBS/F1MP Datasheet

MFR RecommendedRFQ

PTN3460IBS/F2MP

NXP USA Inc.In Stock: 1254PTN3460IBS/F2MP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution analysis for the DS3680M is constrained by the specific combination of electrical and mechanical parameters that define its functional role. The critical substitution criteria are:

Primary Constraint Parameters:

• Package format: 14-SOIC (0.154", 3.90mm Width)
• Output configuration: High side, bipolar, 4-output topology
• Switch application: Relay and solenoid driver functionality
• Load voltage range: -10V to -60V negative supply operation
• Output current rating: 50mA maximum
• Input interface: Differential signaling

The substitute parts identified (DS3680D, PTN3460IBS/F1MP, PTN3460IBS/F2MP, ADV7623BSTZ-P) share the 14-SOIC package footprint and surface mount mounting type with the DS3680M. However, these alternatives represent different functional categories (telecom interface, LVDS interface, HDMI interface) and do not maintain identical electrical specifications for load voltage, output current, or bipolar driver configuration. Substitution feasibility depends on application-specific requirements and system-level compatibility assessment.

Parameter Comparison

Engineering Selection Recommendations

DS3680D (Texas Instruments): Active product status with identical 14-SOIC package footprint and base product number alignment. ROHS3 compliant with MSL 1 rating. Operating temperature range reduced to 0°C ~ 70°C compared to DS3680M specification. Suitable for applications within the narrower temperature window.

PTN3460IBS/F1MP and PTN3460IBS/F2MP (NXP USA Inc.): Active products with LVDS interface specialization. Package format differs (56-HVQFN vs. 14-SOIC), requiring PCB layout redesign. ROHS3 compliant with MSL 3 rating (168 hours). Voltage supply specification 3.3V differs from DS3680M load voltage range. Substitution requires system-level electrical compatibility assessment.

ADV7623BSTZ-P (Analog Devices Inc.): Active product with HDMI interface specialization. Significantly different package format (144-LQFP 20x20) and functional category. ROHS3 compliant with MSL 3 rating. Not recommended as direct substitute due to package incompatibility and functional divergence.

Frequently Asked Questions (FAQ)

Q: Can DS3680D directly replace DS3680M in existing designs?

A: DS3680D shares the 14-SOIC package footprint and base product number with DS3680M, enabling PCB-level compatibility. However, the operating temperature range is reduced (0°C ~ 70°C vs. -25°C ~ 85°C). Substitution is feasible only if application requirements fall within the narrower temperature specification.

Q: What is the significance of the 14-SOIC package format for substitution?

A: The 14-SOIC package defines the physical footprint and pin configuration. Only substitute parts with identical 14-SOIC packaging can be directly mounted on existing PCBs without layout modification. PTN3460 and ADV7623 variants use different packages (56-HVQFN and 144-LQFP respectively), requiring complete PCB redesign.

Q: How do MSL ratings affect component substitution?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to specified humidity conditions before soldering. DS3680M and DS3680D have MSL 1 (unlimited exposure), while substitute parts have MSL 3 (168-hour limit). Higher MSL ratings require stricter moisture control during storage and assembly.

Q: Are the NXP PTN3460 variants functionally equivalent to DS3680M?

A: PTN3460IBS/F1MP and PTN3460IBS/F2MP are LVDS interface ICs with different functional purpose, package format, and electrical specifications compared to DS3680M. These are not direct functional equivalents and require application-specific compatibility analysis.

Q: What compliance certifications are maintained across substitute parts?

A: All identified substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with DS3680M specifications. ECCN and HTSUS classifications remain identical across all parts.