STP08CDC596B1 LED Driver IC Equivalent & Substitute Parts

Part Overview

The STP08CDC596B1 is an 8-output linear LED driver IC manufactured by STMicroelectronics, designed for signage applications requiring shift register-based dimming control. This device operates with a supply voltage range of 3.3V to 5.5V and delivers 120mA per output channel across 16 pins in a through-hole DIP package.

The STP08CDC596B1 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production requirements for legacy systems or new designs requiring compatible functionality.

Substiute Parts

STP08CDC596B1

STMicroelectronicsIn Stock: 1262STP08CDC596B1 Datasheet

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LV5212VH-TLM-H

onsemiIn Stock: 719LV5212VH-TLM-H Datasheet

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TLC5916IDR

Texas InstrumentsIn Stock: 16908TLC5916IDR Datasheet

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TLC5916IPWR

Texas InstrumentsIn Stock: 32896TLC5916IPWR Datasheet

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TLC5917IPW

Texas InstrumentsIn Stock: 3715TLC5917IPW Datasheet

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TLC5917IPWR

Texas InstrumentsIn Stock: 20803TLC5917IPWR Datasheet

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TLC5917QDRQ1

Texas InstrumentsIn Stock: 2320TLC5917QDRQ1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the STP08CDC596B1 is determined by the following critical parameters:

Core Functional Requirements:

• Topology: Shift Register
• Number of Outputs: 8
• Internal Switches: Yes
• Type: Linear
• Current - Output / Channel: 120mA
• Voltage - Supply Range: 3V to 5.5V (minimum overlap)
• Operating Temperature: -40°C to 125°C (preferred for industrial applications)

Acceptable Variations:

• Output voltage rating may exceed the original specification
• Frequency may differ if shift register operation is maintained
• Mounting type may change (through-hole to surface-mount) for active, in-stock alternatives
• Package form factor may vary while maintaining electrical compatibility

Substitution Categories:

Category 1: Direct Functional Equivalents (Same Current Rating, Active Status) Parts maintaining 120mA output current with active product status and industrial temperature range (-40°C to 125°C). These include Texas Instruments TLC5916 and TLC5917 series devices in various packages.

Category 2: Enhanced Performance Alternatives (Higher Current Rating) Parts with increased output current capability (300mA) suitable for applications requiring higher LED drive current. The onsemi LV5212VH-TLM-H operates at 300mA per channel with extended output voltage rating.

Category 3: Automotive Grade Options The TLC5917QDRQ1 provides automotive qualification (AEC-Q100) for applications requiring automotive-grade components.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement):

The Texas Instruments TLC5916IDR, TLC5916IPWR, TLC5917IPW, and TLC5917IPWR are the preferred substitutes for the STP08CDC596B1. These devices maintain identical output current specifications (120mA per channel), operate across the same supply voltage range (3V to 5.5V), and support the full industrial operating temperature range (-40°C to 125°C). All are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original part's environmental specifications. These parts are currently in active production status with substantial inventory availability.

The primary distinction among these Texas Instruments alternatives is packaging: TLC5916IDR and TLC5917QDRQ1 use 16-SOIC packages, while TLC5916IPWR, TLC5917IPW, and TLC5917IPWR use 16-TSSOP packages. All are surface-mount devices, requiring PCB layout modifications from the original through-hole DIP configuration.

Automotive Grade Option:

The TLC5917QDRQ1 is qualified to AEC-Q100 automotive standards and is suitable for applications requiring automotive-grade components. This part maintains all electrical specifications of the standard TLC5917 series while providing automotive qualification.

Enhanced Performance Alternative:

The onsemi LV5212VH-TLM-H provides increased output current capability (300mA per channel) and extended output voltage rating (50V), making it suitable for applications requiring higher LED drive current. This device operates across the same supply voltage range but has a reduced operating temperature range (-25°C to 75°C) and MSL rating of 3 (168 Hours), which may limit suitability for certain industrial or high-reliability applications.

Compliance and Regulatory Status:

All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original STP08CDC596B1. All parts are classified under HTSUS code 8542.39.0001 and ECCN EAR99.

Frequently Asked Questions (FAQ)

Q: Can the TLC5916 and TLC5917 series be used interchangeably with the STP08CDC596B1?

A: The TLC5916 and TLC5917 series devices are functionally equivalent to the STP08CDC596B1 in terms of output current (120mA), supply voltage range (3V to 5.5V), and operating temperature range (-40°C to 125°C). However, these are surface-mount devices, whereas the original part is through-hole mounted. PCB redesign is required for implementation.

Q: What is the difference between TLC5916 and TLC5917 devices?

A: Both TLC5916 and TLC5917 are 8-output linear LED driver ICs with identical electrical specifications. The primary differences are in available package options and specific part variants. Both are suitable substitutes for the STP08CDC596B1.

Q: Why is the LV5212VH-TLM-H listed as a substitute if it has higher current output?

A: The LV5212VH-TLM-H is listed as an enhanced performance alternative for applications where higher LED drive current (300mA per channel) is beneficial. However, its reduced operating temperature range (-25°C to 75°C) and higher MSL rating (3) may limit suitability for industrial or high-reliability applications. This part is appropriate only when the application requirements align with its specifications.

Q: Are all substitute parts RoHS compliant?

A: Yes, all substitute parts listed are ROHS3 compliant, matching the regulatory status of the original STP08CDC596B1.

Q: What is the impact of changing from through-hole (DIP) to surface-mount (SOIC/TSSOP) packaging?

A: Changing from 16-DIP through-hole to surface-mount packages (16-SOIC or 16-TSSOP) requires PCB redesign, including footprint changes, trace routing modifications, and potential changes to assembly processes. The electrical functionality remains equivalent.

Q: Does the TLC5917QDRQ1 automotive qualification affect its use in non-automotive applications?

A: No, the TLC5917QDRQ1 maintains all standard electrical specifications and can be used in non-automotive applications. Automotive qualification (AEC-Q100) indicates additional testing and quality assurance but does not restrict use in other applications.

Q: What is the significance of MSL (Moisture Sensitivity Level) rating differences?

A: MSL rating indicates the maximum time a component can be exposed to moisture before soldering. MSL 1 (Unlimited) allows indefinite storage without moisture control, while MSL 3 (168 Hours) requires moisture control and limits storage time. The original STP08CDC596B1 and most Texas Instruments substitutes have MSL 1, while the LV5212VH-TLM-H has MSL 3, requiring more stringent handling procedures.

Q: Can the output voltage rating difference (16V original vs. 20V substitute) affect circuit operation?

A: The output voltage rating indicates the maximum voltage the device can withstand at its outputs. A higher rating (20V vs. 16V) provides additional safety margin and does not negatively affect circuit operation. The actual output voltage is determined by the LED load and circuit design, not the device rating.

Q: Is the frequency difference (25MHz original vs. 30MHz substitute) significant?

A: The frequency specification indicates the maximum shift register clock frequency. The higher frequency of substitute parts (30MHz vs. 25MHz) provides additional operational margin and does not negatively affect circuit operation. Actual clock frequency is determined by system design requirements.