STP16CPC05PTR LED Driver IC Equivalent & Substitute Parts

Part Overview

The STP16CPC05PTR is a linear LED driver IC manufactured by STMicroelectronics, featuring 16 output channels with shift register topology and 100mA per-channel current capability. The device operates across a 3V to 5.5V supply voltage range and is housed in a 24-QSOP surface mount package. This part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements.

Substiute Parts

STP16CPC05PTR

STMicroelectronicsIn Stock: 20445STP16CPC05PTR Datasheet

Current PartRFQ

STP16CPC05MTR

STMicroelectronicsIn Stock: 3347STP16CPC05MTR Datasheet

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STP16DP05PTR

STMicroelectronicsIn Stock: 3799STP16DP05PTR Datasheet

Parametric EquivalentRFQ

TLC5924RHBT

Texas InstrumentsIn Stock: 5373TLC5924RHBT Datasheet

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TLC5926QPWPRQ1

Texas InstrumentsIn Stock: 14136TLC5926QPWPRQ1 Datasheet

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TLC59283DBQR

Texas InstrumentsIn Stock: 35443TLC59283DBQR Datasheet

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TLC5944PWP

Texas InstrumentsIn Stock: 1049TLC5944PWP Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the STP16CPC05PTR is determined by the following critical parameters: number of output channels (16), shift register topology, linear driver type, supply voltage range (3V to 5.5V), and surface mount packaging. Substitute parts are grouped into two categories based on substitution relationship:

Direct Substitutes (Same Base Product Family): Parts sharing the STP16CPC05 base product number with identical electrical specifications but different packaging formats or product status.

Parametric Equivalents (Functional Alternatives): Parts from alternative manufacturers (Texas Instruments) with 16 output channels, shift register topology, and compatible supply voltage ranges, though with variations in per-channel current capacity, output voltage rating, operating temperature range, or package type.

Substitution eligibility is determined by: (1) matching 16-channel output configuration, (2) shift register topology, (3) linear driver architecture, (4) 3V to 5.5V supply voltage compatibility, and (5) surface mount packaging format.

Parameter Comparison

Engineering Selection Recommendations

STP16CPC05MTR is the primary direct substitute for the obsolete STP16CPC05PTR. Both parts share identical electrical specifications (16 outputs, 100mA per channel, 3V to 5.5V supply, 20V output voltage, 30MHz frequency, -40°C to 125°C operating range) and ROHS3 compliance. The STP16CPC05MTR differs only in packaging format (24-SOIC versus 24-QSOP) and product status (Active). This part is suitable for direct replacement in applications where the 24-SOIC footprint is acceptable.

STP16DP05PTR is an active parametric equivalent within the STMicroelectronics product family, offering identical electrical specifications and the same 24-QSOP package as the original part. The primary distinction is the MSL rating (3 versus 1), indicating different moisture sensitivity handling requirements. This part provides continuity with the original package footprint.

TLC5926QPWPRQ1 (Texas Instruments) is an active substitute with 16 outputs, shift register topology, and compatible 3V to 5.5V supply voltage. This part features higher per-channel current (120mA versus 100mA) and includes AEC-Q100 automotive qualification. The operating temperature range is reduced to -40°C to 85°C, and the package is 24-PowerTSSOP. This part is suitable for applications requiring automotive-grade components.

TLC59283DBQR (Texas Instruments) is an active substitute with 16 outputs and shift register topology in a 24-SSOP package matching the original footprint. This part features lower per-channel current (45mA versus 100mA) and reduced output voltage (10V versus 20V), making it suitable only for applications with lower current and voltage requirements.

TLC5944PWP (Texas Instruments) is an active substitute with 16 outputs and shift register topology. This part features 60mA per-channel current and variable output voltage range (3V to 15V). The 28-PowerTSSOP package differs from the original, requiring PCB layout modification.

TLC5924RHBT (Texas Instruments) is classified as Last Time Buy status. This part features 16 outputs and shift register topology with 80mA per-channel current in a 32-VFQFN package. The reduced operating temperature range (-40°C to 85°C) and different package format limit applicability.

Selection should prioritize active product status parts. For applications requiring the original 24-QSOP footprint and full -40°C to 125°C temperature range, STP16DP05PTR is recommended. For applications accepting alternative packages, TLC5926QPWPRQ1 offers automotive qualification and higher current capability.

Frequently Asked Questions (FAQ)

Q: Can STP16CPC05MTR directly replace STP16CPC05PTR in existing designs?

A: STP16CPC05MTR is electrically identical to STP16CPC05PTR across all functional parameters. The primary difference is packaging format: STP16CPC05MTR uses 24-SOIC (0.295" width) while STP16CPC05PTR uses 24-QSOP (0.154" width). Direct replacement requires PCB footprint compatibility verification. If the PCB is designed for 24-QSOP, STP16CPC05MTR cannot be used without layout modification.

Q: What is the difference between STP16CPC05PTR and STP16DP05PTR?

A: Both parts share identical electrical specifications and the same 24-QSOP package. The distinction is MSL rating: STP16CPC05PTR has MSL 1 (Unlimited moisture sensitivity), while STP16DP05PTR has MSL 3 (168 Hours). MSL rating affects storage and handling requirements. STP16DP05PTR is the active product and is recommended for new designs.

Q: Can Texas Instruments parts substitute for STMicroelectronics parts?

A: Texas Instruments LED driver ICs (TLC5924RHBT, TLC5926QPWPRQ1, TLC59283DBQR, TLC5944PWP) are parametric equivalents with 16-channel shift register topology and compatible 3V to 5.5V supply voltage. However, per-channel current capacity, output voltage rating, operating temperature range, and package format vary. Substitution is application-dependent and requires verification that the specific electrical parameters meet design requirements.

Q: Which substitute part maintains the original operating temperature range of -40°C to 125°C?

A: Only STMicroelectronics parts (STP16CPC05MTR and STP16DP05PTR) maintain the full -40°C to 125°C operating temperature range. All Texas Instruments alternatives are rated to -40°C to 85°C maximum. Applications requiring extended high-temperature operation must use STMicroelectronics parts.

Q: What is the significance of the 24-QSOP package in the original design?

A: The 24-QSOP package (0.154" width, 3.90mm) is a narrow-body surface mount package. STP16CPC05MTR uses the wider 24-SOIC package (0.295" width, 7.50mm), and Texas Instruments alternatives use various packages (24-PowerTSSOP, 24-SSOP, 28-PowerTSSOP, 32-VFQFN). Package selection affects PCB layout, thermal performance, and assembly compatibility. Footprint verification is mandatory before substitution.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant, matching the compliance status of the original STP16CPC05PTR.

Q: What does "Last Time Buy" status mean for TLC5924RHBT?

A: Last Time Buy status indicates that Texas Instruments has announced end-of-life for this product. While currently available, no further production is planned after the Last Time Buy date. This part should not be selected for new long-term production designs. Active alternatives are preferred.

Q: How does per-channel current capacity affect substitution?

A: Per-channel current capacity determines the maximum LED current each output can drive. STP16CPC05PTR provides 100mA per channel. Substitutes range from 45mA (TLC59283DBQR) to 120mA (TLC5926QPWPRQ1). A substitute with lower current capacity cannot drive the same LED load. A substitute with higher current capacity can drive the original load but may introduce thermal or power dissipation considerations.

Q: What is the impact of output voltage rating differences?

A: Output voltage rating specifies the maximum voltage the driver can withstand at its outputs. STP16CPC05PTR is rated to 20V output. Substitutes range from 10V (TLC59283DBQR) to 20V (STP16CPC05MTR, STP16DP05PTR). A substitute with lower output voltage rating cannot be used in circuits where output voltage exceeds its rating. This is a hard constraint for substitution.

Q: Can TLC59283DBQR substitute for STP16CPC05PTR in all applications?

A: No. While TLC59283DBQR shares the 16-channel shift register topology and 24-SSOP package footprint, it has significantly reduced per-channel current (45mA versus 100mA) and output voltage (10V versus 20V). Substitution is limited to applications with lower current and voltage requirements. The higher frequency (35MHz versus 30MHz) is not a limiting factor.