LP5012PWR LED Driver IC Equivalent & Substitute Parts

Part Overview

The LP5012PWR is an active, production-status LED driver IC manufactured by Texas Instruments, designed for linear constant current applications with 12 independent outputs. This device operates across a 2.7V to 5.5V supply range and delivers 35mA per channel with integrated analog and PWM dimming capabilities. The LP5012PWR is packaged in a 24-TSSOP surface mount configuration and is ROHS3 compliant with MSL 2 moisture sensitivity rating.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory constraints occur, or specific application parameters require different output configurations or electrical characteristics.

Substiute Parts

LP5012PWR

Texas InstrumentsIn Stock: 20966LP5012PWR Datasheet

Current PartRFQ

LP5009PWR

Texas InstrumentsIn Stock: 4937LP5009PWR Datasheet

Parametric EquivalentRFQ

BD18378EFV-ME2

Rohm SemiconductorIn Stock: 20430BD18378EFV-ME2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LP5012PWR are classified into two categories based on parametric alignment and application compatibility:

Parametric Equivalent (LP5009PWR): This substitute maintains identical electrical specifications including supply voltage range (2.7V to 5.5V), output current per channel (35mA), operating frequency (29kHz), dimming modes (Analog and PWM), package type (24-TSSOP), and temperature range (-40°C to 85°C). The primary difference is the number of outputs: 9 outputs versus 12 outputs on the main part. This substitute is suitable for applications requiring fewer LED channels while maintaining all other performance characteristics.

Similar Substitute (BD18378EFV-ME2): This substitute shares the 12-output configuration and linear topology but introduces significant parametric differences. Key distinctions include: shift register topology versus constant current, 50mA per channel versus 35mA, 28-HTSSOP package versus 24-TSSOP, PWM-only dimming versus analog and PWM, 1.25MHz frequency versus 29kHz, and automotive-grade qualification (AEC-Q100). The BD18378EFV-ME2 carries a "Not For New Designs" product status. This substitute is applicable only when higher output current and automotive qualification are required, with acceptance of package and topology differences.

Parameter Comparison

Engineering Selection Recommendations

LP5009PWR Selection Criteria: The LP5009PWR is the preferred parametric equivalent for applications where 9 LED outputs satisfy the design requirement. This substitute maintains full compatibility with the LP5012PWR across all critical electrical parameters: identical supply voltage range, output current, dimming modes, operating frequency, and temperature range. Both devices share the same 24-TSSOP package footprint and identical MSL 2 moisture sensitivity rating. The LP5009PWR is an active product with ROHS3 compliance, making it suitable for new designs. Selection of this substitute requires only verification that the application circuit design accommodates the reduced output channel count.

BD18378EFV-ME2 Selection Criteria: The BD18378EFV-ME2 is applicable only when the following conditions are met: (1) the application requires 50mA per channel output current, (2) the design can accommodate shift register topology and PWM-only dimming control, (3) the application operates within the -40°C to 105°C temperature range, and (4) automotive-grade qualification (AEC-Q100) is a mandatory requirement. The higher MSL 3 moisture sensitivity level (168 hours) requires stricter handling and storage protocols compared to the LP5012PWR. The "Not For New Designs" product status indicates this substitute is restricted to legacy system maintenance or automotive applications with established qualification requirements. The 28-HTSSOP-B package differs from the 24-TSSOP footprint and requires PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can the LP5009PWR directly replace the LP5012PWR in an existing design?

A: The LP5009PWR is a direct pin-compatible substitute in the 24-TSSOP package with identical electrical performance across all parameters except output channel count. If the circuit design uses only 9 of the 12 available LED outputs, the LP5009PWR functions as a complete replacement without modification. If all 12 outputs are utilized, the LP5009PWR cannot be substituted without circuit redesign.

Q: What are the key differences between the LP5012PWR and BD18378EFV-ME2?

A: The BD18378EFV-ME2 differs in five critical areas: (1) topology is shift register instead of constant current, (2) output current is 50mA per channel instead of 35mA, (3) dimming is PWM-only instead of analog and PWM, (4) package is 28-HTSSOP-B instead of 24-TSSOP, and (5) product status is "Not For New Designs." These differences require complete circuit redesign and are not suitable for direct substitution in existing LP5012PWR applications.

Q: Is the BD18378EFV-ME2 suitable for new product designs?

A: No. The BD18378EFV-ME2 carries a "Not For New Designs" product status, indicating it is restricted to legacy system support and maintenance applications only. New designs must use the LP5012PWR or LP5009PWR.

Q: What is the impact of the different moisture sensitivity levels between LP5012PWR and BD18378EFV-ME2?

A: The LP5012PWR has MSL 2 (1 Year floor life), while the BD18378EFV-ME2 has MSL 3 (168 hours floor life). MSL 3 components require more stringent moisture control during storage, handling, and assembly. Components with MSL 3 must be baked before reflow soldering if floor life is exceeded, adding manufacturing complexity and cost.

Q: Are all three parts ROHS3 compliant?

A: Yes. The LP5012PWR, LP5009PWR, and BD18378EFV-ME2 are all ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Can the LP5012PWR and LP5009PWR be used interchangeably in terms of package handling?

A: Yes. Both devices use the 24-TSSOP package with identical MSL 2 moisture sensitivity rating and 1-year floor life. Handling, storage, and assembly procedures are identical between these two parts.

Q: What supply voltage range is supported by all three substitute options?

A: The LP5012PWR and LP5009PWR both support 2.7V to 5.5V. The BD18378EFV-ME2 supports 3V to 5.5V, with a higher minimum supply voltage of 3V. Applications operating below 3V cannot use the BD18378EFV-ME2.