LP5868RKPR Equivalent & Substitute Parts

Part Overview

The LP5868RKPR is an active, production-status LED driver IC manufactured by Texas Instruments. This linear constant current device provides 18 independent output channels, each capable of delivering 50mA output current with integrated PWM and analog dimming control. The device operates across a 2.7V to 5.5V supply voltage range and is packaged in a 40-pin VQFN surface mount configuration with exposed pad thermal management.

Substitute parts are identified when equivalent electrical performance, output configuration, and mechanical compatibility are maintained across the specified parameter set. The LP5866RKPR serves as a parametric equivalent within the Texas Instruments LED driver portfolio.

Substiute Parts

LP5868RKPR

Texas InstrumentsIn Stock: 2998LP5868RKPR Datasheet

Current PartRFQ

LP5866RKPR

Texas InstrumentsIn Stock: 7022LP5866RKPR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LP5868RKPR is determined by strict equivalence across the following critical parameters:

• Output Configuration: 18 independent constant current output channels
• Output Current Rating: 50mA per channel
• Supply Voltage Compatibility: 2.7V to 5.5V operating range
• Dimming Capability: Dual-mode support for analog and PWM dimming control
• Package Specification: 40-pin VQFN (5x5) with exposed pad
• Mounting Technology: Surface mount assembly compatibility
• Thermal and Environmental Ratings: -40°C to 85°C operating temperature
• Product Status: Active manufacturing status

The LP5866RKPR meets all specified equivalence criteria and maintains identical electrical and mechanical characteristics across these parameters.

Parameter Comparison

Engineering Selection Recommendations

Both the LP5868RKPR and LP5866RKPR are active production devices manufactured by Texas Instruments with identical electrical specifications and mechanical packaging. Selection between these parts is based on availability and supply chain requirements rather than functional differentiation.

The LP5868RKPR maintains 2922 pieces in current inventory stock. The LP5866RKPR maintains 6973 pieces in current inventory stock, providing greater availability for high-volume procurement scenarios.

Both devices carry identical compliance certifications: RoHS status not applicable, Moisture Sensitivity Level 1 (unlimited), ECCN EAR99, and HTSUS code 8542.39.0001.

For applications requiring immediate component availability or bulk quantity fulfillment, the LP5866RKPR offers superior stock position. For applications with established supply agreements or specific design documentation referencing the LP5868RKPR, the main part number remains the primary selection.

Frequently Asked Questions (FAQ)

Q: Can the LP5866RKPR be used as a direct replacement for the LP5868RKPR in existing designs?

A: Yes. The LP5866RKPR is a parametric equivalent with identical electrical performance, output configuration, supply voltage range, dimming control capability, operating frequency, package specification, and thermal rating. No design modifications are required for direct substitution.

Q: Are the pinout configurations identical between these two parts?

A: Both devices use the 40-pin VQFN (5x5) package with exposed pad. Pinout compatibility is maintained for direct board-level substitution.

Q: What is the difference between the LP5868RKPR and LP5866RKPR?

A: Based on the provided specifications, these devices are parametrically equivalent. No functional or electrical differences are documented across the specified parameter set.

Q: Can these parts be mixed in the same production batch?

A: Yes. Both devices are active production parts from Texas Instruments with identical specifications, compliance ratings, and environmental characteristics. Mixed usage is permissible from an engineering standpoint.

Q: What supply voltage range do these LED driver ICs support?

A: Both the LP5868RKPR and LP5866RKPR operate across a 2.7V to 5.5V supply voltage range, supporting applications from battery-powered to standard logic-level power supplies.

Q: How many independent LED channels does each device provide?

A: Both devices provide 18 independent constant current output channels, each rated for 50mA output current.

Q: What dimming control methods are supported?

A: Both devices support dual-mode dimming: analog dimming for continuous brightness adjustment and PWM (pulse-width modulation) dimming for digital brightness control.

Q: What is the operating temperature range for these devices?

A: Both devices operate across -40°C to 85°C ambient temperature range, suitable for industrial and commercial applications.

Q: Are these devices RoHS compliant?

A: RoHS status is not applicable for both devices. Refer to device-specific compliance documentation for regulatory requirements.

Q: What is the moisture sensitivity level for these components?

A: Both devices carry Moisture Sensitivity Level 1 (unlimited), indicating no moisture sensitivity restrictions for storage and handling.