LC75827W-E Equivalent & Substitute Parts

Part Overview

The LC75827W-E is an LCD driver IC manufactured by onsemi, designed for segment LCD display applications. This device features a 153/200 segment configuration with serial interface capability, operating across a 2.7V to 6V supply voltage range. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

LC75827W-E

onsemiIn Stock: 2636LC75827W-E Datasheet

Current PartRFQ

BU91510KV-ME2

Rohm SemiconductorIn Stock: 2016BU91510KV-ME2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for LCD driver ICs is determined by the following critical parameters:

Electrical Compatibility:

• Supply voltage range must encompass or match the original specification (2.7V ~ 6V)
• Serial interface requirement must be maintained
• Display type must be LCD

Mechanical Compatibility:

• Package type must be 64-LQFP to ensure PCB footprint compatibility
• Surface mount mounting type must be preserved

Operational Compatibility:

• Operating temperature range should support the application environment
• Segment configuration must be equal to or greater than the original (153/200 segments minimum)

The BU91510KV-ME2 meets these substitution criteria through matching supply voltage range (2.7V ~ 6V), identical package format (64-LQFP), serial interface configuration, and enhanced segment capacity (216 segments).

Parameter Comparison

Engineering Selection Recommendations

The BU91510KV-ME2 is qualified as a direct substitute for the obsolete LC75827W-E based on the following factors:

Electrical Alignment: Both devices operate within the identical 2.7V to 6V supply voltage range with serial interface configuration, ensuring seamless integration into existing power distribution and control architectures.

Package Compatibility: The 64-LQFP package format is identical, eliminating PCB redesign requirements and maintaining mechanical fit within existing assemblies.

Functional Enhancement: The BU91510KV-ME2 provides 216 segment capacity compared to the LC75827W-E's 153/200 segment configuration, offering design flexibility for future display expansion without component substitution.

Compliance Status: Both devices maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements. The BU91510KV-ME2 includes AEC-Q100 automotive qualification, providing additional reliability assurance for demanding applications.

Production Continuity: The BU91510KV-ME2 is in active production status with documented inventory availability, ensuring long-term supply chain stability compared to the obsolete LC75827W-E.

Frequently Asked Questions (FAQ)

Q: Can the BU91510KV-ME2 directly replace the LC75827W-E without PCB modifications?

A: Yes. Both devices use the 64-LQFP package format with identical pinout compatibility for LCD driver applications. No PCB layout changes are required.

Q: What is the significance of the higher segment count (216 vs. 153/200) in the substitute?

A: The BU91510KV-ME2's 216 segment capacity exceeds the original specification, allowing it to drive equivalent or larger display configurations. This represents a functional superset, not a limitation.

Q: Are there differences in power consumption between these devices?

A: The BU91510KV-ME2 operates at 95 µA supply current compared to the LC75827W-E's 250 µA, representing a 62% reduction in quiescent current draw. This improvement benefits battery-powered and low-power applications.

Q: Does the extended operating temperature range of the BU91510KV-ME2 (-40°C to 105°C vs. -40°C to 85°C) affect compatibility?

A: No. The extended range is a performance enhancement that maintains full compatibility with applications designed for the original -40°C to 85°C specification.

Q: What packaging format is the BU91510KV-ME2 supplied in?

A: The BU91510KV-ME2 is supplied in Tape & Reel (TR) format, standard for high-volume surface mount assembly operations.

Q: Are both devices RoHS compliant?

A: Yes. Both the LC75827W-E and BU91510KV-ME2 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.