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Alternatives to NXP USA Inc. MC33879BPEK

NXP USA Inc. MC33879BPEK and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.

Equivalent and substitute parts for NXP USA Inc. MC33879BPEK

MC33879BPEK compared against its qualified second sources
MC33879BPEKNXP USA Inc.DRV8908QPWPRQ1Texas InstrumentsL99MC6STMicroelectronics
FFF CompatibilityThe HTSSOP-24 package is physically smaller with fewer pins (24 vs 32), necessitating a complete land pattern redesign.Both are SMD packages featuring a thermal pad for dissipation, but they differ in dimensions and pin-out configurations.Provides the same 8-channel configurable high-side/low-side driver capability with modern digital diagnostics and protective features.The PowerSSO-16 package has a different pin count and layout, requiring a board layout modification.Both are SMD power packages utilizing an exposed pad, but their physical footprints differ.Integrates 6 configurable high-side/low-side channels instead of 8, and has a lower continuous current capability of 600mA per channel.
AI Summary

MC33879BPEK by NXP USA Inc.: Power Switch/Driver 1:1 N-Channel 1.2A 32-SOIC-EP.

The DRV8908QPWPRQ1 is a highly capable 8-channel half-bridge driver from Texas Instruments that easily configures into independent high-side or low-side switches. It provides highly reliable modern diagnostics and advanced PWM capabilities, though it requires a board redesign.

  • 8 independent half-bridges configurable as high-side or low-side switches via SPI
  • Active part with modern, advanced diagnostics and open-load detection (OLD) features
  • 1.0A continuous current per channel matches the target's operating needs
  • Footprint redesign is necessary to transition from HSOP-32 to HTSSOP-24.
  • Half-bridge architecture requires software register configuration to match the exact high-side or low-side behavior of the target.

The L99MC6 serves as a compact, cost-optimized alternative when only up to 6 configurable output channels are required. It shares a similar per-channel on-resistance and is highly reliable for medium-power driving needs, though it lacks 2 channels compared to the target.

  • Highly cost-effective and readily available solution
  • Integrates 6 highly flexible high-side/low-side channels in a compact footprint
  • Same typical 0.7 ohm RDS(ON) performance for efficient operation
  • Fewer channels (6 vs 8) and lower maximum per-channel output current (600mA vs 1.2A).
  • Requires a board layout change to the PowerSSO-16 footprint.
Lifecycle StatusLast time buyActiveObsolete
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