All Alternatives

Alternatives to Texas Instruments DRV8818PWP

Texas Instruments DRV8818PWP 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 Texas Instruments DRV8818PWP

DRV8818PWP compared against its qualified second sources
DRV8818PWPTexas InstrumentsDRV8818PWPRTexas InstrumentsA5979GLPTR-TAllegro MicroSystems+1more
FFF CompatibilityExactly identical pinout, package, and land pattern. It is the tape-and-reel packaging sibling of the obsolete tube-packaged target part.Exactly identical HTSSOP-28 (PWP) package physical dimensions (9.7mm x 6.4mm).Identical internal silicon and functional parameters.Pin placement and package are extremely close, but minor external circuit adjustments are required for pins such as PFD (mixed decay setting) and VREG (regulator decoupling).Standard TSSOP-28-EP physical dimensions match the target part's footprint dimensions.Performs identical bipolar stepper motor driver operations with a logic interface.
AI Summary

DRV8818PWP by Texas Instruments: Bipolar Motor Driver Power MOSFET Logic 28-HTSSOP.

This is the active tape-and-reel packaged version of the obsolete tube-packaged target part. It is a 100% direct drop-in replacement with no circuit or layout adjustments required.

  • True direct drop-in replacement part from the same manufacturer
  • Identical electrical specifications: 35V maximum, 2.5A peak current, and 1/8 microstepping
  • No circuit or layout modification required

This alternative from Allegro MicroSystems offers an upgrade in microstepping resolution to 1/16 step while maintaining a highly similar pinout structure in the same TSSOP-28 package. It is an excellent choice to diversify supply sources and improve motor movement smoothness.

  • Active second-source part from a different manufacturer to secure supply longevity
  • Enhanced microstepping resolution up to 1/16 step compared to the DRV8818's 1/8 step limit
  • Higher operating load voltage up to 40V and peak current rating up to 2.8A
  • Requires minor passive component adjustments around charge pump and decay tuning pins
  • Higher RDS(ON) of 500mΩ (vs 370mΩ on DRV8818) leads to increased power dissipation and thermal management needs
Lifecycle StatusObsoleteActiveActive
Market AvailabilityIn stockIn stockIn stock
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