All Alternatives

Alternatives to onsemi FDG901D

onsemi FDG901D 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 onsemi FDG901D

FDG901D compared against its qualified second sources
FDG901DonsemiTPS27081ADDCRTexas InstrumentsTPS22918DBVRTexas Instruments+2more
FFF CompatibilityUses a TSOT-23-6 package and requires external resistor/capacitor routing for slew rate control.The TSOT-23-6 package is larger than the original SC-70-5 footprint.Performs the exact high-side slew-rate-controlled power switching function with a 3A rating.Requires board redesign due to SOT-23-6 package and different pinout assignments.The physical SOT-23-6 package is larger than the original SC70-5 package.Replaces the combined function of the FDG901D and external MOSFET, utilizing an N-channel switch with an integrated charge pump to control the slew rate of high-side rails up to 5.5V.
AI Summary

FDG901D by onsemi: 1/0 Driver SC-70-5.

An active high-side load switch with adjustable rise time that integrates a power PMOS and NMOS driver. Slew rate is fully adjustable using external R and C components to limit inrush current.

  • Supports higher input/load voltages up to 8V and up to 3A current rating
  • Allows slew-rate control of the internal PMOS gate using an external resistor and capacitor network
  • Integrates both PMOS switch and NMOS driver in a compact package
  • Requires external resistors and capacitors to configure the slew rate, whereas the original FDG901D allowed pin-programmed slew rates.

An active, widely available 2A high-side load switch with adjustable rise time and quick output discharge (QOD). It utilizes an internal N-channel MOSFET and charge pump to provide robust high-side switching.

  • Supports up to 2A continuous switch current with very low on-resistance (53mOhm typical)
  • Provides adjustable quick output discharge (QOD) to control the turn-off fall time
  • Highly flexible slew rate adjustment using an external capacitor on the CT pin
  • Uses an N-channel pass FET with an internal charge pump instead of a P-channel switch, which slightly increases quiescent current.
Lifecycle StatusObsoleteActiveActive
Market AvailabilityDiscontinuedIn stockIn stock
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