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SQ24201FAAT

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Low Loss Power Distribution Switch with 1.57A Fixed Current Limit
Datasheet
SQ24201FAAT Low Loss Power Distribution Switch with 1.57A Fixed Current Limit Datasheet
Part number SQ24201FAAT
Vin (min) (V) 2.5
Vin (max) (V) 5.5
Vabs cont. (max) (V) 6
Iout (max) (A) 1.4
Protection mode OCP, OTP
Over current response Current limiting
Current limit (A) Adjustable
Fault response Auto-recovery
Ron (typ) (mΩ) 65
Certification recognition UL2367,IEC62368-1
Iq (typ) (uA) 45
Enable logic High
Soft start Fixed
Features Reverse blocking, OCP alert
Package SOT23-5
Operating temperature range(°C) -40 to 125
Functional safety category
  • Input Voltage: 2.5V to 5.5V
  • Extremely Low Power Path Resistance: 65mΩ(Typ.)
  • 1.57A±9% Current Limit Accuracy
  • Reverse Blocking (No Body Diode)
  • Fast Reverse Recovery
  • Fault Flag (OCB) Output for Over Current and Fault Conditions
  • At Shutdown, OUT Can Be Forced Higher than IN
  • Built-in Soft-start
  • RoHS Compliant and Halogen Free
  • Compact Package Minimizes the Board Space: SOT23-5

The SQ24201F is an ultra-low RDS(ON) power distribution switch with 1.57A fixed current limit to protect the power source from over current and short circuit conditions. It incorporates over temperature protection and reverse blocking function. The SQ24201F is available in a compact SOT23-5 package

Evaluation Board

  • 24201F-1

    Photo of evaluation board

  • 24201F-2

    Photo of evaluation board

  • 24201F-3

    Photo of evaluation board

EVB_SQ24201FAAT

The EVB_SQ24201FAAT is intended for evaluating 5.5V input, Low Loss Power Distribution Switch with 1.57A Fixed Current limit SQ24201FAAT.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12