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SI3493BDV-T1-GE3 +BOM

P-Channel 20 V 8A (Tc) 2.08W (Ta), 2.97W (Tc) Surface Mount 6-TSOP

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SI3493BDV-T1-GE3 General Description

P-Channel 20 V 8A (Tc) 2.08W (Ta), 2.97W (Tc) Surface Mount 6-TSOP

Key Features

  • Quad-Port Power Sourcing Equipment (PSE) controller
  • IEEE 802.3at Type I and II compliant
  • Port priority shutdown control
  • Adds enhanced features for maximum design flexibility:
  •  Per-port current and voltage monitoring
  •  PoE Plus support with programmable current limits
  •  Multi-point detection
  •  Programmable power MOSFET gate drive control
  •  Configurable watchdog timer enables failsafe operation
  • Maskable interrupt pin
  • Comprehensive fault protection circuitry includes:
  •  Power undervoltage lockout
  •  Output current limit and short circuit protection
  •  Thermal overload detection
  • Supports pin-selectable AUTO mode
  • Extended operating temp range: –40 to +85 °C
  • 5x7 mm 38-pin QFN package (RoHS-compliant)
  • On-chip dc-dc converter enables single-rail power operation

Application

Load Switch |PA Switch |Battery Switch

Specifications

Series TrenchFET® FET Type P-Channel
Technology MOSFET (Metal Oxide) Drain to Source Voltage (Vdss) 20 V
Current - Continuous Drain (Id) @ 25°C 8A (Tc) Drive Voltage (Max Rds On, Min Rds On) 1.8V, 4.5V
Rds On (Max) @ Id, Vgs 27.5mOhm @ 7A, 4.5V Vgs(th) (Max) @ Id 900mV @ 250µA
Gate Charge (Qg) (Max) @ Vgs 43.5 nC @ 5 V Vgs (Max) ±8V
Input Capacitance (Ciss) (Max) @ Vds 1805 pF @ 10 V Power Dissipation (Max) 2.08W (Ta), 2.97W (Tc)
Operating Temperature -55°C ~ 150°C (TJ) Mounting Type Surface Mount
Base Product Number SI3493

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