Overvoltage Protection Switches

Overvoltage protection switches prevent external overvoltage (or undervoltage) peaks from damaging circuitry.
They are commonly implemented on the power charging patch of portable devices to prevent USB or AC charger power failure.
SG Micro's ICs offer the advantage of very precise voltage thresholds, so that the protection is activated accurately, and without fail.

There are 9 of 9 products shown.

SGM40661

  • Package (Überspannungschutz IC): WLCSP-1.30×0.94-6B
  • IOUT [A]: 4 A
  • Description: Adjustable Over-Voltage Protection Switch
  • Manufacturer: SG Micro
SGM40661

SGM4062

  • Package (Überspannungschutz IC): TDFN-2×2-8L MSOP-8(EP)
  • BVOVP [V]: 4.35 V
  • SHDN Iq [µA]: 2 μA
  • VOUT [V]: 5.1 V
  • IOUT [A]: 1.5 A
  • Description: Over-Voltage Protection IC and Li+ Charger Front-End Protection IC with LDO Mode
  • Manufacturer: SG Micro
SGM4062

SGM4064

  • Package (Überspannungschutz IC): TDFN-2×2-8L
  • BVOVP [V]: 4.35 V
  • SHDN Iq [µA]: 2 μA
  • VOUT [V]: 5.1 V
  • IOUT [A]: 1.5 A
  • Description: Over-Voltage Protection IC and Li+ Charger Front-End Protection IC with LDO Mode
  • Manufacturer: SG Micro
SGM4064

SGM40666AS

  • IOUT [A]: 4.5 A
  • Description: High-Current Over-Voltage Protector
  • Manufacturer: SG Micro
SGM40666AS

SGM40666A

  • IOUT [A]: 4.5 A
  • Description: High-Current Over-Voltage Protector
  • Manufacturer: SG Micro
SGM40666A

SGM40666B

  • IOUT [A]: 4.5 A
  • Description: High-Current Over-Voltage Protector
  • Manufacturer: SG Micro
SGM40666B

SGM2539

  • SHDN Iq [µA]: 2 μA
  • IOUT [A]: 5 A
  • Description: High Voltage, USB PD Power Switch
  • Manufacturer: SG Micro
SGM2539

SGM40666BS

  • IOUT [A]: 4.5 A
  • Description: High-Current Over-Voltage Protector
  • Manufacturer: SG Micro
SGM40666BS

SGM40675A

  • SHDN Iq [µA]: 2 μA
  • IOUT [A]: 5 A
  • Description: Over-Voltage Protector Supporting Bidirectional Blocking and Surge Protection
  • Manufacturer: SG Micro
SGM40675A
Package

Vout [V]

Iout [A]

SHDN Iq [µA]

Description

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