iC-GE QFN16-4x4

Power-Saving PWM Relay/Solenoid Driver up to 1A

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Product description

iC-GE is a PWM driver for inductive loads, such as relay coils, solenoid valves and other inductive loads.

The setpoints for the coil's energising and hold current are pre-set by means of external resistors RACT and RHOLD. These currents can be set in a range from 100 mA to 1 A. The iC-GE switches from energising to hold mode after 65  ms provided that the set energising current has been reached. A capacitor at TACT prolongs the time before the switch to hold mode occurs.

Features

  • Current control for inductive actuators at 24 V (10 to 36 V)
  • High efficient current control up to 1 A
  • Power saving and power dissipation reduced switching
  • Individual setting of energising and hold current
  • Energising time of 65 ms prolongable with external capacitor
  • Monitoring of coil current, supply voltage and temperature
  • Status indication via LED or logic output
  • Contact preserving switching of relays synchronous to the mains
  • Shutdown with overtemperature and undervoltage
  • Fast demagnetising due to 15 V countervoltage
  • High PWM frequency with spreading for low EMI

Applications

  • PWM driver for inductive loads (e.g. 6/12 V relays, electrovalves) from 24 V
  • Relay low-/high-side switch
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