iC-JE SO8

PWM Relay/Solenoid Driver

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Product description

iC-JE is a PWM driver for inductive loads, such as relay coils, solenoid valves and small DC motors.

The setpoint for the coil current is preset with the external resistor, RSET. 60 to 300 mA can be set for energise mode which then automatically drop to 2/3 of this value (40 to 200 mA) during hold mode. The device is switched to hold mode after 100 ms provided that the set coil current is obtained during energising.

Features

  • Wide operating voltage range of 10 to 45 Vdc
  • PWM control for coil currents of 40 to 300 mA
  • Coil current for energise and hold modes set by an external resistor
  • Coil current monitored during energise mode, detection of load breakage and voltage errors
  • Automatic current reduction after 100 ms to reduce the power consumption in hold mode
  • Quick demagnetising during shutdown
  • Status signalled at the current-limited LED output
  • Shutdown with excessive temperature and low voltage
  • Integrated oscillator with no external components
  • PWM frequency beyond audible range
  • Minimum space requirements, few external components

Applications

  • PWM drive for inductive loads (e.g. relays, electrovalves)
  • Relay low-/high-side switch
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