iC-PV QFN16-3x3

Battery-Buffered Hall Multiturn Encoder

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Product description

iC-PV is an ultra low power encoder with up to 40 bit Multiturn and 3 bit Singleturn resolution.

In case of power failure iC-PV automatically switches to battery supply and continues to count the multiturn position. Integrated monitoring signalizes an empty battery. iC-PV supports angular accelerations up to 760 000 rad/s2 at a speed of 120 000 rpm. Together with a singleturn IC a complete multiturn encoder system can be realized.

Features

  • Integrated Hall sensors with automatic gain and offset control
  • Current consumption of only 2 µA to 30 µA in typ. applications
  • Tracking speed of up to 120 000 rpm
  • Configurable multiturn counting up to 40 bits
  • Octal encoder mode (singleturn) with 3-bit parallel output
  • Shift-register input for singleturn position
  • Shift-register output of synchronized MT/ST position
  • SSI multiturn data output with error, parity and sync. bits
  • Adjustable multiturn preset value
  • Pin-triggered preset and boot-up from external EEPROM
  • I2C multimaster interface to read EEPROM
  • Supply voltage range of 3.0 V to 5.5 V
  • Integrated supply switching to backup battery
  • Error output on overspeed, low battery and CRC failure
  • Space-saving 16-pin QFN package

Applications

  • Gearless revolution counting
  • Multiturn encoders
  • Absolute end-of-shaft encoders
  • Period counters
  • Metering applications
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