iC-PVL QFN16-4x4

Linear/Off-Axis Battery-Buffered Hall-Multiturn Encoder

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Product description

iC-PVL is an ultra low power magnetic encoder, used for linear and off-axis multiturn position sensing. On main power failure, iC-PVL switches automatically to battery supply and continues scanning the position.

iC-PVL operates with pole wheels or linear scales with a pole width of 1.0 mm up to 5.0 mm. Due to various operating modes, iC-PVL can work with iC-Haus singleturn encoders, as stand-alone SSI or incremental encoder, or links to embedded controllers via I2C.

Features

  • Integrated Hall sensors with automatic gain and offset control
  • For magnetic scales of 1.0 up to 5.0 mm pole width
  • Current consumption of only 2 µA to 30 µA in typ. applications
  • Tracking speed of up to 24 m/s (1.5 mm poles) or 15 000 rpm (32 pole pairs)
  • Configurable multiturn counting up to 40 bits
  • Adjustable period count per revolution: FlexCount® logic for 1 to 256 pole pairs
  • Serial, parallel and incremental singleturn operating modes
  • SSI multiturn data output with error, warning, parity, and synchronization bits
  • Multiturn preset by pin or command
  • I2C master function for initial boot-up from EEPROM
  • I2C slave function for controller operation
  • Supply voltage of 3.0 V to 5.5 V
  • Automatic low-power operation on backup battery
  • Overspeed, battery and RAM (CRC) monitoring
  • Space-saving 16-pin QFN package

Applications

  • Absolute hollow-shaft position encoders
  • Absolute on-axis position encoders
  • Gearless revolution counting
  • Linear position sensors
  • Metering applications
  • Battery-powered portable equipment
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