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Description : ANGULAR HALL SENSOR / ENCODER

DESCRIPTION
The CMOS device iC-MA consists of a quadruple Hall sensor array which has been optimized for the magnetic measurement of angles of rotation. This array permits error-tolerant adjustment of the magnet, reducing assembly efforts. The integrated signal conditioning unit provides a differential sine/cosine signal at the output. The sensor generates one sine cycle per each full rotation of the magnet, enabling the angle to be clearly determined. At the same time the internal amplitude control unit produces an regulated output amplitude of 2 Vpp regardless of variations in the magnetic field strength, supply voltage and temperature. Furthermore, signals are provided which enable the sensor amplitude to be assessed and also report any magnet loss.

FEATURES
♦ Quadruple Hall sensor array for error-tolerant adjustment
♦ Non-sensitive to magnetic stray fields due to differential
   measurement technique
♦ Interpolator with a resolution of up to 256 angle steps per cycle
♦ Rotational speeds up to 60 000 rpm
♦ 4 buffered I/O stages for signal outputs
♦ Three configuration inputs for operating mode selection
♦ Analog operation modes:
   - sine/cosine signals controlled to 2 Vpp
   - triangle or sawtooth signal with selectable amplitude
♦ Digital operation modes:
   - A/B quadrature signals with Z index pulse
   - Counter pulses for external binary counters
♦ Cascading of multiple iC-MA possible for chain operation
♦ Error signal output for detection of low magnetic field strength
♦ Additional operating modes with reduced POWER consumption
♦ Standby mode when not enabled
♦ Extended temperature range of -40...+125 °C

APPLICATIONS
♦ Analog and digital angle sensors
♦ Incremental angular encoders
♦ Magnetic multiturn encoders
♦ Potentiometer replacement
♦ Contactless rotary switch
♦ Commutation of brushless DC motors
♦ Flow meter

Description : P-TYPE LASER DIODE DRIVER

FEATURES
✦ Peak value controlled laser driver for operation from CW up to
   155 MHz
✦ Spike-free switching of laser currents of up to 300 mA
✦ Setting of laser POWER (APC) via external resistor
✦ Optional current control (ACC)
✦ Laser current limitation
✦ LVDS/TTL switching input with TTL monitor output
✦ Low current consumption sleep-mode < 50 µA
✦ Safety shutdown with overtemperature
✦ Error signal output with overtemperature, undervoltage and
   overcurrent
✦ All current LD types can be used (P/M/N configurations)
✦ Fast soft-start
✦ Strong suppression of transients with small external capacitors

APPLICATIONS
✦ Pulsed and CW laser diode
   modules
✦ Laser diode pointers
✦ Laser levels
✦ Bar-code readers
✦ Distance measurement

Description : DUAL CW P-TYPE LASER DIODE DRIVER

FEATURES
✦ Dual channel CW operation with up to 750 mA per channel
✦ Up to 1500 mA with both channels combined
✦ 2.8 V to 11 V POWER supply
✦ Operation with or without µController
✦ Individual enable input per channel
✦ Individual laser POWER supply per channel
✦ Control loop accuracy better than 1%
✦ Internal programmable logarithmic monitor resistor
✦ Operating point setup with 10 bit logarithmic resolution
✦ ACC or APC mode individually configurable for each channel
✦ A/D converters for analog monitoring
✦ Serial programming interface (SPI or I2C compliant)
✦ Configuration content verification and validation
✦ Programmable laser overcurrent protection
✦ Optimized for P-type laser diodes
✦ Low drop linear regulator for 3.3 V
✦ Low current standby mode
✦ Temperature monitor
✦ Temperature range -40 . . . 85 °C

APPLICATIONS
✦ Laser diode and LED modules
✦ CW P-type laser diode drivers
✦ Embedded laser diode Controllers
✦ Structured-light 3D illuminations
✦ Multiple laser diode control
✦ Optical amplification/pumping
✦ Safety related laser Controllers

Description : 15 V CW P-TYPE LASER DIODE DRIVER

FEATURES
✦ Optimised for P-type laser diodes (case grounded)
✦ CW operation up to 350 mA from 3 to 15 V supply voltage
✦ Rapid soft start after POWER-on
✦ Simple POWER adjustment via an external resistor
✦ Control loop accuracy better than 2% with changes in
   temperature, supply voltage and load current
✦ Integrated reverse polarity protection for the iC and laser diode
✦ Strong suppression of transients with small external
   capacitors; integrated flyback path
✦ Permanent shutdown with excessive chip temperature and
   overcurrent (i.e. if the laser diode is damaged or the feedback
   current path fails)
✦ Second feedback input MDA also permits the operation of
   N-type laser diodes
✦ Modulation via the feedback inputs possible
✦ Wide monitor current range from 2.5 µA to 6.25 mA

APPLICATIONS
✦ Laser diode modules
✦ Laser diode pointers
✦ Pilot lasers
✦ Laser levels
✦ Barcode readers
✦ Distance measuring sensors

Description : M-TYPE CW LASER DIODE DRIVER

FEATURES
♦ Optimised for M-type laser diodes
   (single supply, case grounded)
♦ CW operation up to 350 mA from a single supply of 3.6 to 15 V
♦ Rapid soft start after POWER-on
♦ Simple POWER adjustment via an external resistor
♦ Integrated reverse polarity protection for the iC and laser diode
♦ Strong suppression of transients with small external
   capacitors; integrated flyback path
♦ Permanent shutdown with excessive temperature and
   overcurrent (i.e. if the laser diode is damaged or the feedback
   current path fails)
♦ Two feedback inputs permit all current laser diode types to be
   used (M/P/N configurations)
♦ Modulation via the feedback inputs possible
♦ Wide monitor current range from 2.5 µA to 6.25 mA

APPLICATIONS
♦ Blue laser diodes
♦ Laser diode modules
♦ Laser diode pointers
♦ Laser levels
♦ Bar-code readers

Description : DUAL CW LASER DIODE DRIVER

FEATURES
✦ Dual channel CW operation with up to 750 mA per channel
✦ Up to 1500 mA with both channels combined
✦ 2.8 V to 8 V POWER supply
✦ Operation with or without µController
✦ Individual enable input per channel
✦ Control loop accuracy better than 1%
✦ Internal programmable logarithmic monitor resistor
✦ Operating point setup with 10 bit logarithmic resolution
✦ ACC or APC mode individually configurable for each channel
✦ A/D converters for analog monitoring
✦ Serial programming interface (SPI or I²C compliant)
✦ Configuration content verification and validation
✦ Laser channel disable with programmable overcurrent
   threshold
✦ Optimized for N-type laser diodes
✦ Low drop linear regulator for 3.3 V
✦ Low current standby mode
✦ Temperature monitor
✦ Temperature range -40 . . . 85 °C

APPLICATIONS
✦ Laser diode modules
✦ CW laser diode drivers
✦ Embedded laser diode
   Controllers
✦ Safety related laser Controllers

Description : 15 V CW LASER DIODE DRIVER

FEATURES
♦ CW operation up to 300 mA from 2.4 to 15 V supply voltage
♦ Rapid soft start after POWER-on typical within 70 µs
♦ Optimised for N-type laser diodes
♦ Simple output POWER adjustment via an external resistor (APC)
POWER control loop accuracy better than 1.5 % with changes in
   temperature, supply voltage and load current
♦ Integrated reverse polarity protection for the iC and laser diode
♦ Strong suppression of transients with very small external
   capacitors; integrated flyback path
♦ Permanent shutdown with excessive temperature and
   overcurrent (i.e. if the laser diode is damaged or the feedback
   current path fails)
♦ Two feedback inputs permit all current LD types to be used
   (N/P/M configurations)
♦ Modulation via the feedback inputs is possible
♦ Wide monitor current range from 2.5 µA to 6.25 mA
♦ Pin compatible to iC-WK and iC-WKL (SO8 package)

APPLICATIONS
♦ Blue laser diodes
♦ LD modules

Description : LASER DIODE Controller

FEATURES
♦ Laser diode driver of up to 250 mA
♦ Averaging control of laser POWER
♦ Protective functions to prevent destruction of laser diode
♦ Laser-current monitor with current or voltage output
♦ Integrated RC oscillator up to 4 MHz
♦ Integrated 16:1 divider for pulse generation in the kHz range
♦ Stable 1:1 pulse duty ratio
♦ Simple adjustment of the laser POWER via external resistor
♦ Soft-start at POWER-on
♦ Complementary pulse repetition frequency output for ECL level
♦ Shutdown in case of overtemperature
♦ Single 5 V POWER supply
♦ Very few external components
♦ iC-VJ for laser diodes with 50 to 500 µA monitor current
♦ iC-VJZ for laser diodes with 0.15 to 1.5 mA monitor current

APPLICATIONS
♦ Transmitter for laser light barriers from 1 to 200 kHz

IC-Haus GmbH
IC-Haus GmbH
Description : FAIL-SAFE LASER DIODE DRIVER

FEATURES
♦ Peak value controlled three level laser switch for operation
   from CW up to 155 MHz
♦ Spike-free switching of laser currents of ca. 100 mA per
   channel (320 mA total) from 3.5 to 5 V supply voltage
♦ Single-failure-proof
♦ System-enable with self test
♦ Separate setting of laser POWER for each channel via external
   resistors
♦ Strong suppression of transients with very small external
   capacitors
♦ Adjustable laser current monitor
♦ Safety shutdown with overcurrent, overtemperature and
   undervoltage
♦ Autonomous safety circuit for a second photo diode monitoring
   the laser POWER
♦ All current LD types can be used (M/P/N configurations)
♦ Error signal output at shutdown

APPLICATIONS
♦ Pulsed LD modules for safety
   applications
♦ Distance measurement

Description : N-TYPE LASER DIODE DRIVER

FEATURES
✦ Peak value controlled laser diode driver for operation from CW
   up to 155 MHz
✦ Spike-free switching of laser currents of up to 300 mA
✦ Setting of laser POWER (APC) via external resistor
✦ Optional current control (ACC)
✦ Laser current limitation
✦ LVDS/TTL switching input with TTL monitor output
✦ Low current consumption sleep-mode < 50 µA
✦ Safety shutdown with overtemperature
✦ Error signal output with overtemperature, undervoltage and
   overcurrent
✦ All current LD types can be used (N/P/M configurations)
✦ Blue laser diodes supported
✦ Fast soft-start
✦ Strong suppression of transients with small external capacitors

APPLICATIONS
✦ Pulsed and CW laser diode
   modules
✦ Laser diode pointers
✦ Laser levels
✦ Bar-code readers
✦ Distance measurement
✦ Blue laser diodes

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