DESCRIPTION
iC-LQNP is a sensor for pulse and alternating light with a monolithically integrated photodiode. The device supersedes conventional photoreceivers, such as those in light barriers, for example.
Changes in the photocurrent are amplified whereas the photocurrents caused by background light are electronically suppressed with over 60 dB (at 100 Hz).

FEATURES
♦ Fast response amplifier with on-chip photodiode
♦ High interference immunity due to monolithic design
♦ Active photodiode area of ca. 1 mm²
♦ Suitable for visible light and near infrared
♦ Integrated band-pass filter with 140 kHz center frequency
♦ Maximum gain obtained for pulse light of 1.4 µs and upwards
♦ High LF and DC (ambient) light suppression
♦ Transfer characteristics irrespective of ambient light level
♦ Soft signal and noise limiter with excess ambient light
♦ Fast recovery from flashes
♦ Complementary analogue current source outputs,
   transimpedance can be set by external resistor
♦ Single 5 to 12 V supply, low power consumption also with
   bright ambient light
♦ Options: customised COB versions

APPLICATIONS
♦ Receiver for through beam and
   reflection light barriers with
   background suppression
   (sunlight) e.g. for presence
   detection in power operated
   gates, doors and windows etc.

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

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

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

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

SV-LED Series Heatsinks For Power LED Modules

Ohmite introduces the SV-LED Series, high performance, low cost, configurable, scalable and compact power heatsink for LED modules. This powerful, high aspect ratio heatsink comes in two standard heights. It can be configured to customer specifications for length, surface finish, mounting holes, and custom machining.

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

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

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
iC-DI is a monolithic interface iC with two independent switching channels which enables digital sensors to drive peripheral elements, such as programmable logic controllers (PLC) and relays, for example.

FEATURES
♦ Dual channel switches, configurable for high-side, low-side and push-pull operation
♦ Switches are current limited
♦ Push-pull operation with tristate function
♦ Output current of up to 100 mA per channel
♦ Parallel connection of both channels possible
♦ Channel 1 can be inverted (antivalent output)
♦ Wide supply voltage range of 9 to 30 V
♦ Sensor parameterisation via a feedback channel (up to 30 V)
♦ Switching converters and regulators for 3.3/5 V voltage generation
♦ Error detection with hysteresis with excessive temperature, overload and low voltage
♦ driver shutdown in the event of error
♦ Error messaging via two open-collector outputs

APPLICATIONS
♦ Sensor interface for light barriers and proximity switches, for example