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IC-HT Datasheet(PDF) 1 Page - IC-Haus GmbH |
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IC-HT Datasheet(HTML) 1 Page - IC-Haus GmbH |
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1 / 45 page  prel imin ary prel imin ary iC-HT DUAL CW LASER DIODE DRIVER Rev B1, Page 1/45 FEATURES o Dual channel CW operation with up to 750 mA per channel o Up to 1500 mA with both channels combined o 2.8 V to 11 V power supply o Operation with or without µController o Individual enable input per channel o Control loop accuracy better than 1% o Internal programmable logarithmic monitor resistor o Operating point setup with 10 bit logarithmic resolution o ACC or APC mode individually configurable for each channel o A/D converters for analog monitoring o Serial programming interface (SPI or I2C compliant) o Configuration content verification and validation o Programmable laser overcurrent protection o Optimized for N-type laser diodes o Low drop linear regulator for 3.3 V o Low current standby mode o Temperature monitor o Temperature range -40 . . . 85 °C APPLICATIONS o Laser diode and LED modules o CW N-/M-type laser diode drivers o Embedded laser diode controllers o Structured-light 3D illuminations o Multiple laser diode control o Optical amplification/pumping o Safety related laser controllers PACKAGES QFN28 5 mm x 5 mm BLOCK DIAGRAM CHECK VB UNDERVOLTAGE VDD UNDERVOLTAGE RAM PODO RM2 MONITOR 8 Bit A 8 Bit 0x18 REF2(9:8) 0x17 RMD2(7:0) INTEGRITY 1μF 0x14 CFGTIMO WATCHDOG WATCHDOG TIMER OSCILLATOR LASER CONTROL 0x13 REF1(9:8) RMD1(7:0) D REGISTERS SPI/I2C 255 0 RM1 0x03 ADC1(9:8) ..10 nF.. 0x10 10 Bit D 8 Bit A IO DRIVERS A 10 Bit ACC SLAVE RAM ILIM2(7:0) 0x11 ILIM1(7:0) 0x05 ADC2(9:8) 0x06 ADC2(7:0) LASER CHANNEL 1 D OVC MEMERR 0x19 REF2(7:0) APC REF1(7:0) OVT 0x04 ADC1(7:0) 0x10 0x1F 0x30 0x3F 0x16 LASER CHANNEL 2 VDD REGULATOR TEMPERATURE ..10 nF.. R 0x02 0x12 1μF ADCC1(2:0) DUAL CW LASER DIODE DRIVER I LDK1 TEMP(7:0) + - N + - I LDK2 N CI1 CI2 CVB CVDD LDK1 EMC T.PAD GND VDD VB REF ADSNF1 EACC1 OVC1 DISP1 EMC MDA1 LDK1 CIL1 AGND1 VB LDK2 CI2 AGND2 MDA2 CIL2 MRL2 MRL1 CI1 CI ECIE1 DCO GND Check NCHK EC1 NSTBY INS/WKR MISO/SDA SCLK/SCL MOSI/A0 NCS/A1 EC2 VDD VB I LDK1 I LDK2 N CI1 N CVB CVDD CI2 Copyright © 2015 iC-Haus http://www.ichaus.com |
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