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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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IC-HTP датащи(PDF) 24 Page - IC-Haus GmbH |
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IC-HTP датащи(HTML) 24 Page - IC-Haus GmbH |
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24 / 51 page  prel imin ary prel imin ary iC-HTP DUAL CW P-TYPE LASER DIODE DRIVER Rev B1, Page 24/51 PDOVBL2 Addr. 0x01; bit 7 R 0 VBL2 power down not occurred since last read. If MERGE = 1, VBL1 and VBL2 had no power down since last read 1 VBL2 power down event has occurred. If MERGE = 1, VBL1 or VBL2 had a power down event. Cleared on read Table 52: VBL2 power down D 0x1F 0x30 0x3F 0x18 REF2(9:8) A APC 8 Bit R x1 x2 0x16 LASER CHANNEL 2 0x17 RMD2(7:0) INTEGRITY OVT 0x04 ADC1(7:0) 0x02 LASER CHANNEL 1 OVC 8 Bit A D ADMDK1 0x12 RMD1(7:0) 10 Bit VDD UNDERVOLTAGE 10 Bit SLAVE RAM ILIM2(7:0) CHECK 10 Bit A CFGTIMO WATCHDOG WATCHDOG TIMER OSCILLATOR LASER 0x06 TEMP(7:0) ILIM1(7:0) CONTROL Signal Level Converter REF2(7:0) REGISTERS SPI/I2C ADC2(7:0) 0x19 MEMERR 0x05 ADC2(9:8) 0 VB UNDERVOLTAGE D A IO DRIVERS 0x11 MONITOR 8 Bit RAM 0x03 ADC1(9:8) TEMPERATURE 0x10 D 255 RM1 ACC PODO 0x10 1μF VDD REGULATOR ..10 nF.. 0x13 REF1(7:0) REF1(9:8) 1μF ADCC1(2:0) DUAL CW LASER DIODE DRIVER 0x14 CVB CVDD I LDA2 P - CI1 + + - ADFNS1 LDA1 VBL1 VB VB CI2 VBL2 CIH2 MRH2 MDK2 VB VDD VDD VBL2 LDA2 ADMDK2 EMC DISP1 MDK1 MRH1 LDA2 CI I LDA1 CI1 CI ECIE1 DCO GND Check NCHK EC1 NSTBY INS/WKR MISO/SDA SCLK/SCL MOSI/A0 NCS/A1 EC2 EMC T.PAD GND VDD VB REF LDA1 OVC EACC1 VB CIH1 VBL1 CVB CVDD CI1 P I LDA2 I LDA1 Figure 11: Combining both channels In combined mode, the internal CI nodes of both chan- nels are connected together. If required, an external capacitor on channel 1 can be used for improved stabil- ity. It is possible to have an additional external capacitor on channel 2 if ECIE2 bit is set to 1. Having an exter- nal capacitor on channel 2 and none on channel 1 is invalid. On combined operation both overcurrent thresholds are active. The overcurrent threshold channel 1 ILIM1 needs to be set accordingly to the selected current range as stated below. If both CRNG1 and CRNG2 are the same, set to 50% of the equivalent value for a single channel operation. Ilim(merge) = (∆I(LDA), max) · n · (k1 + k2) Where k1 depends on CRNG1 and k2 depends on CRNG2. n = Ilim(merge) (k1 + k2) · ∆I(LDA), max with n from 1 to 255. The overcurrent threshold channel 2 ILIM2 must be disabled by setting it to its minimum value (0x00). An overcurrent will only be detected on channel 1. ILIM1 Addr. 0x11; bit 7:0 R/W 0xFF 0x00 Channel 1 overcurrent threshold set to the minimum current in APC mode (EACC1 = 0) or overcurrent protection disabled in ACC mode (EACC1 = 1) . . . Channel 1 overcurrent threshold set to Ilim = (∆I(LDA), max · n · k), n from 0 to 255 0xFF Channel 1 overcurrent threshold set to the maximum current Table 53: Overcurrent threshold configuration channel 1 |
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