IC-HTP datasheet(45/51 Pages) ICHAUS

45 / 51 page

prel

imin

ary

prel

imin

ary

iC-HTP

DUAL CW P-TYPE LASER DIODE DRIVER

Rev B1, Page 45/51

Channel 1 configuration registers

EACC1

Addr. 0x10; bit 0

R/W 0

APC mode enabled for channel 1 (light power

regulation)

ACC mode enabled for channel 1 (laser current

regulation)

Table 106: Enable APC/ACC channel 1

ECIE1

Addr. 0x10; bit 1

R/W 0

External CI capacitor for channel 1 disconnected

External CI capacitor for channel 1 connected

Table 107: Enable external CI capacitor channel 1

DISP1

Addr. 0x10; bit 2

R/W 0

PLR enabled for channel 1

PLR disabled for channel 1

Table 108: Disable PLR channel 1

DISC1

Addr. 0x10; bit 3

R/W 1

Channel 1 can be enabled by pin EC1

Channel 1 cannot be enabled by pin EC1

Table 109: Disable channel 1

EOC1

Addr. 0x10; bit 4

R/W 1

Channel 1 regulator offset compensation disabled

Channel 1 regulator offset compensation enabled

Table 110: Enable offset compensation channel 1

ADCC1(2:0)

Addr. 0x10; bit 7:5

R/W 000

0xx

Channel 1 ADC disabled

100

Channel 1 ADC sourced by V(MDK1), ADFNS1 = 1,

CMES1 = 0

100

Channel 1 ADC sourced by V(PLR1), ADFNS1 = 0,

CMES1 = 0

100

Channel 1 ADC sourced by ACC current sensor,

CMES1 = 1

101

Channel 1 ADC sourced by V(VB)

110

Channel 1 ADC sourced by V(VBL1)

111

Channel 1 ADC sourced by V(LDA1)

Table 111: ADC channel 1 source selection

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 112: Overcurrent threshold configuration

channel 1

RMD1

Addr. 0x12; bit 7:0

R/W 0xFF

0x00

PLR1 set to the minimum resistance

. . .

PLR1 resistor set to Rmd = Rmd0(1 +

∆

Rmd(%)

100

)n+1,

n from 0 to 255

0xFF

PLR1 resistor set to the maximum resistance

Table 113: MDK resistor channel 1

COMP1

Addr. 0x13; bit 6:4

R/W 011

000

Minimum compensation current for the channel 1

regulator, slower response

. . .

111

Maximum compensation current for the channel 1

regulator, faster response

Table 114: Current compensation channel 1

RLDAS1

Addr. 0x13; bit 3:2

R/W 00

V(LDA1) > VBL1-0.5 V sets the LDASAT1 alarm bit

V(LDA1) > VBL1-0.8 V sets the LDASAT1 alarm bit

V(LDA1) > VBL1-1.0 V sets the LDASAT1 alarm bit

V(LDA1) > VBL1-1.2 V sets the LDASAT1 alarm bit

Table 115: LDA saturation threshold selection

channel 1

REF1

Addr. 0x13/14; bit 9:0

R/W 0x000

0x000

Channel 1 regulator reference voltage set to

minimum voltage

. . .

Channel 1 regulator reference voltage set to

Vref = Vref0(1 +

∆

Vref (%)

100

)n+1, n from 0 to 1023

0x3FF

Channel 1 regulator reference voltage set to

maximum voltage

Table 116: Regulator voltage reference channel 1

RACC1

Addr. 0x1A; bit 0

R/W 0

Current range high for channel 1, Current sensor

resistor (Rsensex) set to 2kΩ

Current range low for channel 1, Current sensor

resistor (Rsensex) set to 16kΩ

Table 117: Current range configuration channel 1

IC-HTP bảng dữ liệu(PDF) 45 Page - IC-Haus GmbH

IC-HTP bảng dữ liệu(HTML) 45 Page - IC-Haus GmbH

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51

bảng dữ liệu tải về

Link URL