IC-HT datasheet(11/45 Pages) ICHAUS

11 / 45 page

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iC-HT

DUAL CW LASER DIODE DRIVER

Rev B1, Page 11/45

LASER DIODE/LED TYPES AND OPERATION MODES

For APC operation a monitor diode is required. This

operation is possible in microcontroller unit (MCU)

mode and in the iC-WK mode.

iC-HT can operate in APC two types of laser

diodes/LEDs with monitor diodes:

• N-Type laser diodes

• M-Type laser diodes

In automatic current control (ACC) operation there is

no monitor diode and any diode can be operated in

microcontroller unit (MCU) mode.

All operations are possible with laser diodes (LDs) or

light emitting diodes (LEDs). In the following text we do

not differ between laser diodes (LDs) and light emitting

diodes (LEDs).

..10 nF..

APC

PLR1

RM1

255

8 Bit

LASER CHANNEL 1

10 Bit

8 Bit

CI1

I LDK

CIL1

CI1

LDK1

DCO

ECIE1

AGND1

MDA1

EMC

DISP1

MRL1

I LDK

CI1

Figure 2: iC-HT with N-type laser diode

RM1

255

8 Bit

LASER CHANNEL 1

10 Bit

8 Bit

PLR1

APC

..10 nF..

CI1

I LDK

CIL1

CI1

LDK1

DCO

ECIE1

AGND1

MDA1

EMC

DISP1

MRL1

I LDK

CI1

Figure 3: iC-HT with M-type laser diode

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