IC-HT Datasheet, PDF (41/42 Pages) IC-Haus GmbH – DUAL CW LASER DIODE DRIVER

iC-HT
DUAL CW LASER DIODE DRIVER
General configuration registers
RDCO
0x00
...
0x3F
Addr. 0x1B; bit 5:0
No current
140 µA Typ (see spec point D01)
R/W 0x02
Table 115: DCO current control
MERGE
0
1
Addr. 0x1B; bit 6
R/W 0
Channel 1 and 2 operate independently
Power transistor from channel 2 usable in parallel
with channel 1, regulation made by channel 1.
Table 116: Channel combination
MODE(1:0)
Addr. 0x1C; bit 1:0
00
Not allowed, signaled as memory error
01
Chip set in operation mode
(apply configuration, latch transparent)
10
Chip set in configuration mode
(hold previous configuration)
11
Not allowed, signaled as memory error
R/W 01
Table 117: Configuration and operation mode
MOSCERR
Addr. 0x1D; bit 0
R/W 0
0
Oscillator error (watchdog) will be signaled at
NCHK
1
Oscillator error (watchdog) will not be signaled at
NCHK
Table 118: Oscillator watchdog error mask
MMONC
0
1
Addr. 0x1D; bit 1
MONC1 and MONC2 event
will be signaled at NCHK
MONC1 and MONC2 event
will not be signaled at NCHK
R/W 1
Table 119: Monitor channel 1 and 2 event mask
preliminary
Rev A1, Page 41/42
MLDKSAT1
Addr. 0x1D; bit 2
R/W 1
0
LDKSAT1 event will be signaled at NCHK
1
LDKSAT1 event will not be signaled at NCHK
Table 120: LDK saturation error mask channel 1
MLDKSAT2
Addr. 0x1D; bit 3
R/W 1
0
LDKSAT2 event will be signaled at NCHK
1
LDKSAT2 event will not be signaled at NCHK
Table 121: LDK saturation error mask channel 2
SOVT
0
1
Addr. 0x1D; bit 4
No overtemperature event is simulated.
Overtemperature event simulated.
R/W 0
Table 122: Simulate overtemperature
SOVC1
0
1
Addr. 0x1D; bit 5
R/W 0
No Overcurrent event at channel 1 is simulated.
Overcurrent event at channel 1 simulated.
Table 123: Simulate overcurrent channel 1
SOVC2
0
1
Addr. 0x1D; bit 6
R/W 0
No overcurrent event at channel 2 is simulated.
Overcurrent event at channel 2 simulated.
Table 124: Simulate overcurrent channel 2
SOSCERR
Addr. 0x1D; bit 7
R/W 0
0
No oscillator error simulated.
1
Oscillator error simulated (watchdog timeout).
Table 125: Simulate oscillator error
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