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IC-HTG датащи(PDF) 3 Page - IC-Haus GmbH

номер детали IC-HTG
подробное описание детали  POWER CW LASER DIODE DRIVER
PDF  40 Pages
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производитель  ICHAUS [IC-Haus GmbH]
домашняя страница  http://www.ichaus.biz
Logo ICHAUS - IC-Haus GmbH

IC-HTG датащи(HTML) 3 Page - IC-Haus GmbH

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iC-HTG
POWER CW LASER DIODE DRIVER
Rev A1, Page 3/40
CONTENTS
PACKAGING INFORMATION
4
PIN CONFIGURATION QFN24 4 mm x 4 mm
(topview) . . . . . . . . . . . . . . . . .
4
PACKAGE DIMENSIONS QFN24-4x4 . . . .
5
ABSOLUTE MAXIMUM RATINGS
6
THERMAL DATA
6
ELECTRICAL CHARACTERISTICS
7
OPERATING REQUIREMENTS
10
SPI and I2C Interface . . . . . . . . . . . . .
10
STANDBY
11
OPERATION MODE
11
Laser enabling and error handling . . . . . .
11
CONTROL MODES AND LASER DIODE/LED
TYPES
13
CI capacitor . . . . . . . . . . . . . . . . . . .
13
ACC mode . . . . . . . . . . . . . . . . . . .
13
ACC mode monitoring the optical power . . .
14
APC mode . . . . . . . . . . . . . . . . . . .
14
APC mode monitoring the laser current . . .
15
Other functions . . . . . . . . . . . . . . . . .
15
OVERCURRENT MONITOR
16
WATCHDOG TIMER
16
SERIAL COMMUNICATION INTERFACES
17
Communication modes . . . . . . . . . . . .
17
SPI slave interface . . . . . . . . . . . . . . .
17
I2C slave interface . . . . . . . . . . . . . . .
17
8-BIT INTERNAL PROGRAMMABLE
LOGARITHMIC MONITOR RESISTORS
19
10-BIT LOGARITHMIC D/A CONVERTER
20
10-BIT LINEAR A/D CONVERTER
21
ANIN GENERAL PURPOSE IO PIN
22
DC/DC CONVERTER OPTIMIZATION
23
DC/DC step down operation:
regulation at voltages lower than power
supply . . . . . . . . . . . . . . . . . . .
23
DC/DC step up operation: regulation at
voltages higher than power supply . . .
24
Extension of system working voltage range .
24
Efficiency enhancement . . . . . . . . . . . .
24
ANALOG MODULATION
25
Setting Current Modulation . . . . . . . . . .
25
TEMPERATURE MONITOR AND PROTECTION 27
CONFIGURATION MODE AND MEMORY
INTEGRITY MONITOR
28
Register map description . . . . . . . . . . .
28
Read-only registers with values or states . .
29
Configuration page (integrity monitored) . . .
29
Validation page . . . . . . . . . . . . . . . . .
29
Possible start-up sequence: . . . . . . . . . .
29
REGISTER OVERVIEW
30
PARAMETERS
31
Status . . . . . . . . . . . . . . . . . . . . . .
31
Channel configuration registers . . . . . . . .
33
EXAMPLES OF CONFIGURATION
35
ACC mode . . . . . . . . . . . . . . . . . . .
35
APC mode . . . . . . . . . . . . . . . . . . .
36
APC mode with current monitor or ACC mode
with optical power monitor . . . . . . . .
37
DESIGN REVIEW: Notes On Chip Functions
39
REVISION HISTORY
39



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