IC-HTP Datasheet, PDF (1/51 Pages) IC-Haus GmbH – DUAL CW P-TYPE LASER DIODE DRIVER

iC-HTP
DUAL CW P-TYPE
LASER
DIODE
DRIVER
preliminary
Rev B1, Page 1/51
FEATURES
• Dual channel CW operation with up to 750 mA per channel
• Up to 1500 mA with both channels combined
• 2.8 V to 11 V power supply
• Operation with or without µController
• Individual enable input per channel
• Individual laser power supply per channel
• Control loop accuracy better than 1%
• Internal programmable logarithmic monitor resistor
• Operating point setup with 10 bit logarithmic resolution
• ACC or APC mode individually configurable for each channel
• A/D converters for analog monitoring
• Serial programming interface (SPI or I²C compliant)
• Configuration content verification and validation
• Programmable laser overcurrent protection
• Optimized for P-type laser diodes
• Low drop linear regulator for 3.3 V
• Low current standby mode
• Temperature monitor
• Temperature range -40 . . . 85 °C
APPLICATIONS
• Laser diode and LED modules
• CW P-type laser diode drivers
• Embedded laser diode controllers
• Structured-light 3D illuminations
• Multiple laser diode control
• Optical amplification/pumping
• Safety related laser controllers
PACKAGES
QFN28 5 mm x 5 mm
BLOCK DIAGRAM
VB
CVB
+μF
CVDD
+μF
GND
DUAL CW LASER DIODE DRIVER
VDD REGULATOR
VB
r ^REF
VDD
v
NCHK
EMC
NCS/A1
MOSI/A0
SCLK/SCL
MISO/SDA
INS/WKR
NSTBY
EC1
EC2
T.PAD
GND
VB UNDERVOLTAGE
VDD UNDERVOLTAGE
CFGTIMO
Check
PODO
OVC
MEMERR
WATCHDOG
OVT
IO DRIVERS
TEMPERATURE
MONITOR 8 Bit
RAM
INTEGRITY
CHECK
Yx+Y Yx=Y
Yx+F Yx=F
RAM
REGISTERS
Yx+= REF+a9:8l
Yx+4 REF+a7:Yl
Yx++ ILIM+a7:Yl
WATCHDOG
TIMER
OSCILLATOR
Yx+- RMD+a7:Yl
SPI5I-C
SLAVE
LASER
CONTROL
YxY=
YxY4
ADC+a9:8l
ADC+a7:Yl
Yx+Y ADCC+a-:Yl
Yx+6 ILIM-a7:Yl
Yx+8
Yx+9
REF-a9:8l
REF-a7:Yl
YxY5
YxY6
ADC-a9:8l
ADC-a7:Yl
Yx+7 RMD-a7:Yl
YxY- TEMPa7:Yl
+Y Bit
D
A
EACC1
8 Bit
D
A
v
r
CI
OVC
DCO
ECIE1
VBL1
CIH1
CI1
LDA1
ACC
VDD
MRH1
VB
CI+
//+Y nF//
I LDA+
EM C
8 Bit
DISP1
R
Y
-55
+Y Bit
A
D
LDA1
VBL1
VB
A DM DK +
LASER CHANNEL + ^ADFNS1
x+
x-
Signal Level Converter
+Y Bit
A
D
LDA2
VBL2
VDD
ADM DK2
LASER CHANNEL -
APC
MDK1
RM+
P
VBL2
CIH2
CI2
LDA2
MRH2
VB
CI-
//+Y nF//
I LDA-
MDK2
RM-
P
Copyright © 2015, 2017 iC-Haus
http://www.ichaus.com