IC-HT_15 Datasheet, PDF (3/45 Pages) IC-Haus GmbH – DUAL CW LASER DIODE DRIVER

iC-HT
DUAL CW LASER DIODE DRIVER
preliminary
PACKAGING INFORMATION QFN28 5 mm x 5 mm to JEDEC
Rev B1, Page 3/45
PIN CONFIGURATION QFN28 5 mm x 5 mm
(topview)
28 27 26 25 24 23 22
1
21
2
20
3
19
4
18
5
17
6
16
7
15
8 9 10 11 12 13 14
PIN FUNCTIONS
No. Name
Function
1 LDK1
Laser Diode Cathode for channel 1
2 LDK1
Laser Diode Cathode for channel 1
3 AGND1 Analog Ground for channel 1
4 CI1
Integration Capacitor for channel 1
5 CIL1
Integration Capacitor for channel 1,
low side
6 MDA1
Monitor Diode Anode for channel 1
7 MRL1
Monitor Resistor for channel 1, low
side
8 EMC
Enable Microcontroller input
9 SCLK/SCL SPI Clock / I²C Clock
10 MISO/SDA SPI Master In Slave OUT / I²C Data
11 MOSI/A0 SPI Master Out Slave In / I²C Ad-
dress Bit 0
12 NCS/A1 Chip Select, active low / I²C Ad-
dress bit 1
13 EC1
Enable Channel 1 input
14 EC2
Enable Channel 2 input
15 MRL2
Monitor Resistor for channel 2, low
side
16 MDA2
Monitor Diode Anode for channel 2
17 CIL2
Integration Capacitor for channel 2,
low side
18 CI2
Integration Capacitor for channel 2
19 AGND2 Analog Ground for channel 2
20 LDK2
Laser Diode Cathode for channel 2
21 LDK2
Laser Diode Cathode for channel 2
22 GND
Ground
23 DCO
Digital Current Output
24 INS/WKR I²C or SPI selection input / Refer-
ence voltage selection in iC-WK
mode
25 VDD
3.3 V output supply
26 VB
Power supply
27 NCHK
Error output, active low
28 NSTBY Standby input, active low
TP
Thermal Pad (GND)
The Thermal Pad is to be connected to a Ground Plane (GND, AGND1. . . 2) on the PCB.
Only pin 1 marking on top or bottom defines the package orientation ( HT label and coding is subject
to change).