iC-NZ
FAIL-SAFE LASER DIODE DRIVER
Rev B2, Page 3/20
PACKAGES
QFN28 5 mm x 5 mm to JEDEC Standard (MO-220-VHHD-1)
PIN CONFIGURATION QFN28 5 mm x 5 mm
(top view)
PIN FUNCTIONS
No. Name Function
1 RMDH APC Setup, Monitor Input Hi
2 RVDD Reference (P-type laser diodes)
3 RMDM APC Setup, Monitor Input Mid
4 NSF
No-Safety Signal
PIN FUNCTIONS
No. Name Function
5 MDL
APC Setup, Monitor Input Lo
6 ENCAL Enable Calibration
7 RGND Internal Ground
8 SMD
Safety Monitor Diode
9 GND
Ground
10 VREF Reference Voltage
11 CIL
Power Control Capacitor Lo
12 REGEN Regulator Enable
13 CIM
Power Control Capacitor Mid
14 LENL
Enable Laser Channel Lo
15 LENM Enable Laser Channel Mid
16 GND
Ground
17 LDKM Cathode Laser Diode Mid
18 AGND Analog Ground
19 LDKL
Cathode Laser Diode Lo
20 LDKH Cathode Laser Diode Hi
21 LENH Enable Laser Channel Hi
22 NERR Error Output
23 EN
Enable Input
24 CIH
Power Control Capacitor Hi
25 LDA
Anode Laser Diode
26 RSI
Current Monitor Setup
27 SDIS
External Current Limitation
28 VDD
Power Supply
The
Thermal Pad
is to be connected to a Ground Plane (GND) on the PCB. Pins 9, 16 (GND) and 18
(AGND) must be connected externally, e.g. to a Ground Plane.
Orientation of package label (
NZ CODE ...) may vary.
ICHAUS [ IC-HAUS GMBH ]
