STCF05 Datasheet, PDF (8/33 Pages) STMicroelectronics – High power white LED driver with I²C interface

Pin configuration
3
Pin configuration
Figure 2. Pin connections (top view)
1
2
3
4
5
A VOUT LED LED ATN TRIG
B VOUT ADD SDA SCL TMSK
C PGND PGND PGND PGND AUXL
D
VLX VLX PGND VBAT NTC
E
VLX VLX PGND AGND RX
Table 2. Pin description
Ball n°
Symbol
E1, D1, D2, E2
VLX
E5
A1, B1
RX
VOUT
D5
NTC
C5
AUXL
B4
SCL
A5
TRIG
E4
AGND
B2
ADD
A2, A3
LED
A4
ATN
D4
VBAT
B3
SDA
B5
TMSK
C1, C2, C3, C4, D3, E3
PGND
Description
Inductor connection
Rx resistor connection
Output voltage
NTC resistor connection
Auxiliary red LED connection
I²C clock signal
Flash trigger input
Signal ground
I²C address selection
Diode cathode connection
Attention (open drain output, active LOW)
Supply voltage
I²C data
T-mask
Power ground + die back connection
STCF05
8/33
Doc ID 15257 Rev 4