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LED Driver (Power Logic)
HB LED without diagnostic (32 LED) based on STP16CP596
Data Brief
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(91 kb)
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(5 kb)
Last Updated: 15/11/2007
Pages: 4
Related Application Notes
LEDs Array Reference Board Design
Related Datasheets
Low voltage 16-bit, constant current LED sink driver
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STEVAL-ILL003V1
HB LED without diagnostic (32 LED) based on STP16CP596
Data Brief
Features
32 LEDs matrix is driven by STP16CP596 LED current regulation Adjustable brightness Animated text implemented Adjustable blinking speed, several blinking modes Input voltage ranges from 5 V to 35 V DC/DC converter for high efficiency STEVAL-ILL003V1
Description
This evaluation board implements a cost effective solution to drive an array of high brightness LEDs, using the LED driver STP16CP596. This driver provides the same constant current for each of its output channels, thus there is no difference in brightness and color between the LEDs.
November 2007
Rev 1
1/4
www.st.com 4
For further information contact your local STMicroelectronics sales office.
1
1
2
1
10 8 6 4 2
10K S1 C4
1 4
9 7 5 3 1
10K
2 3
2
VCC
2 3 6 7 5
Gnd Gnd Gnd Gnd Inhib
INPUT VOLTAGE FROM 5V UP TO 35V
3 7
2/4
Board schematic
Figure 1.
C1 100nF J3 STP16CP596 J4 1K8 1K8 R2 R1 STP16CP596 100nF
VCC C2
VCC
J1
J2
Schematic
VCC
IO1
Board schematic
C3
100nF
1 2 3 4 5 6 7 8
Vss PA0 Vdd NC RESET PWM AIN0 NC SCK NC AIN2ICCDATA MOSI ICCCLK CLKIN PA7
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8 9 10 11 12 GND SDI CLK /LE OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 Vdd R-EXT SDO /OE OUT15 OUT14 OUT13 OUT12 OUT11 OUT10 OUT9 OUT8 GND SDI CLK /LE OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 Vdd R-EXT SDO /OE OUT15 OUT14 OUT13 OUT12 OUT11 OUT10 OUT9 OUT8
24 23 22 21 20 19 18 17 16 15 14 13
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
VCC IO2 IO3
ST7LITE09
P1
3
10K
VCC
R3 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 D32 VCC
VCC
P2 10nF IO4 L78L33
8 Vin Vout 1
3
ICC
Switch
+ 3.3V
R4 C6 560 D33 100nF GREEN LED
C5 100nF
J5 CON3
1 2 3 5 1 1 2 6 8 2 4
IO5 L5970D L1 R5 6k8 D34 STPS340U R6 3k C10 33uF
C7 10uF/35V R7 4k7 C9 220pF 22nF
C8
+
C11 220uF/16V 100uF/16V
STEVAL-ILL003V1
STEVAL-ILL003V1
Revision history
2
Revision history
Table 1.
Date 13-Nov-2007
Document revision history
Revision 1 Initial release Changes
3/4
STEVAL-ILL003V1
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