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AS3683 Datasheet(PDF) 3 Page - ams AG

Part # AS3683
Description  1A Backlight and Camera LED Power Charge Pump
PDF  4 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3683 Datasheet(HTML) 3 Page - ams AG

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AS3683
austriamicrosystems
Product Brief
© 1997-2005, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved.
www.austriamicrosystems.com
Revision 1.0
3 - 4
5 Application Diagrams
Figure 2. Softflash Mode Application Diagram
Figure 3. Hardflash Mode Application Diagram
Camera
Flash
LED
1µF
GND
Exposed Pad
ADR
1
RBIAS
23
CLK/P2
8
STROBE/F2
11
GPIO0/P0
10
SFL/F1
16
T1/F0
17
HFL
18
DATA/P1
9
2
VBAT1
6
VBAT2
5
C2_P
7
C2_N
24
C1_N
4
CP_OUT
13
CURR11
VDD_GPIO
12
240k
Ω
1 - 10k
Ω
14 CURR12
15
CURR13
19
CURR2
20
CURR3
21
CURR4
1µF
1µF
2.2µF
2.2µF
Flash &
Preview
Battery or
CP_OUT
V2_5 22
Feature
Softflash
Mode
Interface
I2C
Flash LEDs
Current Sinks
3 to 6
Total Current
0 to 960mA
Addressable
Block
Strobe Trigger
Pin STROBE/F2
or software
Strobe Preview
Pin GPIO0/P0
or software
General Purpose
LEDs (CURR2,
CURR3, CURR4)
Current Sinks
3
Current per Sink
0 to 160mA
Addressable
Individually
C3
R1
R4
C4
C1
C5
C6
V2.5 = 41h
GND = 40h
3
C1_P
AS3683
Battery
Note: Connect all 6 current sinks in parallel or use
general purpose current sink for other functions (e.g.,
indicatorlamp).
3
C1_P
Feature
Hardflash
Mode
Interface
Dedicated Control
Pins for Strobe (3x) &
Preview (3x)
Flash LEDs
Current Sinks
6
Total Current
Strobe: 0 to 900mA
Preview: 0 to 480mA
Addressable
Block
Strobe Trigger
By Strobe Control
Pins
Strobe Preview By Preview Control
Pins
General Purpose
LEDs (CURR2,
CURR3, CURR4)
Current Sinks
N/A
Current per
Sink
N/A
Addressable
N/A
Preview Control
(Active-Low)
1µF
ADR
1
V2_5
22
RBIAS
23
CLK/P2 8
GPIO0/P0
10
STROBE/F2
11
SFL/F1
16
T1/F0
17
HFL
18
DATA/P1
9
VDD_GPIO
12
Selectable
240k
Ω
Battery
Strobe Control
(Active-Low)
LSB Flash
MSB Flash
LSB Preview
MSB Preview
Camera
Flash
LED
2 VBAT1
6 VBAT2
4
CP_OUT
13
CURR11
14
CURR12
15
CURR13
19 CURR2
20 CURR3
21 CURR4
2.2µF
2.2µF
Flash &
Preview
5
C2_P
7 C2_N
24 C1_N
1µF
1µF
C3
R1
C4
C1
C5
C6
GND
Exposed Pad
AS3683
Battery



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