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AS3682 Datasheet(PDF) 19 Page - ams AG

No. de pieza AS3682
Descripción Electrónicos  480mA Camera Lighting Management Unit
PDF  43 Pages
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Fabricante Electrónico  AMSCO [ams AG]
Página de inicio  http://www.ams.com
Logo AMSCO - ams AG

AS3682 Datasheet(HTML) 19 Page - ams AG

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AS3682
austriamicrosystems
Data Sheet
Hard Flash Mode 2
www.austriamicrosystems.com
Revision 2.21
19 - 43
11 Normal and Soft Flash Modes
Figure 14. Normal Mode and Soft Flash Mode Functional Diagram
Table 17. Normal and Soft Flash Mode Settings
Pin HFL
Pin SFL/F1
Mode
GND
GND
Normal Mode
GND
VDD_GPIO
Soft Flash Mode
VBAT
Don't Care
Hard Flash Mode
Table 18. Normal Mode and Soft Flash Mode Functions
Feature
Normal Mode
Soft Flash Mode
Interface
I2CI2C
Flash LEDs
Current Sinks
3
3
Total Current
0 to 450mA
0 to 480mA
Total Current Resolution
4-Bit: 15/30mA
8-Bit: 1.875mA
Addressable
Block
Block
Strobe Trigger
Pin STROBE/F2 (active high)
or software
Pin STROBE/F2 (active low)
or software
Strobe Preview
Pin GPIO0/P0 (active high)
or software
Pin GPIO0/P0 (active low)
or software
General Purpose
LEDs (CURR2,
CURR3, CURR4)
Current Sinks
3
3
Current per Sink
0 to 37.5mA
0 to 160mA
Current Resolution per Sink
4-Bit: 2.5mA
8-Bit: 0.625mA
Addressable
Individual
Individual
SFL Mode:
SFL/F1 = VDD_GPIO
Normal Mode:
SFL/F1 = GND
AS3682
Camera
Flash
LED
C3
1µF
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
R1
240k
Ω
R4
1 - 10k
Ω
14 CURR12
15
CURR13
19
CURR2
20
CURR3
21
CURR4
C6
2.2µF
Flash &
Preview
Battery or
CP_OUT
V2_5
22
C4
1µF
C1
2.2µF
C5
1µF
V2.5 = 41h
GND = 40h
3
C1_P
Battery
GND
Exposed Pad



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