AS3681 Просмотр технического описания (PDF) - austriamicrosystems AG
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AS3681 Datasheet PDF : 4 Pages
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AS3681
Product Brief
austriamicrosystems
Figure 2. Option (by software): General Purpose Current Sinks (Pins 23, 24, 28, 29) and External Charge Pump
(Pins 25, 26, 27).
AS3681
Power Management
Unit
C2
1µF
LDO
e.g. 2.8V
C3
2.2µF
2.5V
C4
1µF
R1
240kΩ
VBAT3 21
VANA 22
V2_5 30
RBIAS 32
CREF 31
C1
100nF
CP_OUT or VBAT
RGB
LEDs D15 D16 D17
RGB1 25
RGB2 27
RGB3 26
LDO
1.85-3.4V
150mA
Bandgap
and
VREF
Current Sinks
2.5-37.5mA
GPIO/
ADC
16
GPIO0
15
GPIO1
13
GPIO2
12
GPIO3
CURR53 24 23 CURR52
D18
D19
28 CURR51
NC
Current Sinks
2.5-37.5mA
Charge Pump
1:1, 1.5:1, 2:1
400mA
Current Sinks
10-150mA
29 CURR4
D20
6 VBAT1
Battery
3 VBAT2
4 C2_P
2 C2_N
C5
2.2µF
C6
1µF
7 C1_P
8 C1_N
5 CPOUT
C7
1µF
Camera Flash
Module
9 CURR30
D6 D7 D8
10 CURR31
11 CURR32
C8
2.2µF
Current SInks
2.5-37.5mA
19 CURR1
D21
20 CURR2
D22
Serial
Interface
14
VDD_GP
18 CLK
17 DATA
1 ADDR
VDD_G
R6
1-10kΩ
Device Address Selector
30
Exposed Pad
© 1997-2004, austriamicrosystems USA, Inc. 8601 Six Forks Road, Suite 400 Raleigh,NC 27615 USA. All Rights Reserved.
www.austriamicrosystems.com
Revision 1.0
3-4
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