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AS3687 Datasheet(PDF) 3 Page - ams AG

Part # AS3687
Description  Flexible Lighting Management
PDF  55 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3687 Datasheet(HTML) 3 Page - ams AG

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AS3687/87XM
Datasheet
www.austriamicrosystems.com/AS3687
1v3-4
2 - 54
4
Block Diagram
Figure
1 – Application Diagram of the AS3687/AS3687XM
Step Up DC/DC
Converter
C9
4.7µF
C7
1.5nF
Q1
DCDC_SNS
DCDC_GATE
DCDC_FB
R2
1M
Ω
R3
100k
Ω
C8
15nF
C6
1µF
R1
0.1
Ω
Battery
Charge Pump
1:1, 1:1.5, 1:2
150mA
Battery
VBAT
C2_P
C2
1µF
C3
500nF
C2_N
C1_P
C4
500nF
C1_N
CPOUT
D2
D3
D4
C5
1.0µF
CURR30
CURR31
CURR32
Current Sinks
each 0.15-38.25mA
D6
D7
D8
D10
D9
CURR1
CURR2
HV Current Sinks
each 0.15-38.25mA
Serial
Interface
R4
1-10k
Ω
VDD_I/F
CLK
CLK
DATA
References
and
Temperature
Supervision
C1
1µF
V2_5
D1
L1
10µH
DATA
AS3687
Lighting
Management
Unit
8Bit PWM
Generator
Automatic Dimming
and LED Pattern
Generator
CURR33
D5
D11
VSS
LED
Test
VBAT
Zero Power
Device
Wakeup
ADC
vtemp
currx
dcdc
D13
D12
D14
CURR6
R5
AS3687/
AS3687XM
Lighting
Management
Uni
t



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