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AS3685C bảng dữ liệu(PDF) 19 Page - ams AG

tên linh kiện AS3685C
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AS3685C bảng dữ liệu(HTML) 19 Page - ams AG

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AS3685C
Datasheet
www.austriamicrosystems.com/AS3685
(ptr)
1.1
18 - 21
9.2 WL-CSP 2x1.5mm (Wafer Level Chip Scale Package)
9.2.1 Pin Assignments WL-CSP 2x1.5mm
Figure
23 – WL-CSP 2x1.5mm Pin Assignments
9.2.2 Pin Descriptions WL-CSP 2x1.5mm
Table
11 – Pin Type Descriptions WL-CSP 2x1.5mm
Pin Type
Description
AI/O
Analog Pin
DI
Digital Input
S
Supply Pin
Table
12 – Pin Descriptions WL-CSP 2x1.5mm
Pin Number
Pin Name
Type
Description
A1
SCL
DI
Digital Control Signal two wire interface clock input
A2
VSS
S
Ground Connection – a proper thermal connection to the
ground plane is recommended
A3
ISET
AI/O
Current Generator input pin – connect current set resistor
RISET between this pin and VSS (and optional RTXMASK)
B1
C1+
AI/O
Flying Capacitor 1 connection – connect 1
μF ceramic
capacitor CFLY1 between C1- and C1+
B2
VCP
AI/O
Charge Pump Output voltage – connect flash LED anode
to this pin and add CVCP capacitor with 2.2
μF to VSS
B3
SDA
DI/O
Digital Input/Output Control two wire interface data signal
C1
VBAT
S
Battery Supply Voltage
C2
C2+
AI/O
Flying Capacitor 2 connection – connect 1
μF ceramic
capacitor CFLY2 between C2- and C2+
C3
ILED
AI/O
Current Source input pin – connect flash LED cathode to
this pin
D1
C2-
AI/O
Flying Capacitor 2 connection – connect 1
μF ceramic
capacitor CFLY2 between C2- and C2+
D2
C1-
AI/O
Flying capacitor 1 connection – connect 1
μF ceramic
capacitor CFLY1 between C1- and C1+
D3
VSS
S
Ground Connection – a proper thermal connection to the
ground plane is recommended



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