AS3665
Datasheet, Confidential - Pinout
4 Pinout
Pin Assignment
Figure 2. Pin Assignments WL-CSP-25 (2.610x2.675mm) 0.5mm pitch (Top View)
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AS3665
AS3665
Pin Description
Table 1. Pin Description for AS3665
Pin Number
Pin Name
C2-
Description
Charge Pump flying capacitor 2 - make a short connection to capacitor CFLY2
Charge Pump flying capacitor 1 - make a short connection to capacitor CFLY1
Ground supply input pin
A1
A2
A3
A4
A5
B1
B2
C1-
GND
LED9
LED8
VBAT
C2+
LED9 output - current source from VCP or VBAT
LED8 output - current source from VCP or VBAT
Positive supply input pin
Charge Pump flying capacitor 2 - make a short connection to capacitor CFLY2
Digital input - I2C address select; the value of the resistor RADDR defines the actual
I2C address used
B3
ADDR
Internal supply - connect a 1µF ceramic capacitor between C2V5 and GND
LED7 output - current source from VCP or VBAT
B4
B5
C1
C2
C3
C4
C5
D1
D2
C2V5
LED7
VCP
Charge Pump output - make a short connection to capacitor CVCPOUT
Charge Pump flying capacitor 1 - make a short connection to capacitor CFLY1
LED3 output - current source from VCP
C1+
LED3
TRIG
GPO
LED2
LED1
Digital open drain input/output - used to synchronize across several AS3665
Digital open drain input/output - General purpose output and ADC input
LED2 output - current source from VCP
LED1 output - current source from VCP
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