Datasheet

ADP8861 Data Sheet
Rev. B | Page 20 of 40
EXAMPLE CIRCUITS
D1
D2
D3
D4
D5
D6
D7
VDDIO
nRST
VDDIO
SDA
VDDIO
SCL
VDDIO
nINT
VIN
1µF
GND1
GND2
C2+
C2–
C2
1µF
C1+
C1–
C1
1µF
VOUT
1µF
ADP8861
08391-202
Figure 40. Generic Application Schematic
ACCESSORY
LIGHTS OR
SUB-DISPLAY BL
I
2
C
CONTROL
SIGNALS
D1
DL1
D2
DL2
D3
DL3
D4
DL4
D5
DL5
D6
DL6
D7
R1 R2 R3 R4
VDDIO
SDA
SCL
C2+
C2–
C4
C1+
VOUT
GND2
C1–
C3
C2
ADP8861
VIN
GND1
V
IN
C1
DISPLAY BACKLIGHT
DL7
R5
DL8
R6
DL17
R15
nRST
nINT
nRST
nINT
KEYPAD LIGHT
UP TO 10 LEDs (6mA EACH)
60mA MAX TOTAL CURRENT
08391-029
Figure 41. Application Schematic with Keypad Light Control