Datasheet

ADP8861 Data Sheet
Rev. B | Page 6 of 40
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
08391-005
TOP VIEW
(Not to Scale)
D3
D2
D1
SCL
nRST
VOUT
VIN
GND1
C2+
C1+
nINT
SDA
GND2
C2–
C1–
NA
D5
D4
D6
D7
14
13
12
1
3
4
15
11
2
5
7
6
8
9
10
19
20
18
17
16
NOTES
1. CONNECT THE EXPOSED PADDLE
TO GND1 AND/OR GND2.
Figure 3. LFCSP Pin Configuration
TOP VIEW
(BALL SIDE DOWN)
Not to Scale
1
A
B
C
D
2 3 4
C1+
C1–
C2+
GND2
nRST
VIN
D7
NA
D1
D2
GND1
D5
D6
D4
D3
VOUT
SDA
C2–
nINT
SCL
E
08391-004
Figure 4. WLCSP Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
LFCSP WLCSP Mnemonic Description
14 A3 VIN Input Voltage, 2.5 V to 5.5 V.
3 D3 D1 LED Sink 1.
2 E3 D2 LED Sink 2.
1 E4 D3 LED Sink 3.
20 D4 D4 LED Sink 4.
19 C4 D5 LED Sink 5.
17 B4 D6 LED Sink 6.
16 B3 D7 LED Sink 7.
18
C3
NA
This pin is not used and must be connected to ground.
13 A2 VOUT Charge Pump Output.
11 A1 C1+ Charge Pump C1+.
9 C1 C1− Charge Pump C1−.
12 B1 C2+ Charge Pump C2+.
10 B2 C2− Charge Pump C2−.
15
A4
GND1
Ground. Connect the exposed pad to GND1 and/or GND2.
8 D1 GND2 Ground. Connect the exposed pad to GND1 and/or GND2.
6 D2 nINT
Processor Interrupt (Active Low). Requires an external pull-up resistor. If this pin is not used,
it can be left floating.
5 E1 nRST
Hardware Reset (Active Low). This pin resets the device to the default conditions. If not used,
this pin must be tied above V
IH(MIN)
.
7 C2 SDA I
2
C Serial Data. Requires an external pull-up resistor.
4 E2 SCL I
2
C Clock. Requires an external pull-up resistor.
21 NA EPAD Exposed Paddle. Connect the exposed paddle to GND1 and/or GND2.