Datasheet

ManualsBrandsANALOG DEVICES ManualsPMICsPMIC - LED driver DC-DC voltage regulator LFCSP 24 VQ Surface-mount

ADP5520

Rev. A | Page 37 of 40

1

PGND

21

VBAT

16

VDDIO

5

SCL

4

SDA

3

nINT

15

nRST

ADP5520

1µF

4.7µH

1µF

VBAT

I/O RAIL

10kΩ

10kΩ

2.2kΩ

2.2kΩ

13

R3

6

R2

7

R1

8

R0

9

C0

10

C1

11

C2

12

C3

14

ILED

VBAT

2

SW

22

BST

23

BL_SNK

20

CAP_OUT

VBAT

100nF

1µF

19

18

24

GND

GND

GND

17

CMP_IN

07445-043

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

Figure 57. I/O Configuration Example 5

1

PGND

21

VBAT

16

VDDIO

5

SCL

4

SDA

3

nINT

15

nRST

ADP5520

1µF

4.7µH

1µF

VBAT

I/O RAIL

10kΩ

10kΩ

2.2kΩ

2.2kΩ

13

R3

6

R2

7

R1

8

R0

9

C0

10

C1

11

C2

12

C3

AB

EF

IJ

MN

2

SW

22

BST

23

BL_SNK

20

CAP_OUT

VBAT

100nF

1µF

19

18

24

GND

GND

GND

17

CMP_IN

07445-044

14

ILED

VBAT

I/O

Figure 58. I/O Configuration Example 6

1

PGND

21

VBAT

16

VDDIO

5

SCL

4

SDA

3

nINT

15

nRST

ADP5520

1µF

4.7µH

1µF

VBAT

I/O RAIL

10kΩ

10kΩ

2.2kΩ

2.2kΩ

6

R2

7

R1

8

R0

9

C0

10

C1

11

C2

2

SW

22

BST

23

BL_SNK

20

CAP_OUT

VBAT

100nF

1µF

19

18

24

GND

GND

GND

17

CMP_IN

07445-045

13

R3

12

C3

14

ILED

VBAT

I/O

I/O

I/O

I/O

I/O

I/O

Figure 59. I/O Configuration Example 7

1

PGND

21

VBAT

16

VDDIO

5

SCL

4

SDA

3

nINT

15

nRST

ADP5520

1µF

4.7µH

1µF

VBAT

I/O RAIL

10kΩ

10kΩ

2.2kΩ

2.2kΩ

6

R2

7

R1

8

R0

9

C0

10

C1

11

C2

2

SW

22

BST

23

BL_SNK

20

CAP_OUT

VBAT

100nF

1µF

19

18

24

GND

GND

GND

17

CMP_IN

07445-046

13

R3

12

C3

14

ILED

I/O PORT UNUSED

Figure 60. I/O Configuration Example 8