PM8903 demonstration board

PM8903

28/34

Doc ID 022748 Rev 1

7.1.1

Connect a power supply to connectors J4(VIN) and J5(GND) on the demonstration board to

provide voltage on the power input pins of both devices. Input voltage can range from 2.8 V

to 6 V bus.

R15, R33

3.3 k

Ω

0603

R16, R34

2.2 k

Ω

0603

R28

0

Ω

0603

Capacitors

C1, C17

1 µF, X7R

0603

C2, C3, C18, C19

22 µF, X5R, 6.3 V, 10% -

MLCC

GRM21BR60J226ME

0805

MURATA

C4, C20

100 nF, X7R

0603

C5, C21

100 nF, X7R

0603

C6, C8, C9, C22,

C23, C24

10 µF X7R 6.3 V 10% - MLCC

GRM21BR70J106KE

0805

MURATA

C7, C25

NM

0603

C10, C26

NM

0603

C11

10 µF X7R 6.3 V 10% - MLCC

GRM21BR70J106KE

0805

MURATA

C12, C27

4.7 nF, X7R

0603

C13, C28

22 nF, X7R

0603

C14, C29

220 pF, X7R

0603

C15a, C16

NM

Case D

C15

NM

T.H.M

Inductors

L1, L2

1.0 µH, 10.4 m

Ω

SPM5030T-1R0M

TDK

Alternative inductors

L1, L2

1.2 µH, 35 m

Ω

H.DI0520-1R2

NEC

1.2 µH, 25 m

Ω

LTF5022T-1R2N4R2-LC

TDK

Active components

D1, D2

LED

Q1, Q2

2N7002

STM

U1, U2

PM8903

STM

Table 8.

PM8903 demonstration board - bill of material (continued)

Reference

Alias

Value

Manufacturer P.N.

Package Supplier