Preliminary Datasheet

LPA2164A

LPA2164A–00

Version 1.0 May.-2013

www.lowpowersemi.com

Page 14 of 15

Case2: Bluetooth Speaker Box with Power Bank—— Charge(1A) +Boost(2A) +(2×5W) Class F Amplifier

16

14

5

6

9

7

13

11

12

10

2

3

FB

SW

SD

BYP

MODE

IN-

OUT+

VDD

GND

OUT-

VIN

EN

LPA2164A

C1

C2

104

22uF

L1

4.7uH

SS34

C3

C5

470uF

C4

10uF

104

C6

22pF

OPTIONAL

R2

ON

OFF

AB

ON

OFF

C7

105

INL-

C11

105

SPEAKER

8

IN+

17

C9

R6

PGND

4

AGND

C12

105

D

R1

SD

MODE

CHRG_S

ACIN

BATT

LP28019SPF

ISETA

GND

6

5

4,9

2

1

Rset

Battery

CHARGE

VIN

C18

22uF

C19

10uF

R11

1KΩ

LED

16

14

5

6

9

7

13

11

12

10

2

3

FB

SW

SD

BYP

MODE

IN-

OUT+

VDD

GND

OUT-

VIN

EN

LPA2164A

C12

C22

104

22uF

L12

4.7uH

SS34

C32

C52

470uF

C42

10uF

104

C62

22pF

OPTIONAL

R22

ON

OFF

AB

ON

OFF

C72

105

C112

105

SPEAKER

8 IN+

C42

17

C92

R62

PGND

4

AGND

C122

105

D

R12

INR+

INR-

LX

VIN

EN

VREFN

VOUT

FB

LP6253H

Power Bank

Output：5V

Chip

Enable

2.2nF

2Ω

L

VBUS

D+

D-

GND

7,8

6

5

4

1,2

3

9

C8

R61

R612

10nF

10R

10nF

10R

INL+

Classical Application

Charger

Boost

Amplifier

LP28056S(1A Linear Charger, ESOP8)

LP6253H(2.4A Synchronous Boost, ESOP8)

LPA2173(8W Class_F, EQ, ESOP8)

LP28019(1A Linear Charger, ESOP8)

LP6212(2A Boost, ESOP8 & SOT23-6)

LPA2174(8W Differential Input, ESOP8)

LP28301(5A Switch Charger, QFN28)

LP6255(External MOS, Syn, TQFN-20)

LPA2164A(6W Class_F with Boost, EQ,

SOP16)