MP2617A, MP2617B

– SINGLE CELL SWITCHING CHARGER WITH POWER PATH

MP2617A, MP2617B Rev. 1.23

www.MonolithicPower.com

31

1/15/2018

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© 2018 MPS. All Rights Reserved.

TYPICAL APPLICATION CIRCUITS

L

CHGOK

ACOK

NTC

EN

AGND

TMR

BATT

BST

SW

OFF

ON

C3

M1

9V Input

IN

M0

VCC

VILIM

SYS

ISET

SYS Load

C2

MP2617B

SYSFB

ILIM

R1

R2

R3

R4

0

PGND

C1

22uF

1uF

10k

21k

1uF

10k

10k

2k

2k

100nF

30.9k

1.05k

100nF

2.2uH

22uF

22uF

C4

4.7uF

R6

R7

26.5k

10k

R5 100k

Figure 10: Typical Charge Application Circuit for 9V Input and 1.5A Input Current Limit

Table 7: The Key BOM of Figure 10.

Qty

Ref

Value

Description

Package

Manufacture

1

22μF

Ceramic Capacitor;16V;

X5R or X7R

1206

Any

1

C1

1μF

Ceramic Capacitor;16V;

X5R or X7R

0603

Any

1

C2

1

μF

Ceramic Capacitor;

6.3V; X5R or X7R

0603

Any

1

C3

100nF

Ceramic Capacitor;25V;

X5R or X7R

0603

Any

1

C4

4.7

μF

Ceramic Capacitor;

10V; X5R or X7R

0603

Any

1

100nF

Ceramic Capacitor;

6.3V;X5R or X7R

0603

Any

2

22

μF

Ceramic Capacitor;10V;

X5R or X7R

1206

Any

1

R6

26.5k

Film Resistor;1%

0603

Any

3

10k

Film Resistor;1%

0603

Any

1

L1

2.2

μH

Inductor;2.2

μH;Low

SMD

Any