MP2607 – LI-ION CHARGER WITH POWER PATH MANAGEMENT

MP2607 Rev. 1.03

www.MonolithicPower.com

10

5/18/2015

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© 2015 MPS. All Rights Reserved.

BLOCK DIAGRAM

IN

MODE

ICHSET

BATT

SYS

TMR

NTC

VIN REGULATOR

1. For AC: Vout = 5V

Coarse current

limit = 2A

2. For USB: Vout=VIN

Accurate current

limit set internally to

450mA typ.

References

&Bias

BATTERY CHARGE

CONTROL

Trickle Charge

CC/CV Regulation

Thermal Regulation

Programmable ICH

Dynamic

ICH Adjustment

Auto-recharge

Time-out temination

2.8V

4.05V

RE_CHG

TRICKLE_CHG

4.3V

ICH foldback for

Current limited AC

VIN UVLO

Time Out

Counter

EN

BATT

BATTERY SWITCH

CONTROL

&

2X CHARGE PUMP

Constant VD_BSW

Constant RON_BSW

Current Limit

MP1SEN

MP2

MNSW

NSW_ON

Charger Status

Decoder

BATTERY

UVLO

TEMP_OK

EN

VBAT_GOOD

GND

AC

Adaptor

or

USB

port

RCHSET

CTMR

RTHM

SYSTEM

10mV

COMP

SYS<BAT

CHG

VBG

EN

MP1

ICH foldback for

USB mode

TRICKLE_CHG

EN

EN

IN

IN

RT1

R2

R3

R1

EN

EN

STAT2

STAT1

CEB

RT2

Figure 1—Functional Block Diagram