Data Sheet

MP2636 –3.0A SINGLE CELL SW MODE BATTERY CHARGER WITH PPM AND 3.0A BOOST
MP2636 Rev.1.01 www.MonolithicPower.com 19
9/16/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
FUNCTIONAL BLOCK DIAGRAM (Charge Mode)
0.8V
1.15V
V
BATT
+0.3V
V
IN
PWIN
VIN
SYS
FB
A1
A2
Control Logic&
Mode Selection
TMR
SW
VCC
Driver
V
BATT
GMI
MIN
GMV
V
BATT_Ref
I
CHG_Ref
PWM Controller
Current Setting
Mode Control
GMINI
I
IN_Ref
GMINV
V
REG_Ref
REG
V
BATT
MODE
GMT
T
Ref
T
J
NTC
VSYS
SYS
Indication&
Timer
ACOK
CHG
BOOST
EN
PWM Signal
HSMOS
LSMOS
ISET
ILIM
OLIM
FREQ
AGND
BATT
Charge
Pump
ACOK
VB
K1*I
CHG
K2*I
IN
CSP
Current
Sense
K1*I
CHG
Thermal
Shutdown
V
BATT
Buffer
Q1 Q2
PGND
IB
A3
Figure 1 : Functional Block Diagram in Charger Mode