MAX1874 Maxim, MAX1874 Datasheet - Page 9

• Manufacturer Part Number: MAX1874
• Description: Dual-Input / USB/AC Adapter / 1-Cell Li+ Charger with OVP and Thermal Regulation
• Manufacturer: Maxim

Li+ Charger with OVP and Thermal Regulation
DC
DCOK
DCLV
USB
UOK
DCI
USEL
_______________________________________________________________________________________
OVERVOLTAGE AND
N
N
UNDERVOLTAGE
COMPARATORS
THERMISTOR
DETECT
USB/DCLV
DETECT
Dual-Input, USB/AC Adapter, 1-Cell
I
DCLV_SENSE
I
USB_SENSE
INPUT POWER-
OK SELECT
GND
0.25Ω
0.4Ω
REGULATOR
5Ω
LINEAR
REFERENCE
V
3.00V
BATT
5Ω
MAX1874
TEMPERATURE
Functional Diagram
120kΩ
N
BATT
CHG
PON
BYP
REF
9