Datasheet

© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
FPF3003 • Rev. 1.0.0 3
FPF3003 — IntelliMAX™ Full Functional In
p
ut Power Path Mana
g
ement Switch for Dual-Batter
y
Portable S
y
stems
Pin Configuration
Figure 3. Pin Assignments (Top View) Figure 4. Pin Assignments (Bottom View)
Pin Description
Pin # Name Description
A1 LOBAT
Low Battery A Voltage Input. Connect to the resistive divider to set the trip level for chip-on
moment. If LOBAT is less than 0.8V, V
OUT
is connected to BATB.
A2 CHGIN
Charging Input. Charging path input.
A3, A4 BATA
Supply Input. Battery A voltage input.
B1 STAT
Battery Selector Status. Open-drain output. HIGH (Hi-Z) means battery A connects to
VOUT. LOW means battery B connects to VOUT.
B2 BATBID
Battery B Indicator. Connect this pin with the ID pin at the battery pack of BATB. HIGH
means battery B absent; LOW means battery B present.
B3,B4 VOUT
Switch Output. Connect to system load.
C1 ADPIN
Adapter Input. 5V input for battery charger.
C2 BATAID
Battery A Indicator. Connect this pin with the ID pin at the battery pack of BATA. HIGH
means battery A absent; LOW means battery A present.
C3,C4 BATB
Supply Input. Battery B voltage input.
D1 GND
Ground
D2 RESETB
Reset Input. Active LOW. Both system path switches are disconnected from system load.
D3 BATSEL
Battery Selection Input. HIGH means to switch battery B to VOUT; LOW means to switch
battery A to VOUT.
D4 CHGSEL
Charge Selection Input. HIGH means to charge battery B: LOW means to charge battery A.