FAN5400 Fairchild Semiconductor, FAN5400 Datasheet - Page 29

• Manufacturer Part Number: FAN5400
• Description: The FAN5400 combines a highly integrated switched-mode charger, to minimize single-cell Lithium-ion (Li-ion) charging time from a USB power source, and a boost regulator to power a USB peripheral from the battery
• Manufacturer: Fairchild Semiconductor

Table 19. MONITOR Register Bit Definitions
MONITOR
© 2009 Fairchild Semiconductor Corporation
FAN5400 Family • Rev. 1.0.7
BIT#
7
6
5
4
3
2
1
0
ITERM_CMP
VBAT_CMP
LINCHG
T_120
ICHG
IBUS
VBUS_VALID
CV
NAME
Address 10H
V
V
V
V
V
Linear Charging Not Enabled
T
Charging Current Controlled by
I
I
V
Constant Current Charging
CHARGE
BUS
J
CSIN
CSIN
BAT
BAT
BAT
BUS
< 120°
Limiting Charging Current
< V
< V
< UVLO
Not Valid
– V
– V
Control Loop
SHORT
LOWV
BAT
BAT
< V
< 1mV
BST
ITERM
0
STATE
29
V
V
V
V
V
Linear Charging Enabled
T
Charging Current Not Controlled by
I
Charge Current Not Limited by I
V
Constant Voltage Charging
CHARGE
J
CSIN
CSIN
BAT
BAT
BAT
BUS
> 120°
> V
> V
> UVLO
is Valid
– V
– V
Control Loop
SHORT
LOWV
BAT
BAT
> V
> 1mV
BST
ITERM
1
BUS
Charging with TE=1
Charging with TE=0
Charging
High-Impedance Mode
Boosting
Charging
Charging
Charging
V
Charging
BUS
Active When
> V
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BAT