FAN5401 Fairchild Semiconductor, FAN5401 Datasheet - Page 7

• Manufacturer Part Number: FAN5401
• Description: The FAN5401 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

Electrical Specifications
Unless otherwise specified: according to the circuit of Figure 1; recommended operating temperature range for T
V
Input Power Source Detection
Special Charger (V
Input Current Limit
V
Battery Recharge Threshold
STAT Output
Battery Detection
Sleep Comparator
Power Switches (see Figure 3)
Charger PWM Modulator
© 2009 Fairchild Semiconductor Corporation
FAN5400 Family • Rev. 1.0.7
BUS
REF
t
Symbol
VBUS_VALID
V
V
V
V
I
R
I
t
STAT(OH)
SLP_EXIT
STAT(OL)
DETECT
DETECT
D
IN(MIN)1
IN(MIN)2
I
V
I
V
V
D
=5.0V; HZ_MODE; OPA_MODE=0; (Charge Mode); SCL, SDA, OTG=0 or 1.8V; and typical values are for T
DS(ON)
V
SYNC
INLIM
Bias Generator
f
RCH
SW
REF
MAX
SLP
MIN
SP
VBUS Input Voltage Rising
Minimum VBUS during Charge
VBUS Validation Time
Special Charger Setpoint Accuracy
Input Current Limit Threshold
Bias Regulator Voltage
Short-Circuit Current Limit
Recharge Threshold
Deglitch Time
STAT Output Low
STAT High Leakage Current
Battery Detection Current before
Charge Done (Sink Current)
Battery Detection Time
Sleep-Mode Entry Threshold,
V
Deglitch Time for VBUS Rising
Above V
Q3 On Resistance (VBUS to PMID)
Q1 On Resistance (PMID to SW)
Q2 On Resistance (SW to GND)
Oscillator Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Synchronous to Non-Synchronous
Current Cut-Off Threshold
BUS
BUS
– V
) (FAN5403 – FAN5405)
BAT
SLP
+ V
Parameter
SLP_EXIT
(5)
(4)
To Initiate and Pass VBUS Validation
During Charging
I
I
V
Below V
V
I
V
Begins after Termination Detected
and V
2.3V < V
Rising Voltage
I
Low-Side MOSFET (Q2) Cycle-by-
Cycle Current Limit
IN
IN
STAT
IN(LIMIT)
BUS
BAT
STAT
Set to 100mA
Set to 500mA
=10mA
Falling Below V
> V
=5V
BAT
=500mA
(OREG)
IN(MIN)
BAT
< V
7
< V
Conditions
OREG
or V
OREG
–V
BAT
, V
RCH
RCH
> V
BUS
Threshold
BAT(MIN)
Falling
Continued on the following page…
Min.
450
100
2.7
88
–3
0
–0.80
Typ.
4.29
3.71
0.04
475
120
130
262
180
130
150
140
3.0
30
93
20
30
0
www.fairchildsemi.com
Max.
4.42
0.10
3.94
500
150
250
225
225
100
J
6.5
0.4
3.3
98
+3
=25°C.
1
J
and T
Units
MHz
mA
mA
mV
A
mA
mΩ
mA
ms
ms
ms
ms
%
%
%
V
V
V
V
V
A
;