Data Sheet

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
FAN5400 Family • Rev. 1.10 6
FAN5400 Family — USB-Compliant Single-Cell Li-Ion Switching Charger with USB-OTG Boost Regulator
Electrical Specifications
Unless otherwise specified: according to the circuit of Figure 1; recommended operating temperature range for T
J
and T
A
;
V
BUS
=5.0 V; HZ_MODE; OPA_MODE=0; (Charge Mode); SCL, SDA, OTG=0 or 1.8 V; and typical values are for T
J
=25°C.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
Power Supplies
I
VBUS
VBUS Current
V
BUS
> V
BUS(min)
, PWM Switching
10
mA
V
BUS
> V
BUS(min)
; PWM Enabled,
Not Switching (Battery OVP
Condition); I_IN Setting=100 mA
2.5
mA
0°C < T
J
< 85°C, HZ_MODE=1
V
BAT
< V
LOWV
, 32S Mode
63
90
A
I
LKG
VBAT to VBUS Leakage Current
0°C < T
J
< 85°C, HZ_MODE=1,
V
BAT
=4.2 V, V
BUS
=0 V
0.2
5.0
A
I
BAT
Battery Discharge Current in High-
Impedance Mode
0°C < T
J
< 85°C, HZ_MODE=1,
V
BAT
=4.2 V
20
A
FAN5403-05, DISABLE=1,
0°C < T
J
< 85°C, V
BAT
=4.2 V
10
Charger Voltage Regulation
V
OREG
Charge Voltage Range
3.5
4.4
V
Charge Voltage Accuracy
T
A
=25°C
–0.5%
+0.5%
T
J
=0 to 125°C
–1%
+1%
Charging Current Regulation
I
OCHRG
Output Charge Current Range
V
LOWV
< V
BAT
< V
OREG
V
BUS
> V
SLP
, R
SENSE
=68 m
550
1250
mA
Charge Current Accuracy Across
R
SENSE
20 mV < V
IREG
<
40 mV
FAN5400-02
95
100
105
%
FAN5403-05
92
97
102
V
IREG
> 40 mV
FAN5400-02
97
100
103
FAN5403-05
94
97
100
Weak Battery Detection
V
LOWV
Weak Battery Threshold Range
3.4
3.7
V
Weak Battery Threshold Accuracy
–5
+5
%
Weak Battery Deglitch Time
Rising Voltage, 2 mV Overdrive
30
ms
Logic Levels: DISABLE, SDA, SCL, OTG
V
IH
High-Level Input Voltage
1.05
V
V
IL
Low-Level Input Voltage
0.4
V
I
IN
Input Bias Current
Input Tied to GND or V
IN
0.01
1.00
A
Charge Termination Detection
I
(TERM)
Termination Current Range
V
BAT
> V
OREG
– V
RCH
, V
BUS
> V
SLP
,
R
SENSE
=68 m
50
400
mA
Termination Current Accuracy
[V
CSIN
– V
BAT
] from 3 mV to 20 mV
–25
+25
%
[V
CSIN
– V
BAT
] from 20 mV to 40 mV
–5
+5
Termination Current Deglitch Time
2 mV Overdrive
30
ms
1.8 V Linear Regulator
V
REG
1.8 V Regulator Output
I
REG
from 0 to 2 mA, FAN5403-05
1.7
1.8
1.9
V
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