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FAN54015 数据表(PDF) 7 Page - Fairchild Semiconductor

部件名 FAN54015
功能描述  USB-Compliant Single-Cell Li-Ion Switching Charger with USB-OTG Boost Regulator
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

FAN54015 数据表(HTML) 7 Page - Fairchild Semiconductor

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© 2012 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN54015 • Rev. 1.0.0
7
Electrical Specifications
Unless otherwise specified: according to the circuit of Figure 1; recommended operating temperature range for TJ and TA;
VBUS=5.0 V; HZ_MODE; OPA_MODE=0; (Charge Mode); SCL, SDA, OTG=0 or 1.8 V; and typical values are for TJ=25°C.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VBUS Load Resistance
RVBUS
VBUS to PGND Resistance
Normal Operation
1500
k
Charger Validation
100
Protection and Timers
VBUSOVP
VBUS Over-Voltage Shutdown
VBUS Rising
6.09
6.29
6.49
V
Hysteresis
VBUS Falling
100
mV
ILIMPK(CHG)
Q1 Cycle-by-Cycle Peak Current
Limit
Charge Mode
2.3
A
VSHORT
Battery Short-Circuit Threshold
VBAT Rising
1.95
2.00
2.05
V
Hysteresis
VBAT Falling
100
mV
ISHORT
Linear Charging Current
VBAT < VSHORT
20
30
40
mA
TSHUTDWN
Thermal Shutdown Threshold
(6)
TJ Rising
145
°C
Hysteresis
(6)
TJ Falling
10
TCF
Thermal Regulation Threshold
(6)
Charge Current Reduction Begins
120
°C
tINT
Detection Interval
2.1
s
t32S
32-Second Timer
(7)
Charger Enabled
20.5
25.2
28.0
s
Charger Disabled
18.0
25.2
34.0
t15MIN
15-Minute Timer
15-Minute Mode
12.0
13.5
15.0
min
∆tLF
Low-Frequency Timer Accuracy
Charger Inactive
–25
25
%
Notes:
4.
Negative current is current flowing from the battery to VBUS (discharging the battery).
5.
Q2 always turns on for 60 ns, then turns off if current is below ISYNC.
6.
Guaranteed by design; not tested in production.
7.
This tolerance (%) applies to all timers on the IC, including soft-start and deglitching timers.


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