LP3913 Datasheet, PDF (8/70 Pages) Texas Instruments – Power Management IC for Flash Memory-Based Portable Media Players

LP3913
SNVS489I – NOVEMBER 2006 – REVISED SEPTEMBER 2013
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LI-ION BATTERY CHARGER ELECTRICAL CHARACTERISTICS (continued)
Unless otherwise noted, VDD = 5.0V,VBATT = 3.6V, C_BATT = 4.7 µF, C_{CHG_DET} = 10 µF, R_IREF = 121 kΩ. Typical values and
limits appearing in normal type apply for T_J = 25°C. Limits appearing in boldface type apply over the entire junction
temperature range for operation, T_J = 0°C to +125°C. ^{(1)(2)(3)(4)(5)}
Symbol
Parameter
Conditions
Min
Typ
Max
Units
T_REG
Regulated Charger
Junction Temperature
105
115
125
°C
DETECTION AND TIMING
Symbol
Parameter
Conditions
I_EOC
End-of-Charge Current
I_PROG = 500 mA,
10% EOC Setting
I_PROG = 500 mA
5% EOC Setting
V_RESTARTl
T_{CHG_IN}
T_USB
Battery Restart Charging
Voltage
Deglitch Adapter Insertion
Deglitch USB Power
Insertion
V_TERM = 4.1V
V_TERM = 4.2V
V_TERM = 4.38V
T_{PQ_FULL}
Deglitch Time for Pre-
qualification to Full-rate
Charge Transition
T_{FULL_PQ}
Deglitch Time for Full-rate
to Pre-qualification
Transition
T_BATTLOWF
Deglitch Time for V_BATT
Falling below V_BATTLOW
Threshold
T_BATTLOWR
Deglitch Time for V_BATT
Rising above V_BATTLOW
Threshold
T_BATTEMP
Deglitch Time for Recovery
from Battery Temperature
Fault
T_{ONOFF_F}
Deglitching on Falling
Edge of ONOFF Pin
T_{ONOFF_R}
Deglitching on Rising Edge
of ONOFF Pin
T_RESTART
T_CCCV
Deglitching on Falling
V_BATT Crossing V_RESTART
Deglitching of CC->CV
Charging Transition
T_CvEOC
Deglitching of CV->EOC
(End of Charge)
T_POWERACK
Deglitching of POWERACK
Pin
T_TSHD
Deglitching of Thermal
Shutdown
T_TOPOFF
T_10HR
T_1HR
Topoff Timer
10 Hour Safety Timer
1 Hour Prequal Safety
Timer
Min
Typ
Max
Units
40
50
60
mA
20
25
30
mA
3.82
3.9V
3.94
3.94
4.0V
4.06
V
4.14
4.2 V
4.26
28
32
36
ms
28
32
36
ms
8
10
12
ms
8
10
12
ms
4
5
6
ms
4
5
6
ms
8
10
12
ms
28
32
36
ms
28
32
36
ms
8
10
12
ms
8
10
12
ms
8
10
12
ms
4
5
6
ms
2
ms
17
21
25
min
9
10
11
hours
0.9
1
1.1
hour
8
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