LP3918TLX-A/NOPB National Semiconductor, LP3918TLX-A/NOPB Datasheet - Page 10

• Manufacturer Part Number: LP3918TLX-A/NOPB
• Description: IC PMU BATT CHRGR/REG 25USMD
• Manufacturer: National Semiconductor

Specifications of LP3918TLX-A/NOPB

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 25-UFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LP3918TLX-A

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V
V
V
I
I
I
V
I
V
I
T
Detection and Timing (Note 7)
T
T
T
T
CHG
PREQUAL
CHG_USB
EOC
MON
REG
POK
PQ_FULL
CHG
EOC
CHG-IN
OK_CHG
TERM
FULL_RATE
RESTART
Charger Electrical Characteristics
Unless otherwise noted, V
settings unless otherwise noted. Typical values and limits appearing in normal type apply for T
boldface type apply over the entire junction temperature range for operation, T
Symbol
Input Voltage Range
Operating Range
CHG_IN OK trip-point
Battery Charge
Termination voltage
V
Fast Charge Current
Accuracy
Programmable full-rate
charge current range
(default 100mA)
Charge current
programming step
Pre-qualification current
CHG_IN programmable
current in USB mode
Full-rate qualification
threshold
End of Charge Current, %
of full-rate current
Restart threshold voltage V
I
I
Regulated junction
temperature
Power OK deglitch time
Deglitch time
Charge timer
Deglitch time for end-of-
charge transition
MON
MON
TERM
Voltage 1
Voltage 2
CHG-IN
voltage tolerance
Parameter
= 5V, V
IN
( = VIN1 = VIN2 = BATT) = 3.6V.C
V
V
Default
T
T
I
6.0V
V
V
(Note 10)
Default
V
5.5V
V
V
Default = 100mA
V
to full-rate charging
0.1C option selected
full-rate charge mode. Default options
selected - 4.05V
I
I
(Note 7)
V
Pre-qualification to full-rate charge
transition
Precharge mode
Full Rate Charging Timeout
Constant Voltage Timeout
CHG
CHG
CHG
J
J
CHG_IN
CHG_IN
BATT
FULL_RATE
BATT
BATT
FULL_RATE
BATT
BATT
BATT
= 25°C
= 0°C to 85°C
= 450mA
≥
≥
= 100mA
= 450mA
< (V
< (V
= 2V
rising, transition from pre-qual
falling, transition from EOC to
< (V
V
V
- V
- V
CHG_IN
CHG_IN
CHG_IN
CHG_IN
CC
BATT
BATT
< V
< V
Condition
- V
BATT
BATT
≥
≥
(Rising)
(Falling)
OK_CHG
10
- V
- V
4.5V
4.5V
< V
< V
OK_CHG
OK_CHG
TERM
TERM
)
)
)
Low
High
CHG_IN
a
= T
= 10µF, C
J
= −25°C to +85°C. (Notes 6, 9)
0.247
1.112
4.05
Typ
200
100
100
450
100
115
230
230
4.2
3.0
50
50
50
10
32
1
5
5
BATT
J
= 25°C. Limits appearing in
= 30µF. Charger set to default
0.947
-0.35
3.97
Min
4.5
4.5
-10
2.9
50
40
-1
Limit
+0.35
1.277
Max
4.13
+10
950
6.5
3.1
+1
60
6
Units
mV
mA
mA
mA
mS
mS
Hrs
mS
°C
%
%
%
V
V
V
V
V