lx2208 Microsemi Corporation, lx2208 Datasheet - Page 3

• Manufacturer Part Number: lx2208
• Description: 2 Amp Three Level Lithium Ion Battery Charger
• Manufacturer: Microsemi Corporation

Copyright © 2007
Rev. 1.0, 2007-04-03
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40°C
following test conditions: V
INPUT CIRCUITRY
BATTERY CHARGER
LOGIC
BATTERY TEMPERATURE MONITOR
Input Voltage
Under Voltage Charging Lockout
IN UVLO Hysteresis
IN Input Supply Current
Constant Voltage Charging
Constant Voltage Charging
Constant Voltage Charging
Charge Current
Charge Current
Charge Current
Low Level Charge Current
20% Charge Current Ratio
Condition Current
Condition Current
Conditioning Current Threshold
Termination Current
Termination Current
Top Off Threshold
Top Off Threshold
Battery Drain Current
Battery Drain Current
Battery Drain Current
STAT High Output
STAT Low Output
Input Logic : SD,
Input Current : SD,
Output Logic :
Cold Threshold
Cold Threshold
Hot Threshold
Hot Threshold
TFB Disable Volt
TM
Parameter
DC
H/ L
H/ L
OK
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
,
20%
,
20%
IN
= 5.0V; V
E L E C T R I C A L C H A R A C T E R I S T I C S
SD
Symbol
V
V
LOG(OUT)
V
V
IN(UVLO)
V
V
V
V
V
V
V
V
V
V
V
V
= Low; V
I
I
I
I
I
I
I
I
I
I
I
I
I
V
LOG
I
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
STAT
STAT
BAT
BAT
BAT
BAT
BAT
BAT
LOG
TFB
TFB
TFB
TFB
TFB
IN
IN
SD = High (shutdown mode)
Rising input V
V
I
I
I
R
R
R
V
I(
V
V
Rising Battery Voltage
R
R
0 ° C
-40 ° C
V
V
V
V
V
Input Logic Threshold
Input Current, V
Input Current, V
Logic Hi Output, 10k Pull up to 3.3V
Logic Low Output, I
Rising Voltage
Falling Voltage
Falling Voltage
Rising Voltage
Analog Mixed Signal Group
H/
BAT
BAT
BAT
V
BAT
H/
BAT
BAT
BAT
BAT
SD
IN
IN
HCP
HCP
L
HCP
HCP
HCP
L
20%
=High (shutdown mode)
= 5.0V, I
= 5.0V, I
= High, V
< 100mA @ 25°C (4.5V to 5.5V)
< 100mA (4.5V to 5.5V)
< 100mA (4.35V to 6V)
= 4.2V (battery charged)
< V
< V
≤
= 4.2V (battery charged,
> V
= Low
= 3.57k
= 7.15k
Microsemi
= 3.57k
= 7.15k
= 15.8k
≤
T
CCT
CCT
IN
®
=
A
T
;
;
Low) / I (
≤
A
DRV
DRV
R
R
≤
BAT
HCP
HCP
20%
85 ° C
Test Conditions
= -5mA
= 5mA
LOG
LOG
85 ° C
2 Amp Three Level Lithium Ion Battery Charger
= 2.8V
=
=
= 2V
= 0V
LOG
= High; V
V
3.57k
7.15k
20%
= 10mA
= High
BAT
V
IN
P
= 3.6V; R
> 4.5V)
); V
RODUCTION
H/
L
= Low
HCP
=15.8k, R
D
1800
Min
4.35
4.18
4.16
4.10
70.5
900
400
408
450
2.9
2.5
4.2
3.2
18
50
25
96
96
72
27
28
70
-2
0
ATA
≤
LCP
LX2208
S
T
=15.8k; V
2000
1000
HEET
A
Typ
225
453
453
100
250
125
725
100
3.1
4.2
4.2
4.2
2.7
2.5
4.5
2.5
10
20
50
97
97
75
72
28
30
5
1
5
5
0
≤
85°C and the
2200
1100
1000
Max
4.22
4.24
4.24
98.5
76.5
500
476
150
150
3.3
2.9
0.5
0.5
TMP
50
22
75
98
15
15
74
30
31
LX2208
6
2
5
5
5
2
= 0V.
Units
% V
% V
% V
%V
mV
mA
mA
mA
mA
mA
mA
mA
mA
mA
mV
mV
µA
µA
µA
µA
µA
%
%
%
V
V
V
V
V
V
V
V
V
IN
IN
IN
IN
Page 3