參數(shù)資料
型號: LTC1760
廠商: Linear Technology Corporation
英文描述: Dual Smart Battery System Manager
中文描述: 雙智能電池系統(tǒng)管理
文件頁數(shù): 4/44頁
文件大小: 379K
代理商: LTC1760
LTC1760
4
sn1760 1760is
The
G
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
DCIN
= 20V, V
BAT1
= 12V, V
BAT2
= 12V, V
VDDS
= 3.3V, V
VCC2
= 5.2V
unless otherwise noted.
ELECTRICAL CHARACTERISTICS
V
STEP
V
LIMIT
V
DAC
Granularity
Charging Voltage Limit
(Note 7)
16
8432
12640
16864
21056
32768
mV
mV
mV
mV
mV
mV
R
VLIMIT
= 0 (Short V
LIMIT
to GND)
R
VLIMIT
= 10k
±
1%
R
VLIMIT
= 33k
±
1%
R
VLIMIT
= 100k
±
1%
R
VLIMIT
= Open (or Short V
LIMIT
to V
CC2
)(Note 13)
G
G
G
G
G
8400
12608
16832
21024
8464
12672
16896
21088
Charge Mux Switches
t
ONC
t
OFFC
GCH1/GCH2 Turn-On Time
GCH1/GCH2 Turn-Off Time
V
GCHX
– V
SCHX
> 3V, C
LOAD
= 3000pF
V
GCHX
– V
SCHX
< 1V, from Time of
V
CSN
< V
BATX
– 30mV, C
LOAD
= 3000pF
I
LOAD
= 1
μ
A
V
GCH1
– V
SCH1
V
GCH2
– V
SCH2
I
LOAD
=10
μ
A
V
GCH1
– V
SCH1
V
GCH2
– V
SCH2
V
BATX
– V
CSN
, 5V
V
BATX
28V
V
CSN
– V
BATX
,
5V
V
BATX
28V
V
GCHX
– V
SCHX
= 1.5V
5
10
ms
μ
s
15
V
CON
CH Gate Clamp Voltage
GCH1
GCH2
CH Gate Off Voltage
GCH1
GCH2
CH Switch Reverse Turn-Off Voltage
CH Switch Forward Regulation Voltage
GCH1/GCH2 Active Regulation:
Max Source Current
Max Sink Current
BATX Voltage Below Which
Charging is Inhibited (Does Not Apply
to Wake-Up Mode)
PowerPath Switches
t
DLY
Blanking Period after UVLO Trip
t
PPB
Blanking Period after LOPWR Trip
t
ONPO
GB1O/GB2O/GDCO Turn-On Time
5
5
5.8
5.8
7
7
V
V
V
COFF
–0.8
–0.8
5
15
–0.4
–0.4
20
35
0
0
V
V
V
TOC
V
FC
G
40
60
mV
mV
G
I
OC(SRC)
I
OC(SNK)
V
CHMIN
–2
2
μ
A
μ
A
V
3.5
4.7
Switches Held Off
Switches in 3-Diode Mode
V
GS
< –3V, from Time of Battery/DC
Removal, or LOPWR Indication, C
LOAD
= 3000pF
V
GS
> –1V, from Time of Battery/DC
Removal, or LOPWR Indication, C
LOAD
= 3000pF
I
LOAD
= 1
μ
A
Highest (V
BAT1
or V
SCP
) – V
GB1O
Highest (V
BAT2
or V
SCP
) – V
GB2O
Highest (V
DCIN
or V
SCP
) – V
GDCO
I
LOAD
= –25
μ
A
Highest (V
BAT1
or V
SCP
) – V
GB1O
Highest (V
BAT2
or V
SCP
) – V
GB2O
Highest (V
DCIN
or V
SCP
) – V
GDCO
V
SCP
– V
BATX
or V
SCP
– V
DCIN
6V
V
SCP
28V
V
BATX
– V
SCP
or V
DCIN
– V
SCP
6V
V
SCP
28V
(Note 3)
250
1
5
ms
sec
μ
s
G
10
t
OFFPO
GB1O/GB2O/GDCO Turn-Off Time
G
3
7
μ
s
V
PONO
Output Gate Clamp Voltage
GB1O
GB2O
GDCO
Output Gate Off Voltage
GB1O
GB2O
GDCO
PowerPath Switch Reverse
Turn-Off Voltage
PowerPath Switch Forward
Regulation Voltage
GDCI/GB1I/GB2I Active Regulation:
Source Current
Sink Current
4.75
4.75
4.75
6.25
6.25
6.25
7
7
7
V
V
V
V
POFFO
0.18
0.18
0.18
20
0.25
0.25
0.25
60
V
V
V
V
TOP
G
5
mV
V
FP
G
0
25
50
mV
I
OP(SRC)
I
OP(SNK)
–4
75
μ
A
μ
A
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
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