ltc1760 Linear Technology Corporation, ltc1760 Datasheet - Page 4

• Manufacturer Part Number: ltc1760
• Description: Dual Smart Battery System Manager
• Manufacturer: Linear Technology Corporation

LTC1760
ELECTRICAL CHARACTERISTICS
SYMBOL
V
V
Charge Mux Switches
t
t
V
V
V
V
I
I
V
PowerPath Switches
t
t
t
t
V
V
V
V
I
I
4
temperature range, otherwise specifications are at T
unless otherwise noted.
ONC
OFFC
OC(SRC)
OC(SNK)
DLY
PPB
ONPO
OFFPO
OP(SRC)
OP(SNK)
STEP
LIMIT
CON
COFF
TOC
FC
CHMIN
PONO
POFFO
TOP
FP
PARAMETER
V
Charging Voltage Limit
(Note 7)
GCH1/GCH2 Turn-On Time
GCH1/GCH2 Turn-Off Time
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)
Blanking Period after UVLO Trip
Blanking Period after LOPWR Trip
GB1O/GB2O/GDCO Turn-On Time
GB1O/GB2O/GDCO Turn-Off Time
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
DAC
Granularity
CONDITIONS
R
R
R
R
R
V
V
V
I
V
V
I
V
V
V
V
V
Switches Held Off
Switches in 3-Diode Mode
V
Removal, or LOPWR Indication, C
V
Removal, or LOPWR Indication, C
I
Highest (V
Highest (V
Highest (V
I
Highest (V
Highest (V
Highest (V
V
6V ≤ V
V
6V ≤ V
(Note 3)
LOAD
LOAD
LOAD
LOAD
A
GCHX
GCHX
CSN
GCH1
GCH2
GCH1
GCH2
BATX
CSN
GCHX
GS
GS
SCP
BATX
VLIMIT
VLIMIT
VLIMIT
VLIMIT
VLIMIT
= 25°C. V
< –3V, from Time of Battery/DC
> –1V, from Time of Battery/DC
– V
< V
– V
= 1µA
=10µA
= 1µA
= –25µA
– V
– V
– V
– V
– V
– V
– V
– V
– V
SCP
SCP
= 0 (Short V
= 10k ±1%
= 33k ±1%
= 100k ±1%
= Open (or Short V
The
BATX
BATX
BATX
CSN
SCP
SCHX
SCHX
SCH1
SCH2
SCH1
SCH2
SCHX
BAT1
BAT2
DCIN
BAT1
BAT2
DCIN
≤ 28V
≤ 28V
●
, 5V ≤ V
, 5V ≤ V
or V
or V
DCIN
– 30mV, C
> 3V, C
< 1V, from Time of
= 1.5V
or V
or V
or V
or V
or V
or V
denotes the specifications which apply over the full operating
SCP
DCIN
= 20V, V
SCP
SCP
SCP
SCP
SCP
SCP
LIMIT
BATX
BATX
– V
LOAD
– V
) – V
) – V
) – V
) – V
) – V
) – V
LOAD
DCIN
to GND)
SCP
≤ 28V
≤ 28V
LIMIT
GB1O
GB2O
GDCO
GB1O
GB2O
GDCO
= 3000pF
BAT1
= 3000pF
to V
LOAD
LOAD
= 12V, V
CC2
= 3000pF
= 3000pF
)(Note 13)
BAT2
= 12V, V
●
●
●
●
●
●
●
●
●
●
●
12608
16832
21024
8400
–0.8
–0.8
4.75
4.75
4.75
MIN
3.5
15
5
5
5
5
0
VDDS
= 3.3V, V
12640
16864
21056
32768
8432
–0.4
–0.4
6.25
6.25
6.25
0.18
0.18
0.18
TYP
250
5.8
5.8
–2
–4
16
15
20
35
20
25
75
5
2
1
5
3
VCC2
12672
16896
21088
8464
MAX
0.25
0.25
0.25
4.7
10
40
60
10
60
50
7
7
0
0
7
7
7
7
= 5.2V
UNITS
1760f
mV
mV
mV
mV
mV
mV
mV
mV
sec
mV
mV
ms
ms
µA
µA
µA
µA
µs
µs
µs
V
V
V
V
V
V
V
V
V
V
V