LTC1479 LINER [Linear Technology], LTC1479 Datasheet - Page 3

• Manufacturer Part Number: LTC1479
• Description: PowerPath Controller for Dual Battery Systems
• Manufacturer: LINER [Linear Technology]

DC ELECTRICAL CHARACTERISTICS
V
SYMBOL
DCIN Good Monitor
V
V
I
V
I
I
Battery Monitor
V
V
I
V
I
R
I
Gate Drivers
V
V
I
I
V
I
I
I
I
I
Charge Monitor
R
I
Digital Inputs
V
V
I
I
I
BIASDCDIV
PUDCGD
LKGDCGD
BIASBDIV
LKGLOBAT
LKGBATSW
BSENSE
BSENSE
PDSAB
PDSCD
PDSEF
PDSG
PDSH
LKGCMON
HIDIGIN
LODIGIN
PUDIGIN
THDCDIV
HYSDCDIV
LODCGD
THLOBAT
HYSLOBAT
LOLOBAT
GS(ON)
GS(OFF)
SENSE
HIDIGIN
LODIGIN
DCIN
ONBATSW
ONCMON
= 25V, V
+
–
PARAMETER
DCDIV Threshold Voltage
DCDIV Hysteresis Voltage
DCDIV Input Bias Current
DCINGOOD Output Low Voltage
DCINGOOD Pull-Up Current
DCINGOOD Leakage Current
Low-Battery Threshold Voltage
Low-Battery Hysteresis Voltage
BDIV Input Bias Current
LOBAT Output Low Voltage
LOBAT Output Leakage Current
Battery Switch ON Resistance
Battery Switch OFF Leakage
Gate-to-Source ON Voltage (GA to GF) (Modes 1, 2, 4, 5, 6) I
Gate-to-Source ON Voltage (GG, GH)
Gate-to-Source OFF Voltage
SENSE
SENSE
Inrush Current Limit Sense Voltage
SAB Pull-Down Current
SCD Pull-Down Current
SEF Pull-Down Current
SG Pull-Down Current
SH Pull-Down Current
CHGMON Switch ON Resistance
CHGMON Switch OFF Leakage
Input High Voltage
Input Low Voltage
Input Leakage Current
Input Leakage Current
Input Pull-Up Current
BAT1
+
–
Input Bias Current
Input Bias Current
= 16V, V
BAT2
= 12V, T
A
= 25 C unless otherwise noted. (Note 2)
CONDITIONS
(Mode 1) V
(Mode 1) V
(Mode 1) V
(Mode 1) V
(Mode 1) V
(Mode 1) V
(Modes 5, 6) V
(Modes 5, 6) V
(Modes 5, 6) V
(Modes 5, 6) V
(Modes 5, 6) Each Switch Tested Independently
(Modes 5, 6) Each Switch Tested Independently
(Modes 2, 4) I
(Modes 1, 5, 6)
(Modes 1, 5, 6)
(Modes 1, 5, 6)
(Modes 5, 6) V
(Mode 1) V
(Mode 1) V
(Modes 5, 6) Each Switch Tested Independently
(Modes 5, 6) Each Switch Tested Independently
(Mode 1) All Digital Inputs
(Mode 1) All Digital Inputs, V
(Mode 1) V
(Mode 1) V
(Modes 5, 6) V
(Modes 1, 2, 4, 5, 6) I
(Mode 1) V
(Mode 1) V
(Mode 1) All Digital Inputs
DCDIV
DCDIV
DCDIV
DCDIV
DCDIV
DCDIV
SCD
SEF
SG
SH
DIGINX
DIGINX
GS
= 10V
= 10V
BDIV
BDIV
BDIV
BDIV
BDIV
SAB
= 10V
= 10V
Rising from 1V to 1.5V
Falling from 1.5V to 1V
= 1.5V
= 1V, I
= 1.5V, V
= 1.5V, V
= –1 A
= 0V (Note 3)
= 0V (Note 4)
= 10V
Falling from 1.5V to 1V
Rising from 1V to 1.5V
= 1.5V
= 1V, I
= 1.5V, V
GS
GS
DCINGOOD
= –1 A
= 100 A
LOBAT
DCINGOOD
DCINGOOD
LOBAT
DIGINX
= 100 A
= 100 A
= 7V
= 7V
= 0V
= 7V
1.190
1.190
0.15
MIN
200
5.0
4.5
10
10
30
30
30
50
0
1
0
5
5
2
1
1.215
1.215
0.20
TYP
100
400
100
100
150
0.1
0.1
5.5
5.2
35
20
35
20
15
15
0
2
3
3
2
LTC1479
1.240
1.240
MAX
0.25
800
300
300
300
250
0.4
0.4
7.0
7.0
0.4
0.8
50
50
30
30
6
6
1
1
1
1
1
1
UNITS
3
mV
mV
mA
mA
nA
nA
V
V
A
A
V
V
A
A
V
V
V
A
A
V
A
A
A
A
V
V
A
A
A