ltc6803g-3 Linear Technology Corporation, ltc6803g-3 Datasheet - Page 4

• Manufacturer Part Number: ltc6803g-3
• Description: Ltc6803-1/ltc6803-3 - Multicell Battery Stack Monitor
• Manufacturer: Linear Technology Corporation

LTC6803-1/LTC6803-3
ELECTRICAL CHARACTERISTICS
SYMBOL
V
V
I
I
I
I
I
I
Voltage Mode Timing Specifications
t
t
t
t
t
t
t
t
t
Timing Specifications
t
t
t
t
4
temperature range, otherwise specifications are at T
B
S
QS
CS
SD
OW
CYCLE
1
2
3
4
5
6
7
8
PD1
PD2
PD3
PD4
REF2
REG
PARAMETER
2nd Reference Voltage
Regulator Pin Voltage
Regulator Pin Short-Circuit Limit
Input Bias Current
Supply Current, Measure Mode
(Note 7)
Supply Current, Standby
Supply Current, Serial I/O
Supply Current, Hardware Shutdown
Discharge Switch-On Resistance
Current Used for Open-Wire Detection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Measurement Cycling
SDI Valid to SCKI Rising Setup
SDI Valid to SCKI Rising Hold
SCKI Low
SCKI High
CSBI Pulse Width
CSBI Falling to SCKI Rising
CSBI Falling to SDO Valid
SCKI Falling to SDO Valid
Clock Frequency
Watchdog Timer Timeout Period
CSBI to CSBO
SCKI to SCKO
SDI to SDOI Write Delay
SDI to SDOI Read Delay
CONDITIONS
10V < V
I
In/Out of Pins C1 Through C12
Current Into the V
Current Into V
Port Pin at Logic “1”
LTC6803IG
LTC6803HG
Current Into V
Communications, All Serial Port Pins at Logic “0”.
V
LTC6803IG
LTC6803HG
Current Out of V
(Note 8)
V
Time Required to Measure 12 Cells
Time Required to Measure 10 Cells
Time Required to Measure 3 Temperatures
Time Required to Measure 1 Cell or Temperature
C
C
C
C
LOAD
MODE
CELL
CSBO
SCKO
SDOI
SDO
When Measuring Cell
When Not Measuring Cell
Continuous Measuring (CDC = 2)
Continuous Measuring (CDC = 2)
Measure Every 130ms (CDC = 5)
Measure Every 500ms (CDC = 6)
Measure Every 2 Seconds (CDC = 7)
= 150pF
= 4mA
> 3V (Note 3)
= 150pF
= 150pF
= 150pF
= “0”, This Current is Added to I
A
+
= 25°C. V
< 50V, No Load
+
+
The
Pin During Serial
Pin When In Standby, All Serial
–
, V
+
l
Pin When Measuring
C12
+
denotes the specifications which apply over the full operating
= 43.2V, V
= 43.2V, V
–
+
= 0V, unless otherwise noted.
Floating
S
or I
QS
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.25
MIN
–10
620
600
190
140
250
400
400
400
100
100
2.1
4.5
4.5
3.1
2.8
1.0
55
10
70
11
10
8
8
6
6
3
3
9
1
0.001
TYP
780
780
250
175
110
145
2.5
2.5
5.0
5.0
3.9
3.9
3.9
3.4
1.2
70
12
12
12
13
11
1
5
1000
1150
MAX
2.75
16.5
360
250
105
140
250
600
300
300
300
2.9
5.5
4.3
4.5
4.9
4.1
1.4
2.5
10
18
19
20
15
13
1
1
Seconds
UNITS
680313f
MHz
mA
mA
mA
mA
ms
ms
ms
ms
µA
nA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
°C
°C
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Ω
V
V
V
V