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LTC2949 Datasheet(PDF) 13 Page - Analog Devices

Part # LTC2949
Description  Current, Voltage, and Charge Monitor for High Voltage Battery Packs
PDF  80 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC2949 Datasheet(HTML) 13 Page - Analog Devices

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LTC2949
13
Rev A
For more information www.analog.com
BLOCK DIAGRAM
50
50
50
50
7
5
CF1P
I1P
I1M
CF1M
VBATP
VBATM
1
FAST
CF2P
I2P
I2M
CF2M
CF1P
CF1M
CF2P
CF1M
AVCC
AUX
MOD
V1-V7
V8-V12 /
GPIO1-GPIO5
VREF1
1.2V
VREF2
2.39V
ISO26262
DIAGNOSTICS
AGND
2.5
VREF
OSC
CLKO
CLKI
ALU
CURRENT 1
CURRENT 1 THRESHOLDS
CURRENT 1 TRACKING
POWER 1
POWER 1 THRESHOLDS
POWER 1 TRACKING
POWER 2
POWER 2 THRESHOLDS
POWER 2 TRACKING
CURRENT 2
CURRENT 2 THRESHOLDS
CURRENT 2 TRACKING
CONTROL
STATUS
CHARGE & ENERGY THRESHOLDS
ENERGY 1 & 2
CHARGE & ENERGY TRACKING
BATTERY VOLTAGE
BATTERY VOLTAGE THRESHOLDS
BATTERY VOLTAGE TRACKING
FAST FIFO
TEMPERATURE
CHARGE 1 & 2
CURRENT HISTORY
... SEE REGISTER MAP...
SCK/IP
CSB/IM
SDO/IBIAS
SDI/ICMP
IOVCC
SCL
SDA
P1
MOD
I1
MOD
I2
MOD
P2
MOD
1
1
P or V
P or V
SLOW
18 BIT, 100ms
15 BIT, 0.78ms
18 BIT, 100ms
15 BIT, 0.78ms
18 BIT, 100ms
15 BIT, 0.78ms
18 BIT, 100ms
15 BIT, 0.78ms
15 BIT, 0.78ms
AUX/MUX
VCC
TEMP
14 BIT, 6.5ms
13 BIT, 13ms
MUXP
MUXN
A/DVCC
SENSOR
TEMP
SENSOR
IPT
IMT
VREF2
VREF1*
AGND
DGND*
VREF**
BYP2*
BYP1*
DEGLITCH FILTER
FAST
SLOW
FAST
SLOW
FAST
SLOW
IPT
IMT
IPT
IMT
OCC2
OCC1
DEGLITCH FILTER
LDO1
BYP2
BYP1
DVCC
AVCC
LDO2
* Measured value not accessible by user. Only used for internal diagnostics.
** VREF measurement value is only accessible by user from the AUX slow channel.
See also section 'Unused Input Pins V1-V12' for recommendation to allow VREF measurement from AUX fast channel.
See also 'Table 57. MUX Settings' for more details on AUX MUX configuration.



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