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PDF ISL78600 Data sheet ( Hoja de datos )
| Número de pieza | ISL78600 | |
| Descripción | Multi-Cell Li-Ion Battery Manager | |
| Fabricantes | Intersil | |
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DATASHEET
Multi-Cell Li-Ion Battery Manager
ISL78600
The ISL78600 Li-ion battery manager IC supervises up to 12
series connected cells. The part provides accurate monitoring,
cell balancing and extensive system diagnostics functions. Three
cell balancing modes are incorporated: Manual Balance mode,
Timed Balance mode, and Auto Balance mode. The auto balance
mode terminates balancing functions when a charge transfer
value specified by the host microcontroller has been met.
The ISL78600 communicates to a host microcontroller via an SPI
interface and to other ISL78600 devices using a robust,
proprietary, two-wire daisy chain system.
The ISL78600 is offered in a 64 Ld TQFP package and is
specified for operation at a temperature range of -40°C to
+105°C.
Applications
• Hybrid Electric Vehicle (HEV), Plug-in Hybrid Electric Vehicle
(PHEV) and Electric Vehicle (EV) battery packs
• Electric motorcycle battery packs
• Backup battery and energy storage systems requiring high
accuracy management and monitoring
• Portable and semiportable equipment
Features
• Up to 12-cell voltage monitors, support Li-ion CoO2, Li-ion
Mn2O4, and Li-ion FePO4 chemistries
• Board Level Cell voltage measurement accuracy ±1.5mV
• 13-bit cell voltage measurement
• Pack voltage measurement accuracy ±100mV
• 14-bit pack voltage and temperature measurements
• Cell voltage scan rate of 19.5µs per cell (234µs to scan
12 cells)
• Internal and external temperature monitoring
• Up to four external temperature inputs
• Robust daisy chain communications system
• Integrated system diagnostics for all key internal functions
• Hardwired and communications based fault notification
• Integrated watchdog shuts down device if communication is
lost
• 2Mbps SPI
• AEC-Q100 qualified
Related Literature
• UG078, “ISL78600EVKIT1Z Evaluation Kit User Guide”
VG1 VG1
ISL78600
DHi2
DLo2
TO OTHER DEVICES (OPTIONAL)
ISL78600
DHi2
DLo2
VG2 VG2
DHi1
DLo1
SCLK
DOUT
DIN
CS
DATA READY
FAULT
EN
HOST
MICRO
VG1
VG1
MONITOR BOARD (Master or Stand-alone)
VG2
MONITOR BOARD (Daisy Chain - Optional)
FIGURE 1. TYPICAL APPLICATION
April 19, 2016
FN7672.7
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC. 2012-2016 All Rights Reserved
Intersil is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
1 page  
Pin Configuration
ISL78600
ISL78600
(64 LD 10x10 TQFP)
TOP VIEW
CB10
VC9
CB9
VC8
CB8
VC7
CB7
VC6
CB6
VC5
CB5
VC4
CB4
VC3
CB3
VC2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48 DNC
47 EN
46 DATA READY
45 FAULT
44 DGND
43 COMMS RATE 0
42 COMMS RATE 1
41 COMMS SELECT 1
40 COMMS SELECT 2
39 DNC
38 BASE
37 DNC
36 V3P3
35 V2P5
34 VCC
33 REF
Pin Descriptions
PIN NAME
PIN NUMBER
DESCRIPTION
VC0, VC1, VC2, VC3, VC4,
VC5, VC6, VC7, VC8, VC9,
VC10, VC11, VC12
20, 18, 16, Battery cell voltage inputs. VCn connects to the positive terminal of CELLn and the negative terminal of
14, 12, 10, 8, CELLn+1. (VC12 connects only to the positive terminal of CELL12 and VC0 only connects with the negative
6, 4, 2, 64, 62, terminal of CELL1.)
60
CB1, CB2, CB3, CB4, CB5, 19, 17, 15, Cell Balancing FET control outputs. Each output controls an external FET, which provides a current path
CB6, CB7, CB8, CB9, CB10, 13, 11, 9, 7, 5, around the cell for balancing.
CB11, CB12
3, 1, 63, 61
VBAT
58, 59 Main IC Supply pins. Connect to the most positive terminal in the battery string.
VSS 21, 22 Ground. These pins connect to the most negative terminal in the battery string.
ExT1, ExT2, ExT3, ExT4
24, 26, 28, 30 External temperature monitor or general purpose inputs. The temperature inputs are intended for use with
external resistor networks using NTC type thermistor sense elements but may also be used as general
purpose analog inputs at the user’s discretion. 0V to 2.5V input range.
TEMPREG
29 Temperature monitor voltage regulator output. This is a switched 2.5V output, which supplies a reference
voltage to external NTC thermistor circuits to provide ratiometric ADC inputs for temperature measurement.
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5
FN7672.7
April 19, 2016
5 Page 
ISL78600
Electrical Specifications VBAT = 6 to 60V, TA = -20°C to +60°C, unless otherwise specified. Biasing setup as in
Figure 37 on page 28 or equivalent. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
(Note 8)
MAX
TYP (Note 8)
UNIT
Supply Current Specifications
VBAT Supply Current
IVBAT
Non-daisy chain configuration. Device enabled. No communications, ADC, measurement,
balancing or open-wire detection activity.
6V
70 90
µA
39.6V
73 95
µA
60V
73 96
µA
-40°C to +105°C (Note 9)
105 µA
IVBATMASTER Daisy chain configuration – master device. Enabled. No communications, ADC, measurement,
balancing or open-wire detection activity.
6V
400 550 660
µA
39.6V
500 650 900
µA
60V 550 710 1000 µA
-40°C to +105°C (Note 9)
1150
µA
Peak current when daisy chain transmitting
18 mA
IVBATMID Daisy chain configuration – Middle stack device. Enabled. No communications, ADC,
measurement, balancing or open-wire detection activity.
6V
700 1020 1210
µA
39.6V
900 1210 1560
µA
60V
1000 1340 1700
µA
-40°C to +105°C (Note 9)
1850
µA
Peak current when daisy chain transmitting
18 mA
IVBATTOP Daisy chain configuration – top device. Enabled. No communications, ADC, measurement,
balancing or open-wire detection activity.
6V
400 550 660
µA
39.6V
500 650 900
µA
60V 550 710 1000 µA
-40°C to +105°C (Note 9)
1150
µA
Peak current when daisy chain transmitting
18 mA
IVBATSLEEP1 Sleep mode (EN = 1, daisy chain configuration)
(Note 9)
6V
13 28 44 µA
39.6V
18 33 48 µA
60V 20 35 50 µA
-40°C to +105°C
120 µA
IVBATSLEEP2 Sleep mode (EN = 1, stand-alone, non-daisy chain)
(Note 9)
-40°C to +105°C
13.2
13.5
19 34.1
109
µA
µA
IVBATSHDN Shutdown. device “off” (EN = 0) (Daisy chain and non-daisy chain configurations)
(Note 9)
6V
6 13 28
µA
39.6V
7 15 29 µA
60V 7 16 30 µA
-40°C to +105°C
101 µA
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FN7672.7
April 19, 2016
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| PDF Descargar | [ Datasheet ISL78600.PDF ] | |
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