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PDF ISL78610 Data sheet ( Hoja de datos )
| Número de pieza | ISL78610 | |
| Descripción | Multi-Cell Li-Ion Battery Manager | |
| Fabricantes | Intersil | |
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DATASHEET
Multi-Cell Li-Ion Battery Manager
ISL78610
The automotive grade ISL78610 12-cell battery pack monitor
can be used as a stand-alone battery monitor or as a
redundant back-up device in an ASIL compliant system. It
supervises up to 12 series connected cells and features cell
voltage and temperature monitoring along with system
diagnostics.
The ISL78610 communicates to a host microcontroller via an
SPI interface and to other ISL78610 devices using a robust,
proprietary, two-wire daisy chain system.
The ISL78610 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
• Cell voltage measurement accuracy ±10mV
• 13-bit cell voltage measurement
• 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
• Integrated watchdog shuts down device if communication is
lost
• 2Mbps SPI
• AEC-Q100 qualified
Related Literature
• UG077, “ISL78610EVKIT1Z Evaluation Kit User Guide”
VG1 VG1
ISL78610
DHi2
DLo2
TO OTHER DEVICES (OPTIONAL)
ISL78610
VG2 VG2
DHi2
DLo2
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
June 16, 2016
FN8830.1
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 2016. All Rights Reserved
Intersil (and design) 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
ISL78610
ISL78610
(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
SYMBOL
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.
Submit Document Feedback
5
FN8830.1
June 16, 2016
5 Page 
ISL78610
Electrical Specifications VBAT = 6 to 60V, TA = -20°C to +85°C, unless otherwise specified. Biasing setup as in
Figure 45 on page 26 or equivalent. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
(Note 8)
TYP
Over-Temperature Protection Specifications
Internal Temperature Limit Threshold
TINTSD
Balance stops and auto scan stops.
Temperature rising or Falling.
150
External Temperature Limit Threshold
Fault Detection System Specifications
TXT Corresponding to 0V (minimum) and VTEMPREG
(maximum)
External temperature input voltages higher than
15/16 VTEMPREG are registered as open input faults.
0
Undervoltage Threshold
VUV Programmable. Corresponding to 0V (minimum) and
5V (maximum)
0
Overvoltage Threshold
VOV Programmable. Corresponding to 0V (minimum) and
5V (maximum)
0
V3P3 Power-Good Window
V2P5 Power-Good Window
VCC Power-Good Window
VREF Power-Good Window
VREF Reference Accuracy Test
V3PH
V3PL
V2PH
V2PL
VVCCH
VVCCL
VRPH
VRPL
VRACC
3.3V power-good window high threshold.
VBAT = 39.6V
3.3V power-good window low threshold.
VBAT = 39.6V
2.5V power-good window high threshold.
VBAT = 39.6V
2.5V power-good window low threshold.
VBAT = 39.6V
VCC power-good window high threshold.
VBAT = 39.6V
VCC power-good window low threshold.
VBAT = 39.6V
VREF power-good window high threshold.
VBAT = 39.6V
VREF power-good window low threshold.
VBAT = 39.6V
VREF value calculated using stored coefficients.
VBAT = 39.6V
(See “Voltage Reference Check Calculation” on
page 79.)
3.90
2.65
2.7
2.0
3.75
2.7
2.7
2.30
2.500
Voltage Reference Check Timeout
tVREF
Time to check voltage reference value from
power-on, enable or wake-up
20
Oscillator Check Timeout
tOSC Time to check main oscillator frequency from
power-on, enable or wake-up
20
Oscillator Check Filter Time
Fast Oscillator
tOSCF
Minimum duration of fault required for detection
Oscillator frequency
100
3.4 4
Slow Oscillator
Oscillator frequency
27.2 32
Cell Open-Wire Detection (See “Scan Wires Command” on page 41, and “Open-wire Test” on page 73.)
Open-Wire Current
Open-Wire Detection Time
Open VC0 Detection Threshold
IOW
tOW
VVC0
ISCN bit = 0; VBAT = 39.6V
ISCN bit = 1; VBAT = 39.6V
Open-wire current source “on” time
CELL1 negative terminal (with respect to VSS)
VBAT = 39.6V (Note 9)
0.125
0.85
1.2
0.150
1.00
4.6
1.5
MAX
(Note 8)
16383
8191
8191
4.6
36.8
0.185
1.15
1.8
UNIT
°C
Decimal
Decimal
Decimal
V
V
V
V
V
V
V
V
V
ms
ms
ms
MHz
kHz
mA
mA
ms
V
Submit Document Feedback 11
FN8830.1
June 16, 2016
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ISL78610.PDF ] | |
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