ISL9216 Datasheet, PDF (8/33 Pages) Intersil Corporation – 8 to 12 Cell Li-Ion Battery Overcurrent Protection and Analog Front End Chip Set

ISL9216, ISL9217
Operating Specifications All Specifications Apply to Both the ISL9216 and ISL9217 Separately Over the Recommended Operating
Conditions, Unless Otherwise Specified. (Continued)
DESCRIPTION
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OVER-TEMPERATURE PROTECTION SPECIFICATIONS
Internal Temperature Shutdown
Threshold
T_INTSD
115
°C
Internal Temperature Hysteresis
T_HYS
Temperature drop needed to restore
operation after an over-temperature
shutdown.
105
°C
Internal Over-Temperature Turn-on Delay
Time
T_ITD
128
ms
External Temperature Output Current
I_XT Current output capability at TEMP3V pin
1.2
mA
(ISL9216 only)
External Temperature Limit Threshold
T_XTF Voltage at V_TEMPI (ISL9216 only);
-20
0
+20
mV
Relative to:
V_{-----T----E----M------P----3----V--}
13
.
(Falling
edge)
External Temperature Limit Hysteresis
External Temperature Monitor Delay
T_XTH
t_XTD
Voltage at V_TEMPI (ISL9216 only).
Delay between activating the external
sensor and the internal over-temp
detection. (ISL9216 only)
60
110
1
External Temperature Autoscan On Time t_XTAON TEMP3V is ON (3.3V) (ISL9216 only)
5
External Temperature Autoscan Off Time t_XTAOFF TEMP3V output is off. (ISL9216 only)
635
ANALOG OUTPUT SPECIFICATIONS
Cell Monitor Analog Output Voltage
Accuracy
V_AO6A [V_CELL1 - (V_SS)]/2 - AO
-25
[V_CELLN - (V_CELLN-1)]/2 - AO for N = 1 to 5.
(ISL9216 only)
V_AO6B V_CELL6 - AO.
-42
(ISL9216 only)
V_AO7A [V_CELL1 - (V_SS)]/2 - AO
-20
[V_CELLN - (V_CELLN-1)]/2 - AO for N = 1 to 5.
(ISL9217 only)
V_AO7B [V_CELLN - (V_CELLN-1)]/2 - AO for N = 6 to 7.
-32
(ISL9217 only)
Cell Monitor Analog Output External
Temperature Accuracy
V_AOXT External temperature monitoring accuracy.
-10
Voltage error at AO when monitoring TEMPI
voltage (measured with TEMPI = 1V)
Internal Temperature Monitor Output
V_INTMON Internal temperature monitor voltage
-3.5
Voltage Slope
change
Internal Temperature Monitor Output
T_INT25 Output at +25°C
1.31
AO Output Stabilization Time
t_VSC
From SCL falling edge at data bit 0 of
command to AO output stable within 0.5%
of final value. AO voltage steps from 0V to
2V. (Note 6)
CELL BALANCE SPECIFICATIONS
Cell Balance Transistor r_DS(ON)
R_CB (Note 5)
5
Cell Balance Transistor Current
I_CB
160
mV
ms
ms
ms
30
mV
58
mV
25
mV
43
mV
10
mV
mV/°C
V
0.1
ms
Ω
200
mA
8
FN6488.1
November 2, 2007