ISL78600 Datasheet, PDF (10/22 Pages) Intersil Corporation – Multi-Cell Li-Ion Battery Manager

ISL78600
Electrical Specifications V_BAT = 6 to 60V, T_A = -20°C to +60°C, unless otherwise specified. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
(Note 7)
Internal Temperature Monitor Resolution
T_INTRES
Internal Temperature Monitor Output
T_INT25
OVER-TEMPERATURE PROTECTION SPECIFICATIONS
Output resolution (LSB/°C). 14-bit number.
Output count at +25°C
Internal Temperature Limit Threshold
T_INTSD Balance stops and auto scan stops.
Temperature rising or Falling.
External Temperature Limit Threshold
T_XT Corresponding to 0V (min) and V_TEMPREG (max)
0
External temperature input voltages higher than 15/16
V_TEMPREG are registered as open input faults.
FAULT DETECTION SYSTEM SPECIFICATIONS
Undervoltage Threshold
V_UV Programmable. Corresponding to 0V (min) and 5V
0
(max)
Overvoltage Threshold
V_OV Programmable. Corresponding to 0V (min) and 5V
0
(max)
V3P3 Power-good Window
V_3PH 3.3V power-good window high threshold. V_BAT = 39.6V 3.79
-40°C to +105°C (Note 9)
3.7
V_3PL 3.3V power-good window low threshold. V_BAT = 39.6V 2.57
-40°C to +105°C (Note 9)
2.5
V2P5 Power-good Window
V_2PH
2.5V power-good window high threshold. V_BAT = 39.6V
-40°C to +105°C (Note 9)
2.62
2.616
V_2PL 2.5V power-good window low threshold. V_BAT = 39.6V 1.96
(Note 9)
-40°C to +105°C
1.90
VCC Power-good Window
V_VCCH VCC power-good window high threshold. V_BAT = 39.6V
3.6
-40°C to +105°C (Note 9)
3.6
V_VCCL VCC power-good window low threshold. V_BAT = 39.6V
2.6
-40°C to +105°C (Note 9)
2.55
V_REF Power-good Window
V_RPH
V_REF power-good window high threshold. V_BAT = 39.6V
-40°C to +105°C (Note 9)
2.525
2.525
V_RPL V_REF power-good window low threshold. V_BAT = 39.6V 2.15
-40°C to +105°C (Note 9)
2.0
V_REF Reference Accuracy Test
Voltage Reference Check Timeout
V_RACC
t_VREF
V_REF value calculated using stored coefficients.
V_BAT = 39.6V
Time to check voltage reference value from power-on,
enable or wakeup
Oscillator Check Timeout
t_OSC Time to check main oscillator frequency from
power-on, enable or wakeup
Oscillator Check Filter Time
CELL OPEN WIRE DETECTION
t_OSCF Minimum duration of fault required for detection
Open Wire Current
Open Wire Detection Time
Open VC0 Detection Threshold
Open VC1 Detection Threshold
I_OW
t_OW
V_VC0
V_VC1
ISCN bit = 0; V_BAT = 39.6V
ISCN bit = 1; V_BAT = 39.6V
Open wire current source “on” time
CELL1 negative terminal (with respect to VSS)
V_BAT = 39.6V (Note 9)
CELL1 positive terminal (with respect to VSS)
V_BAT = 39.6V (Note 9)
0.125
0.85
1.2
0.6
TYP
31.9
9180
MAX
(Note 7) UNITS
LSB/°C
Decimal
150
°C
16383 Decimal
8191 Decimal
8191 Decimal
3.89 3.99
V
4.05
V
2.64 2.71
V
2.8
V
2.7 2.766
V
2.77
V
2.02 2.08
V
2.14
V
3.74 3.9
V
4.0
V
2.7
2.8
V
2.85
V
2.7
2.9
V
2.9
V
2.30 2.465
V
2.5
V
2.500
V
20
ms
20
ms
100
ms
0.15 0.185 mA
1.0 1.15
mA
4.6
ms
1.5
1.8
V
0.7
0.8
V
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FN7672.6
January 20, 2015