ISL78610 Datasheet, PDF (11/98 Pages) Intersil Corporation – Multi-Cell Li-Ion Battery Manager

ISL78610
Electrical Specifications V_BAT = 6 to 60V, T_A = -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)
MAX
TYP (Note 8) UNIT
Over-Temperature Protection Specifications
Internal Temperature Limit Threshold
T_INTSD
Balance stops and auto scan stops.
Temperature rising or Falling.
150
°C
External Temperature Limit Threshold
Fault Detection System Specifications
T_XT
Corresponding to 0V (minimum) and V_TEMPREG
0
(maximum)
External temperature input voltages higher than
15/16 V_TEMPREG are registered as open input faults.
16383 Decimal
Undervoltage Threshold
V_UV
Programmable. Corresponding to 0V (minimum) and
0
5V (maximum)
8191 Decimal
Overvoltage Threshold
V_OV
Programmable. Corresponding to 0V (minimum) and
0
5V (maximum)
8191 Decimal
V3P3 Power-Good Window
V2P5 Power-Good Window
VCC Power-Good Window
V_REF Power-Good Window
V_REF Reference Accuracy Test
V_3PH
V_3PL
V_2PH
V_2PL
V_VCCH
V_VCCL
V_RPH
V_RPL
V_RACC
3.3V power-good window high threshold.
V_BAT = 39.6V
3.3V power-good window low threshold.
V_BAT = 39.6V
2.5V power-good window high threshold.
V_BAT = 39.6V
2.5V power-good window low threshold.
V_BAT = 39.6V
VCC power-good window high threshold.
V_BAT = 39.6V
VCC power-good window low threshold.
V_BAT = 39.6V
V_REF power-good window high threshold.
V_BAT = 39.6V
V_REF power-good window low threshold.
V_BAT = 39.6V
V_REF value calculated using stored coefficients.
V_BAT = 39.6V
(See “Voltage Reference Check Calculation” on
page 79.)
3.90
V
2.65
V
2.7
V
2.0
V
3.75
V
2.7
V
2.7
V
2.30
V
2.500
V
Voltage Reference Check Timeout
t_VREF
Time to check voltage reference value from
power-on, enable or wake-up
20
ms
Oscillator Check Timeout
t_OSC
Time to check main oscillator frequency from
power-on, enable or wake-up
20
ms
Oscillator Check Filter Time
Fast Oscillator
t_OSCF
Minimum duration of fault required for detection
Oscillator frequency
100
ms
3.4
4
4.6
MHz
Slow Oscillator
Oscillator frequency
27.2
32
36.8
kHz
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
I_OW
t_OW
V_VC0
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)
0.125 0.150 0.185
mA
0.85
1.00 1.15
mA
4.6
ms
1.2
1.5
1.8
V
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FN8830.1
June 16, 2016