MAX1666S Datasheet, PDF (3/16 Pages) Maxim Integrated Products – Advanced Lithium-Ion Battery-Pack Protector

Advanced Lithium-Ion
Battery-Pack Protector
ELECTRICAL CHARACTERISTICS (continued)
(V_SRC = 16V, each cell voltage V_CELL = 3.6V, 330kΩ load at REF, T_A = 0°C to +85°C, unless otherwise noted. Typical values are at
T_A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Overcurrent Fault Timer Delay
Overdischarge/Overcharge
Current Fault Blanking Time
t_P-DELAY
t_I-DELAY
330
550
770
ms
1.6
2.4
3.2
ms
DSO, CGO, UVO Output Sink
Current
No faults, V _DSO = V _CGO = V_UVO = 1V to 27V
20
30
40
µA
DSO, CGO Output Source
Current
V _DSO = V _SRC - 4V and V _CGO = V _SRC - 4V,
fault condition
2
10
mA
DSO, CGO, UVO Leakage
Current
V _DSO = V _CGO = V_UVO = 27V, fault condition
0.2
µA
TKO Pull-Down Resistance
TKO Source Current
DSI, CGI Input High Voltage
DSI, CGI Input Low Voltage
DSI, CGI Input Current
WRN Sink Current
PKF Sink Current
PKF, WRN Leakage Current
Undervoltage, Overvoltage, or
Mismatch Fault, to DSO, CGO,
TKO Transition Delay
TKO = GND
Referenced to PKN
Referenced to PKN
V_DSI, V_CGI = 5V
Fault condition, V _WRN = 0.4V
Fault condition, V _PKF = 0.4V
V _PKF = V _WRN = 27V
t_F-DELAY
Fault persistent for 4 consecutive sample
periods
100
200
kΩ
1
8
mA
2
V
0.45
V
1
µA
2
4
mA
4
8
mA
0.2
µA
180
320
460
ms
ELECTRICAL CHARACTERISTICS
(V_SRC = 16V, each cell voltage V_CELL = 3.6V, 330kΩ load at REF, T_A = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
Charge Mode Detection
Threshold
V_SRC - V_{B_P}
1
SRC Input Current Range
V_SRC - V_{B_P} = 1V to 4V
10
Supply Current
I_SUP
No faults, long time average current from the
top battery terminal B_P
45
Shutdown Supply Current
V_CC Output Voltage
I_SHDN
V_CC
R_LOAD ≥ 665Ω, 2V < V_CELL < 4.4V
1
3.09
3.41
V_CC Undervoltage Lockout
Threshold
2.7
3
Overvoltage Threshold
Undervoltage Threshold
OVA, UVA, MMA Leakage
OVA = GND
OVA = REF
UVA = GND
UVA = REF
OVA, UVA, MMA = REF
3.975
4.373
1.950
2.925
4.025
4.427
2.050
3.075
20
UNITS
V
µA
µA
µA
V
V
V
V
nA
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