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6.18 Charge and Discharge FET Drivers (continued)
Typical values stated where T
to 27.5 V (unless otherwise noted)
PARAMETER
DSG FET driver off
R
(DSG_OFF)
resistance
CHG detector
V
(CHG_DETECT)
threshold
CHG detector
V
(CHG_DET_HYS)
hysteresis
6.19 Comparator-Based Protection Subsystem
Typical values stated where T
to 27.5 V (unless otherwise noted)
PARAMETER
Short circuit in discharge voltage
V
(SCD)
threshold range
Short circuit in discharge voltage
V
(SCD_ACC)
threshold detection accuracy
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= 25°C and V
= 18.5 V, min/max values stated where T
A
BAT
TEST CONDITIONS
DSG off and pin held at 100 mV
CHG pin voltage rising
= 25°C and V
= 18.5 V, min/max values stated where T
A
BAT
Nominal settings, threshold based on
V
– V
SRP
–10 mV setting
–20 mV setting
(2)
–40 mV setting
Settings –60 mV to -500 mV
Product Folder Links:
TEST CONDITIONS
SRN
BQ76905
BQ76905
SLUSE97 – NOVEMBER 2023
= -40°C to 110°C and V
A
BAT
MIN
TYP
MAX
15
30
1.2
1.8
0.95
= -40°C to 110°C and V
A
BAT
MIN
TYP
MAX
–10,
–20,
–40,
–60,
–80,
–100,
–125,
–150,
–175,
–200,
–250,
–300,
–350,
–400,
–450,
–500
–36
22
threshold
–19
12
threshold
–14
6
threshold
–11
6
threshold
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= 3 V
UNIT
Ω
V
V
= 3 V
UNIT
mV
% of
nominal
% of
nominal
% of
nominal
% of
nominal
17
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