Typical values stated where T
A
= 25°C and V
BAT
= 55.0 V, min/max values stated where T
A
= -40°C to 85°C and V
BAT
= 4.7 V
to 55 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
(UVP_ACC)
Undervoltage detection voltage
threshold accuracy
T
A
= +25°C, nominal setting between
±1.3
mV
T
A
= +25°C, nominal setting between
–10
10
mV
T
A
= –10°C to +60°C, nominal setting
±1.4
mV
T
A
= –10°C to +60°C, nominal setting
–15
15
mV
T
A
= –40°C to +85°C, nominal setting
±1.6
mV
T
A
= –40°C to +85°C, nominal setting
–25
25
mV
V
(UVP_DLY)
Nominal setting (3.3 ms steps)
10 ms to
6753 ms
in 3.3 ms
steps
ms
V
(SCD)
Short circuit in discharge voltage
threshold range
Nominal settings, threshold based on
V
SRP
- V
SRN
–10,
–20,
–40,
–60,
–80,
–100,
–125,
–150,
–175,
–200,
–250,
–300,
–350,
–400,
–450,
–500
mV
V
(SCD_ACC)
Short circuit in discharge voltage
threshold detection accuracy
T
A
= –40°C to +85°C, V
(SCD)
settings ≤
–20 mV
–15
15
% of
nominal
threshold
T
A
= –40°C to +85°C, V
(SCD)
settings >
–20 mV
–35
35
% of
nominal
threshold
V
(SCD_DLY)
Short circuit in discharge detection
delay
Fastest setting (with 3 mV on V
SRN
–
V
SRP
)
8
µs
Fastest setting (with 25 mV on V
SRN
–
V
SRP
)
600
ns
Nominal setting (15 µs steps)
15 µs to
450 µs in
15 µs
steps
µs
V
(OCC)
Overcurrent in charge (OCC) voltage
threshold range
Nominal settings, threshold based on
V
SRP
– V
SRN
4 mV to
124 mV
in 2 mV
steps
mV
V
(OCD)
Overcurrent in discharge (OCD1,
OCD2) voltage threshold ranges
Nominal settings, thresholds based on
V
SRP
– V
SRN
–4 mV to
–200 mV
in 2 mV
steps
mV
SLUSE14B – DECEMBER 2020 – REVISED DECEMBER 2021
20
Copyright © 2021 Texas Instruments Incorporated
Summary of Contents for BQ76942
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