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BQ769142
SLUSE91A – SEPTEMBER 2020 – REVISED FEBRUARY 2021
Typical values stated where T
to 80 V (unless otherwise noted)
PARAMETER
Overcurrent in discharge (OCD1,
V
(OCD)
OCD2) voltage threshold ranges
Overcurrent (OCC, OCD1, OCD2)
V
detection voltage threshold
(OC_ACC)
(4)
accuracy
Overcurrent (OCC, OCD1, OCD2)
V
detection delay (independent delay
(OC_DLY)
setting for each protection)
(1)
Operation with V
up to 80 V is supported when the charge pump is not in operation. Whenever the charge pump is in operation (in
BAT
5.5 V or 11 V mode), the maximum voltage on V
their maximum specified voltage.
(2)
Measured by fault triggered using 100 ms detection delay.
(3)
Cell balancing not active. Timing of overvoltage and undervoltage protection checks is modified when cell balancing is in progress.
(4)
Specified by a combination of characterization and production test
7.27 Timing Requirements - I
Typical values stated where T
to 80 V (unless otherwise noted)
PARAMETER
f
Clock operating frequency
SCL
t
START condition hold time
HD:STA
t
Low period of the SCL clock
LOW
t
High period of the SCL clock
HIGH
t
Setup repeated START
SU:STA
t
Data hold time (SDA input)
HD:DAT
t
Data setup time (SDA input)
SU:DAT
(2)
t
Clock rise time
r
(2)
t
Clock fall time
f
t
Setup time STOP condition
SU:STO
t
Bus free time STOP to START
BUF
2
(2)
t
I
C bus reset
RST
(3)
R
Pullup resistor
PULLUP
(1)
Operation with V
up to 80 V is supported when the charge pump is not in operation. Whenever the charge pump is in operation (in
BAT
5.5 V or 11 V mode), the maximum voltage on V
their maximum specified voltage.
(2)
Specified by design
(3)
Specified by characterization
7.28 Timing Requirements - I
Typical values stated where T
to 80 V (unless otherwise noted)
PARAMETER
f
Clock operating frequency
SCL
t
START condition hold time
HD:STA
22
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= 25°C and V
= 59.2 V, min/max values stated where T
A
BAT
(1)
Nominal settings, thresholds based on
V
- V
SRP
SRN
|Setting| < 20 mV
|Setting| = 20 mV ~ 56 mV
|Setting| = 56 mV ~ 100 mV
|Setting| > 100 mV
Nominal setting (3.3 ms steps)
should be reduced to ensure the voltage on CP1, CHG, and DSG does not exceed
BAT
2
C Interface, 100kHz Mode
= 25°C and V
= 59.2 V, min/max values stated where T
A
BAT
(1)
(2)
SCL duty cycle = 50%
(2)
(2)
(2)
(2)
(2)
(2)
10% to 90%
90% to 10%
(2)
(2)
Bus interface is reset if SCL is detected
low for this duration
Pullup voltage rail ≤ 5 V
should be reduced to ensure the voltage on CP1, CHG, and DSG does not exceed
BAT
2
C Interface, 400kHz Mode
= 25°C and V
= 59.2 V, min/max values stated where T
A
BAT
(1)
(2)
SCL duty cycle = 50%
(2)
Product Folder Links:
TEST CONDITIONS
TEST CONDITIONS
TEST CONDITIONS
BQ769142
www.ti.com
= -40°C to 85°C and V
A
BAT
MIN
TYP
MAX
–4 mV to
–200 mV
in 2 mV
steps
–2
2.65
–4
4
–5
5
–7
5
10 ms to
425 ms
in 3.3 ms
steps
= -40°C to 85°C and V
A
BAT
MIN
TYP
MAX
100
4.0
4.7
4.0
4.7
0
250
1000
300
4.0
4.7
1.9
2.1
1.5
= -40°C to 85°C and V
A
BAT
MIN
TYP
MAX
400
0.6
Copyright © 2021 Texas Instruments Incorporated
= 4.7 V
UNIT
mV
mV
mV
mV
mV
ms
= 4.7 V
UNIT
kHz
µs
µs
µs
µs
ns
ns
ns
ns
µs
µs
s
kΩ
= 4.7 V
UNIT
kHz
µs
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