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7.3 Recommended Operating Conditions
Typical values stated where T
to 80 V (unless otherwise noted)
PARAMETER
V
Supply voltage
BAT
V
Supply voltage
BAT
OTP programming
T
OTP
temperature
V
Power-on reset
PORA
V
Power-on reset hysteresis
PORA_HYS
V
Wake on LD voltage
WAKEONLD
V
Wake on TS2 voltage
WAKEONTS2
V
Input voltage range
IN
V
Input voltage range
IN
V
Input voltage range
IN
V
Input voltage range
IN
V
Input voltage range
IN
V
Input voltage range
IN
V
Input voltage range
IN
V
Input voltage range
IN
V
Input voltage range
IN
External cell input resistance
R
C
(6)
External cell input
C
C
capacitance
V
Output voltage range
O
V
Output voltage range
O
T
Operating temperature
OPR
Cell voltage measurement
V
CELL(ACC)
accuracy
Copyright © 2021 Texas Instruments Incorporated
= 25°C and V
= 59.2 V, min/max values stated where T
A
BAT
(1)
TEST CONDITIONS
Voltage on BAT pin (normal
operation)
Voltage on BAT pin (OTP
(3)
programming)
(3)
Rising threshold on BAT
Device shuts down when BAT <
V
- V
PORA
Rising edge on LD, with BAT already
in valid range
Falling edge on TS2, with BAT
already in valid range. TS2 will be
weakly driven with a ≈ 5 V level
during shutdown.
(3)
PACK, LD
(3)
PCHG, PDSG
REG1, REG2, RST_SHUT, ALERT,
SCL, SDA, HDQ, CFETOFF,
DFETOFF, DCHG, DDSG, except
(3)
when the pin is being used for
general purpose ADC input or
thermistor measurement.
TS1, TS2, TS3, CFETOFF,
DFETOFF, DCHG, DDSG, ALERT,
(3)
HDQ, when the pin is configured for
general purpose ADC input or
thermistor measurement.
SRP, SRN, SRP-SRN (while
(3)
measuring current)
SRP, SRN (without measuring
(3)
current)
(3) (4)
V
VC(0)
(3)
V
1 ≤ x ≤ 4
VC(x),
(3)
V
x ≥ 5
VC(x),
(3)
(3) (6)
LD
(5)
CHG, DSG, CP1
(5)
2 V < V
VC(x)
25°C, 1 ≤ x ≤ 14
Product Folder Links:
SLUSE91A – SEPTEMBER 2020 – REVISED FEBRUARY 2021
PORA_HYS
maximum
or V
maximum
of V
maximum
of V
VSS + 2.0
- V
< 5 V, T
=
VC(x-1)
A
(2)
BQ769142
= -40°C to 85°C and V
A
MIN
TYP
MAX
4.7
10
-40
3
180
0.8
1.45
2.25
0.7
0
the
of V
-9
BAT
-19
LD
0
0
V
REG18
–0.2
–0.2
0.75
–0.2
minimum
of V
VC(x–1)
VC(x–
– 0.2 or
+5.5 or
1)
VSS–0.2
VSS+80
minimum
of V
VC(x–1)
VC(x–1)
– 0.2 or
+ 5.5 or
VSS + 80
20
0.1
0.22
–40
–5
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BQ769142
= 4.7 V
BAT
UNIT
80
V
12
V
45
°C
4
V
mV
V
1.1
V
80
V
80
V
5.5
V
V
0.2
V
V
0.5
V
V
V
100
Ω
1
µF
80
V
85
V
85
°C
5
mV
9
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