Texas Instruments BQ769142, Manual

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