Texas Instruments BQ76942, Manual

Page: 9 / 85

7.3 Recommended Operating Conditions (continued)
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
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 55 V
V
IN
Input voltage range
(3)
PCHG, PDSG
the
maximum
of V
BAT
–9
or V
LD
–9
55 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
(5)
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
(5)
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+55
V
V
IN
Input voltage range 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 + 55
V
R
C
External cell input resistance
(3)
(6)
20 100 Ω
R
C
External cell input
capacitance
(3) (6)
0.1 0.22 1 µF
V
O
Output voltage range LD 55 V
V
O
Output voltage range
(5)
CHG, DSG, CP1 70 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 ≤ 10
(1) (2)
–5 5 mV
V
CELL(ACC)
Cell voltage measurement
accuracy
(5)
2 V < V
VC(x)
- V
VC(x-1)
< 5 V, T
A
= 0°C
to 60°C, 1 ≤ x ≤ 10
(1) (2)
–10 10 mV
V
CELL(ACC)
Cell voltage measurement
accuracy
(5)
–0.2 V < V
VC(x)
- V
VC(x-1)
< 5.5 V, T
A
= -40°C to 85°C, 1 ≤ x ≤ 10
(1) (2)
–15 15 mV
V
STACK(ACC)
Stack voltage (VC10 - VSS)
measurement accuracy
(5)
0 V < V
VC10
- V
VSS
≤ 55 V, T
A
=
-40°C to 85°C
(1)
–0.5 0.5 V
V
PACK(ACC)
PACK pin voltage measurement
accuracy
(5)
0 V < V
PACK
- V
VSS
≤ 55 V, T
A
=
-40°C to 85°C
(1)
–0.5 0.5 V
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BQ76942
SLUSE14B – DECEMBER 2020 – REVISED DECEMBER 2021
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