Texas Instruments BQ769142, Руководство пользователя

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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
ΔV
O(LINE)
Line regulation
ΔV
REG1
vs (V
REG1
at 25°C, V
REGIN
=
5.5 V, I
REG1
= 20 mA), as V
REGIN
varies
from 5 V to 6 V, V
REG1
set to nominal
3.3 V setting
–1 1 %
I
SC
Regulator short-circuit current limit V
REG1
= 0 V 47 80 mA
C
EXT
External capacitor REG1 to VSS
(2)
1 µF
(1) Operation with V
BAT
up to 80 V is supported when the charge pump is not in operation. Whenever the charge pump is in operation (in
5.5 V or 11 V mode), the maximum voltage on V
BAT
should be reduced to ensure the voltage on CP1, CHG, and DSG does not exceed
their maximum specified voltage.
(2) Specified by design
7.13 REG2 LDO
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
REG2_1.8
Regulator voltage (nominal 1.8V setting) V
REGIN
≥ 3.0 V, I
REG2
= 0 mA to 45 mA 1.6 1.84 2 V
V
REG2_2.5
Regulator voltage (nominal 2.5V setting) V
REGIN
≥ 3.5 V, I
REG2
= 0 mA to 45 mA 2.25 2.55 2.75 V
V
REG2_3.0
Regulator voltage (nominal 3.0V setting) V
REGIN
≥ 3.8 V, I
REG2
= 0 mA to 45 mA 2.7 3.06 3.3 V
V
REG2_3.3
Regulator voltage (nominal 3.3V setting) V
REGIN
≥ 4.1 V, I
REG2
= 0 mA to 45 mA 3.0 3.38 3.6 V
V
REG2_5.0
Regulator voltage (nominal 5.0V setting) V
REGIN
≥ 5.0 V, I
REG2
= 0 mA to 45 mA 4.5 5.23 5.5 V
ΔV
O(TEMP)
Regulator output over temperature
ΔV
REG2
vs (V
REG2
at 25°C, I
REG2
= 20
mA, V
REGIN
= 5.5 V, V
REG2
set to
nominal 3.3 V setting)
±0.25 %
ΔV
O(LINE)
Line regulation
ΔV
REG2
vs (V
REG2
at 25°C, V
REGIN
=
5.5 V, I
REG2
= 20 mA), as V
REGIN
varies
from 5 V to 6 V, V
REG2
set to nominal
3.3 V setting
–1 1 %
I
SC
Regulator short-circuit current limit V
REG2
= 0 V 47 80 mA
C
EXT
External capacitor REG2 to VSS
(2)
1 µF
(1) Operation with V
BAT
up to 80 V is supported when the charge pump is not in operation. Whenever the charge pump is in operation (in
5.5 V or 11 V mode), the maximum voltage on V
BAT
should be reduced to ensure the voltage on CP1, CHG, and DSG does not exceed
their maximum specified voltage.
(2) Specified by design
7.14 Voltage References
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
VOLTAGE REFERENCE 1
V
(REF1)
Internal reference voltage
(2)
T
A
= 25°C 1.210 1.212 1.214 V
V
(REF1DRIFT)
Internal reference voltage drift
(2) (4)
T
A
= -10°C to 60°C ±10 PPM/°C
V
(REF1DRIFT)
Internal reference voltage drift
(2) (4)
T
A
= -40°C to 85°C ±10 PPM/°C
VOLTAGE REFERENCE 2
V
(REF2)
Internal reference voltage
(3)
T
A
= 25°C 1.23 1.24 1.25 V
V
(REF2DRIFT)
Internal reference voltage drift
(3) (4)
T
A
= -10°C to 60°C ±20 PPM/°C
V
(REF2DRIFT)
Internal reference voltage drift
(3) (4)
T
A
= -40°C to 85°C ±50 PPM/°C
(1) Operation with V
BAT
up to 80 V is supported when the charge pump is not in operation. Whenever the charge pump is in operation (in
5.5 V or 11 V mode), the maximum voltage on V
BAT
should be reduced to ensure the voltage on CP1, CHG, and DSG does not exceed
their maximum specified voltage.
BQ769142
SLUSE91A – SEPTEMBER 2020 – REVISED FEBRUARY 2021
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