Reg0 Pre-Regulator; Reg1 Ldo - Texas Instruments 3 Series Manual

High accuracy battery monitor and protector for li-ion, li-polymer, and lifepo4 battery packs
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Typical values stated where T
to 80 V (unless otherwise noted)
PARAMETER
V
Regulator voltage
REG18
ΔV
Regulator output over temperature
O(TEMP)
ΔV
Line regulation
O(LINE)
ΔV
Load regulation
O(LOAD)
I
Regulator short-circuit current limit
SC
(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

7.11 REG0 Pre-regulator

Typical values stated where T
to 80 V (unless otherwise noted)
PARAMETER
Pre-regulator control voltage
V
BREG_HDRM
headroom ( min(V
Pre-regulator voltage, when
V
REGIN_INT
generated using BREG
Pre-regulator voltage when using
V
REGIN_EXT
externally supplied REGIN
ΔV
Regulator output over temperature
O(TEMP)
Maximum current driven out from
I
Max
(4)
BREG
External capacitor REGIN to VSS
C
EXT
(4)
C
External capacitor BREG to VSS
BREG
(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)
Supported output current is limited for V
(3)
Capacitance should be above 7 nF after consideration for aging and derating.
(4)
Specified by design

7.12 REG1 LDO

Typical values stated where T
to 80 V (unless otherwise noted)
PARAMETER
V
Regulator voltage (nominal 1.8V setting)
REG1_1.8
V
Regulator voltage (nominal 2.5V setting)
REG1_2.5
V
Regulator voltage (nominal 3.0V setting)
REG1_3.0
V
Regulator voltage (nominal 3.3V setting)
REG1_3.3
V
Regulator voltage (nominal 5.0V setting)
REG1_5.0
Copyright © 2021 Texas Instruments Incorporated
= 25°C and V
= 59.2 V, min/max values stated where T
A
BAT
(1)
ΔV
vs (V
REG18
mA, V
BAT
ΔV
vs (V
REG18
V), I
REG18
specified range
ΔV
vs (V
REG18
= 0 mA to 1 mA, at 25°C
V
= 0 V
REG18
should be reduced to ensure the voltage on CP1, CHG, and DSG does not exceed
BAT
= 25°C and V
= 59.2 V, min/max values stated where T
A
BAT
(1)
V
≥ 4.7 V
BAT
(4)
- V
) )
BAT
BREG
V
> 8 V, although specific requirement
BAT
depends on external device selected
See requirements based on settings of
(4)
REG1 and REG2
ΔV
vs V
REGIN
mA, V
BAT
Under short circuit conditions (V
V)
(3)
(4)
should be reduced to ensure the voltage on CP1, CHG, and DSG does not exceed
BAT
< 5.5 V. V
STACK
REGIN
= 25°C and V
= 59.2 V, min/max values stated where T
A
BAT
(1)
V
REGIN
V
REGIN
V
REGIN
V
REGIN
V
REGIN
Product Folder Links:
SLUSE13A – JANUARY 2020 – REVISED MAY 2021
TEST CONDITIONS
at 25°C), I
= 1
REG18
REG18
= 55 V
at 25°C, V
= 55
REG18
BAT
= 1 mA, as V
varies across
BAT
, V
= 55 V), I
REG18
BAT
REG18
TEST CONDITIONS
at 25°C, I
= 50
REGIN
REGIN
> 8 V
= 0
REGIN
limited to ~2.5 V below V
BAT
TEST CONDITIONS
≥ 3.0 V, I
= 0 mA to 45 mA
REG1
≥ 3.5 V, I
= 0 mA to 45 mA
REG1
≥ 3.8 V, I
= 0 mA to 45 mA
REG1
≥ 4.1 V, I
= 0 mA to 45 mA
REG1
≥ 5.0 V, I
= 0 mA to 45 mA
REG1
BQ76952
= -40°C to 85°C and V
A
MIN
TYP
MAX
1.6
1.8
±0.15
–0.6
0.5
–1.5
1.5
3
= -40°C to 85°C and V
A
MIN
TYP
MAX
1.5
1.91
5
5.5
5.8
5.5
±0.05
2.5
3.33
15
22
150
.
= -40°C to 85°C and V
A
MIN
TYP
MAX
1.6
1.84
2.25
2.55
2.75
2.7
3.05
3.3
3
3.36
3.6
4.5
5.19
5.5
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BQ76952
= 4.7 V
BAT
UNIT
2
V
%
%
%
14
mA
= 4.7 V
BAT
UNIT
V
V
V
%
mA
27
nF
pF
= 4.7 V
BAT
UNIT
2
V
V
V
V
V
13

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