BQ25703A Datasheet, PDF (12/81 Pages) Texas Instruments – I2C Multi-Chemistry Battery Buck-Boost Charge Controller With System Power Monitor and Processor Hot Monitor

bq25703A
SLUSCU1 – MAY 2017
Electrical Characteristics (continued)
over T_J = –40 to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Adapter only with system
power = 19.5 V / 45 W, T_A =
0 to 85°C
V_{PSYS_ACC}
PSYS gain accuracy
(REG0x31[1] = 1)
Adapter only with system
power = 19.5 V / 45 W, T_A =
–40 to 125°C
Battery only with system
power = 11 V / 44 W, T_A = 0
to 85°C
Battery only with system
power = 11 V / 44 W, T_A =
–40 to 125°C
V_{PSYS_CLAMP}
COMPARATOR
PSYS clamp voltage
VBUS UNDER VOLTAGE LOCKOUT COMPARATOR
V_{VBUS_UVLOZ}
VBUS undervoltage rising
threshold
VBUS rising
V_{VBUS_UVLO}
VBUS undervoltage falling
threshold
VBUS falling
V_{VBUS_UVLO_HYST}
VBUS undervoltage
hysteresis
V_{VBUS_CONVEN}
VBUS converter enable rising
threshold
VBUS rising
V_{VBUS_CONVENZ}
VBUS converter enable falling
threshold
VBUS falling
V_{VBUS_CONVEN_HYST}
VBUS converter enable
hysteresis
BATTERY UNDER VOLTAGE LOCKOUT COMPARATOR
V_{VBAT_UVLOZ}
VBAT undervoltage rising
threshold
VSRN rising
V_{VBAT_UVLO}
VBAT undervoltage falling
threshold
VSRN falling
V_{VBAT_UVLO_HYST}
VBAT undervoltage
hysteresis
V_{VBAT_OTGEN}
VBAT OTG enable rising
threshold
VSRN rising
V_{VBAT_OTGENZ}
VBAT OTG enable falling
threshold
VSRN falling
V_{VBAT_OTGEN_HYST}
VBAT OTG enable hysteresis
VBUS UNDER VOLTAGE COMPARATOR (OTG MODE)
V_{VBUS_OTG_UV}
VBUS undervoltage falling
threshold
As percentage of
REG0x07/06()
t_{VBUS_OTG_UV}
VBUS undervoltage deglitch
time
VBUS OVER VOLTAGE COMPARATOR (OTG MODE)
V_{VBUS_OTG_OV}
VBUS overvoltage rising
threshold
As percentage of
REG0x07/06()
t_{VBUS_OTG_OV}
VBUS Over-Voltage Deglitch
Time
V_{BAT_SYSMIN_RISE}
LDO mode to fast charge
mode threshold, VSRN rising
as percentage of 0x0D/0C()
V_{BAT_SYSMIN_FALL}
LDO mode to fast charge
mode threshold, VSRN falling
as percentage of 0x0D/0C()
12
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MIN
–5%
–7%
–5%
–6%
3
TYP
MAX UNIT
5%
6%
5%
6%
3.3 V
2.34
2.2
3.2
2.9
2.35
2.2
3.3
3
98%
2.55
2.77 V
2.4
2.6 V
150
mV
3.5
3.9 V
3.2
3.5 V
400
mV
2.55
2.4
150
3.55
3.2
350
85.0%
7
2.75 V
2.6 V
mV
3.75 V
3.4 V
mV
ms
105%
10
100%
97.5%
ms
102%
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