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| BQ27742-G1 Datasheet, PDF (9/46 Pages) Texas Instruments – Single-Cell Li-Ion Battery Fuel Gauge with Programmable Hardware Protection | |||
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6.9 Overvoltage Protection (OVP)
TA = 25°C and CREG25 = 1.0 µF (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VOVP
VOVPREL
tOVP
OVP detection voltage
threshold
OVP release voltage
OVP delay time
TA = 25°C
TA = 0°C to 25°C
TA = 25°C to 50°C
TA = â40°C to 85°C
TA = 25°C
TA = 0°C to 25°C
TA = 25°C to 50°C
TA = â40°C to 85°C
TA = â40°C to 85°C
bq27742-G1
SLUSBV9C â MARCH 2014 â REVISED FEBRUARY 2016
MIN
VOVP â 0.016
VOVP â 0.033
VOVP â 0.028
VOVP â 0.063
VOVPREL â 0.022
VOVPREL â 0.033
VOVPREL â 0.028
VOVPREL â 0.063
tOVP â 5%
TYP
VOVP
VOVP
VOVP
VOVP
VOVP â 0.215
VOVP â 0.215
VOVP â 0.215
VOVP â 0.215
tOVP
MAX
VOVP + 0.016
VOVP + 0.030
VOVP + 0.024
VOVP + 0.045
VOVPREL + 0.022
VOVPREL + 0.030
VOVPREL + 0.024
VOVPREL + 0.045
tOVP + 5%
UNIT
V
V
s
6.10 Undervoltage Protection (UVP)
TA = 25°C and CREG25 = 1.0 µF (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VUVP
VUVPREL
tUVP
UVP detection voltage
threshold
UVP release voltage
UVP delay time
TA = 25°C
TA = â5°C to 50°C
TA = â40°C to 85°C
TA = 25°C
TA = â5°C to 50°C
TA = â40°C to 85°C
TA = â40°C to 85°C
MIN
VUVP â 0.022
VUVP â 0.030
VUVP â 0.050
VUVPREL â 0.022
VUVPREL â 0.030
VUVPREL â 0.050
tUVP â 5%
TYP
VUVP
VUVP
VUVP
VUVP + 0.105
VUVP + 0.105
VUVP + 0.105
tUVP
MAX
VUVP + 0.022
VUVP + 0.030
VUVP + 0.050
VUVPREL + 0.022
VUVPREL + 0.030
VUVPREL + 0.050
tUVP + 5%
UNIT
V
V
ms
6.11 Overcurrent in Discharge (OCD)
TA = 25°C, CREG25 = 1.0 µF, and VVPWR = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
VOCD
tOCD
OCD detection voltage
threshold
OCD delay time
TA = 25°C
VSRN â VSRP
TA = â20°C to 60°C
VSRN â VSRP
TA = â40°C to 85°C
VSRN â VSRP
TA = â40°C to 85°C
VOCD â 3
0.98 * VOCD â
3.125
0.98 * VOCD â 3.5
tOCD â 5%
TYP
MAX
VOCD
VOCD
VOCD + 3
1.02 * VOCD +
3.125
VOCD
tOCD
1.02 * VOCD + 3.5
tOCD + 5%
UNIT
mV
ms
6.12 Overcurrent in Charge (OCC)
TA = 25°C, CREG25 = 1.0 µF, and VVPWR = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
VOCC
tOCC
OCC detection voltage
threshold
OCC delay time
TA = 25°C
VSRP â VSRN
TA = â20°C to 60°C
VSRP â VSRN
TA = â40°C to 85°C
VSRP â VSRN
TA = â40°C to 85°C
VOCC â 3
0.98 * VOCC â
3.125
0.98 * VOCC â 3.5
tOCC â 5%
TYP
MAX
VOCC
VOCC
VOCC + 3
1.02 * VOCC +
3.125
VOCC
tOCC
1.02 * VOCC + 3.5
tOCC + 5%
UNIT
mV
ms
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Product Folder Links: bq27742-G1
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