15
bq25703A
www.ti.com
SLUSCU1A –MAY 2017–REVISED MAY 2018
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Electrical Characteristics (continued)
over T
J
= –40 to 125°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
BAT_SYSMIN_HYST
Fast charge mode to LDO
mode threshold hysteresis
as percentage of 0x0D/0C() 2.5%
BATTERY LOWV COMPARATOR (Pre-charge to Fast Charge Thresold for 1S)
V
BATLV_FALL
BATLOWV falling threshold 1 s 2.80 V
V
BATLV_RISE
BATLOWV rising threshold 3.00 V
V
BATLV_RHYST
BATLOWV hysteresis 200 mV
INPUT OVER-VOLTAGE COMPARATOR (ACOVP)
V
ACOV_RISE
VBUS overvoltage rising
threshold
VBUS rising 25 26 27 V
V
ACOV_FALL
VBUS overvoltage falling
threshold
VBUS falling 24 24.5 25 V
V
ACOV_HYST
VBUS overvoltage hysteresis 1.5 V
t
ACOV_RISE_DEG
VBUS overvoltage rising
deglitch
VBUS rising to stop
converter
100 µs
t
ACOV_FALL_DEG
VBUS overvoltage falling
deglitch
VBUS falling to start
converter
1 ms
INPUT OVER CURRENT COMPARATOR (ACOC)
V
ACOC
ACP to ACN rising threshold,
w.r.t. ILIM2 in REG0x37[7:3]
Voltage across input sense
resistor rising, Reg0x32[2] =
1
195% 210% 225%
V
ACOC_FLOOR
Measure between ACP and
ACN
Set IDPM to minimum 44 50 56 mV
V
ACOC_CEILING
Measure between ACP and
ACN
Set IDPM to maximum 172 180 188 mV
t
ACOC_DEG_RISE
Rising deglitch time
Deglitch time to trigger
ACOC
250 µs
t
ACOC_RELAX
Relax time
Relax time before converter
starts again
250 ms
SYSTEM OVER-VOLTAGE COMPARATOR (SYSOVP)
V
SYSOVP_RISE
System overvoltage rising
threshold to turn off converter
1 s 4.85 5 5.1
V
2 s 11.7 12 12.2
3 s 19 19.5 20
4 s 19 19.5 20
V
SYSOVP_FALL
System overvoltage falling
threshold
1 s 4.8
V
2 s 11.5
3 s 19
4 s 19
I
SYSOVP
Discharge current when
SYSOVP stop switching was
triggered
on SYS 20 mA
BAT OVER-VOLTAGE COMPARATOR (BATOVP)
V
BATOVP_RISE
Overvoltage rising threshold
as percentage of V
BAT_REG
in
REG0x05/04()
1 s, 4.2 V 102.5% 104% 106%
2 s - 4 s 102.5% 104% 105%
V
BATOVP_FALL
Overvoltage falling threshold
as percentage of VBAT_REG
in REG0x05/04()
1 s 100% 102% 104%
2 s - 4 s 100% 102% 103%
V
BATOVP_HYST
Overvoltage hysteresis as
percentage of V
BAT_REG
in
REG0x05/04()
1 s 2%
2 s - 4 s 2%
I
BATOVP
Discharge current during
BATOVP
on VSYS pin 20 mA
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