BQ24297 Datasheet, PDF (11/48 Pages) Texas Instruments – I2C Controlled 3A Single Cell USB Charger

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SLUSBP6A – SEPTEMBER 2013 – REVISED OCTOBER 2013
ELECTRICAL CHARACTERISTICS (continued)
V_{VBUS_UVLOZ} < V_VBUS < V_ACOV and V_VBUS > V_BAT + V_SLEEP, T_J = –40°C to 125°C and T_J = 25°C for typical values unless other
noted.
PARAMETER
VBHOT2_HYS
CHARGE OVER-CURRENT COMPARATOR
I_{HSFET_OCP}
HSFET cycle by cycle over-current
threshold
I_{BATFET_OCP}
V_{LSFET_UCP}
System over load threshold
LSFET charge under-current falling
threshold
F_SW
D_MAX
PWM Switching frequency, and digital clock
Maximum PWM duty cycle
V_{BTST_REFRESH}
Bootstrap refresh comparator threshold
TEST CONDITIONS
As Percentage to V_REGN REG06[3:2]= 10
(Approx. 3◦C w/ 103AT)
From sync mode to non-sync mode
VBTST-VSW when LSFET refresh pulse is
requested, VBUS=5V
MIN TYP
3
MAX UNITS
%
5.3
5.5
1300
7.5
6.6
100
1500
97
3.6
A
A
mA
1700 kHz
%
V
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