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BQ24193 Datasheet(PDF) 8 Page - Texas Instruments

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Part # BQ24193
Description  I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ24193 Datasheet(HTML) 8 Page - Texas Instruments

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bq24193
SLUSBG7 – DECEMBER 2014
www.ti.com
Electrical Characteristics (continued)
VVBUS_UVLOZ < VVBUS < VACOV and VVBUS > VBAT + VSLEEP, TJ = –40°C to 125°C and TJ = 25°C for typical values unless other
noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT VOLTAGE/CURRENT REGULATION
VINDPM_REG_ACC Input voltage regulation accuracy
–2%
2%
USB100
85
100
mA
USB150
125
150
mA
USB Input current regulation limit, VBUS = 5 V,
IUSB_DPM
current pulled from SW
USB500
440
500
mA
USB900
750
900
mA
IADPT_DPM
Input current regulation accuracy
Input current limit 1.5 A
1.4
1.5
1.6
A
IIN_START
Input current limit during system start up
VSYS < 2.2 V
100
mA
KILIM
IIN = KILIM/RILIM
IINDPM = 1.5 A
440
485
530
A x
Ω
BAT OVER-VOLTAGE PROTECTION
VBATOVP
Battery over-voltage threshold
VBAT rising, as percentage of VBAT_REG
104%
VBATOVP_HYST
Battery over-voltage hysteresis
VBAT falling, as percentage of VBAT_REG
2%
Battery over-voltage deglitch time to disable
tBATOVP
1
µs
charge
THERMAL REGULATION AND THERMAL SHUTDOWN
TJunction_REG
Junction temperature regulation accuracy
REG06[1:0] = 11
115
120
125
°C
TSHUT
Thermal shutdown rising temperature
Temperature increasing
160
°C
TSHUT_HYS
Thermal shutdown hysteresis
30
°C
Thermal shutdown rising deglitch
Temperature increasing delay
1
ms
Thermal shutdown falling deglitch
Temperature decreasing delay
1
ms
JEITA THERMISTER COMPARATOR (bq24193)
T1 (0°C) threshold, Charge suspended T1 below
70.8
VT1
VTS rising, As percentage to VREGN
70.2%
71.4%
this temperature.
%
Charge back to ICHG/2 and 4.2 V above this
VT1_HYS
Hysteresis, VTS falling
0.6%
temperature
T2 (10°C) threshold, Charge back to ICHG/2 and
68.6
VT2
VTS rising, as percentage of VREGN
68.0%
69.2%
4.2 V below this temperature
%
Charge back to ICHG and 4.2 V above this
VT2_HYS
Hysteresis, VTS falling
0.8%
temperature
T3 (45°C) threshold, Charge back to ICHG and 4.05
56.1
VT3
VTS falling, as percentage of VREGN
55.5%
56.7%
V above this temperature
%
Charge back to ICHG and 4.2 V below this
VT3_HYS
Hysteresis, VTS rising
0.8%
temperature
T5 (60°C) threshold, charge suspended above this
48.1
VT5
VTS falling, as percentage of VREGN
47.6%
48.6%
temperature
%
Charge back to ICHG and 4.05 V below this
VT5_HYS
Hysteresis, VTS rising
1.2%
temperature
CHARGE OVER-CURRENT COMPARATOR
IHSFET_OCP
HSFET over-current threshold
5.3
7
A
IBATFET_OCP
System over load threshold
9
A
CHARGE UNDER-CURRENT COMPARATOR (CYCLE-BY-CYCLE)
VLSFET_UCP
LSFET charge under-current falling threshold
From sync mode to non-sync mode
100
mA
PWM OPERATION
FSW
PWM Switching frequency, and digital clock
1300
1500
1700
kHz
DMAX
Maximum PWM duty cycle
97%
VBTST-VSW when LSFET refresh pulse is
3.6
requested, VBUS = 5 V
VBTST_REFRESH
Bootstrap refresh comparator threshold
V
VBTST-VSW when LSFET refresh pulse is
4.2
requested, VBUS > 6 V
BOOST MODE OPERATION
VOTG_REG
OTG output voltage
I(VBUS) = 0
5.00
V
VOTG_REG_ACC
OTG output voltage accuracy
I(VBUS) = 0
–2%
2%
8
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