BQ24190_15 Datasheet, PDF (8/52 Pages) Texas Instruments – bq2419x I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG

bq24190, bq24192, bq24192I
SLUSAW5B – JANUARY 2012 – REVISED DECEMBER 2014
www.ti.com
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
TEST CONDITIONS
MIN TYP
MAX UNIT
INPUT VOLTAGE/CURRENT REGULATION
V_{INDPM_REG_ACC} Input voltage regulation accuracy
REG00[6:3] = 0110 (4.36 V) or 1011 (4.76 V)
USB100
–2%
85
2%
100 mA
I_{USB_DPM}
USB Input current regulation limit, VBUS = 5 V,
current pulled from SW
USB150
USB500
125
150 mA
440
500 mA
USB900
750
900 mA
I_{ADPT_DPM}
Input current regulation accuracy
I_{IN_START}
Input current limit during system start up
K_ILIM
I_IN = K_ILIM/R_ILIM
D+/D- DETECTION
Typical input current of 1.5 A based on KLIM
VSYS < 2.2 V
IINDPM = 1.5 A
1.35 1.5
100
435 485
1.65
A
mA
530 A x Ω
V_{D+_SRC}
I_{D+_SRC}
I_{D–_SINK}
I_{D_LKG}
D+ voltage source
D+ connection check current source
D– current sink
Leakage current into D+/D–
D–, switch open
D+, switch open
0.5 0.6
7
50 100
–1
–1
0.7
V
14 µA
150 µA
1 µA
1 µA
V_{D+_LOW}
V_{D–_LOWdatref}
R_{D–_DWN}
t_{SDP_DEFAULT}
D+ Low comparator threshold
D– Low comparator threshold
D– Pulldown for connection check
Charging timer with 100-mA USB host in default
mode
0.7
250
14.25
0.8
V
400 mV
24.8 kΩ
45 mins
BAT OVER-VOLTAGE PROTECTION
V_BATOVP
V_{BATOVP_HYST}
t_BATOVP
Battery over-voltage threshold
Battery over-voltage hysteresis
Battery over-voltage deglitch time to disable
charge
V_BAT rising, as percentage of V_{BAT_REG}
V_BAT falling, as percentage of V_{BAT_REG}
104%
2%
1
µs
THERMAL REGULATION AND THERMAL SHUTDOWN
T_{Junction_REG}
T_SHUT
T_{SHUT_HYS}
Junction temperature regulation accuracy
Thermal shutdown rising temperature
Thermal shutdown hysteresis
Thermal shutdown rising deglitch
REG06[1:0] = 11
Temperature increasing
Temperature increasing delay
120
°C
160
°C
30
°C
1
ms
Thermal shutdown falling deglitch
Temperature decreasing delay
1
ms
COLD/HOT THERMISTER COMPARATOR (bq24190,bq24192,bq24192I)
V_LTF
V_{LTF_HYS}
V_HTF
Cold temperature threshold, TS pin voltage rising
threshold
Cold temperature hysteresis, TS pin voltage falling
Charger suspends charge. As percentage to
V_REGN
As percentage to V_REGN
Hot temperature TS pin voltage rising threshold
As percentage to V_REGN
73%
0.2%
46.6%
73.5
%
0.4%
47.2
%
74%
0.6%
48.8%
V_TCO
Cut-off temperature TS pin voltage falling
threshold
As percentage to V_REGN
44.2%
44.7
%
45.2%
Deglitch time for temperature out of range
detection
V_TS > V_LTF, or V_TS < V_TCO, or V_TS < V_HTF
10
ms
CHARGE OVER-CURRENT COMPARATOR
I_{HSFET_OCP}
HSFET over-current threshold
I_{BATFET_OCP}
System over load threshold
CHARGE UNDER-CURRENT COMPARATOR (CYCLE-BY-CYCLE)
5.3
7
A
9
A
V_{LSFET_UCP}
LSFET charge under-current falling threshold
PWM OPERATION
From sync mode to non-sync mode
100
mA
F_SW
D_MAX
PWM Switching frequency, and digital clock
Maximum PWM duty cycle
1300 1500
97%
1700 kHz
8
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