BQ25890_16 Datasheet, PDF (13/69 Pages) Texas Instruments – Adjustable Voltage USB On-the-Go Boost Mode

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bq25890, bq25892
SLUSC86B – MARCH 2015 – REVISED MAY 2016
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
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
BAT OVER-VOLTAGE/CURRENT PROTECTION
V_BAT(OVP)
Battery over-voltage threshold
V_BAT rising, as percentage of
V_BAT(REG)
104%
V_{BAT(OVP_HYST)} Battery over-voltage hysteresis
V_BAT falling, as percentage of
V_BAT(REG)
2%
I_{BAT(FET_OCP)} System over-current threshold
9
A
THERMAL REGULATION AND THERMAL SHUTDOWN
T_REG
Junction temperature regulation accuracy
T_SHUT
Thermal shutdown rising temperature
T_SHUT(HYS)
Thermal shutdown hysteresis
JEITA THERMISTOR COMPARATOR (BUCK MODE)
REG08[1:0] = 11
Temperature rising
Temperature falling
120
°C
160
°C
30
°C
V_(T1)
T1 (0°C) threshold, charge suspended T1
below this temperature.
As percentage to V_(REGN)
72.75% 73.25% 73.75%
V_{(T1_HYS)}
Charge back to ICHG/2 (REG04[6:0]) and
VREG (REG06[7:2]) above this temperature.
As percentage to V_(REGN)
1.4%
V_(T2)
T2 (10°C) threshold, charge back to ICHG/2
(REG04[6:0]) and VREG (REG06[7:2]) below
this temperature.
As percentage to V_(REGN)
67.75% 68.25% 68.75%
V_{(T2_HYS)}
Charge back to ICHG (REG04[6:0]) and VREG
(REG06[7:2]) above this temperature.
As percentage to V_(REGN)
1.4%
V_(T3)
T3 (45°C) threshold, charge back to ICHG
(REG04[6:0]) and VREG-200 mV (REG06[7:2]) As percentage to V_(REGN)
above this temperature.
44.25v 44.75% 45.25%
V_{(T3_HYS)}
Charge back to ICHG (REG04[6:0]) and VREG
(REG06[7:2]) below this temperature.
As percentage to V_(REGN)
1%
V_(T5)
T5 (60°C) threshold, charge suspended above
this temperature.
As percentage to V_(REGN)
33.875 34.375 34.875
%
%
%
V_{(T5_HYS)}
Charge back to ICHG (REG04[6:0]) and VREG-
200 mV (REG06[7:2]) below this temperature.
As percentage to V_(REGN)
1.25%
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