Datasheet

bq24195
bq24195L
www.ti.com SLUSB97 –OCTOBER 2012
THERMAL INFORMATION
RGE PACKAGE
THERMAL METRIC
(1)
UNITS
24-PIN
θ
JA
Junction-to-ambient thermal resistance 32.2
θ
JCtop
Junction-to-case (top) thermal resistance 29.8
θ
JB
Junction-to-board thermal resistance 9.1
°C/W
ψ
JT
Junction-to-top characterization parameter 0.3
ψ
JB
Junction-to-board characterization parameter 9.1
θ
JCbot
Junction-to-case (bottom) thermal resistance 2.2
space
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
ELECTRICAL CHARACTERISTICS
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 UNITS
QUIESCENT CURRENTS
V
VBUS
< V
UVLO
, VBAT = 4.2 V, leakage between
5 µA
BAT and VBUS
High-Z Mode, or no VBUS, BATFET disabled
I
BAT
Battery discharge current (BAT, SW, SYS) 12 20 µA
(REG07[5] = 1)
High-Z Mode, or no VBUS, REG07[5] = 0, –40°C –
32 55 µA
85°C
V
VBUS
= 5 V, High-Z mode 15 30 µA
V
VBUS
= 17 V, High-Z mode 30 50 µA
V
VBUS
> V
UVLO
, V
VBUS
> V
BAT
, converter not
1.5 3 mA
switching
I
VBUS
Input supply current (VBUS)
V
VBUS
> V
UVLO
, V
VBUS
> V
BAT
, converter switching,
4 mA
V
BAT
=3.2V, I
SYS
=0A
V
VBUS
> V
UVLO
, V
VBUS
> V
BAT
, converter switching,
15 mA
V
BAT
=3.8V, I
SYS
=0A
VBAT=4.2V, Boost mode, I
PMID
= 0A, converter
I
BOOST
Battery Discharge Current in boost mode 15 mA
switching
VBUS/BAT POWER UP
V
VBUS_OP
VBUS operating range 3.9 17 V
V
VBUS_UVLOZ
V
VBUS
rising 3.6 V
VBUS for active I
2
C, no battery
V
SLEEP
Sleep mode falling threshold V
VBUS
falling, V
VBUS-VBAT
35 80 120 mV
V
SLEEPZ
Sleep mode rising threshold V
VBUS
rising, V
VBUS-VBAT
170 250 300 mV
V
ACOV
VBUS over-voltage rising threshold V
VBUS
rising 17.4 18 V
V
ACOV_HYST
VBUS Over-Voltage Falling Hysteresis V
VBUS
falling 700 mV
V
BAT_UVLOZ
V
BAT
rising 2.3 V
Battery for active I
2
C, no VBUS
V
BAT_DPL
Battery depletion threshold V
BAT
falling 2.4 2.6 V
V
BAT_DPL_HY
Battery depletion rising hysteresis V
BAT
rising 170 230 mV
V
VBUSMIN
Bad adapter detection threshold V
VBUS
falling 3.8 V
I
BADSRC
Bad adapter detection current source 30 mA
t
BADSRC
Bad source detection duration 30 ms
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