Datasheet

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5 Schematic
bq24070
IC
shown
(OUT
regulates
to
4.4VDC)
. bq24071 IC uses same schematic component values (OUT regulates to 6VDC for inputs > 6VDC).
C7 is not installed. May be needed for programmed
char
ging currents less than 0.3A.
C1
is for setting the delay of the Battery short circuit protection used when inserting the battery to power the system load (capacitance and resistive loads).
R7 is not installed
and
is used to disable
the
safety timer (5 hour).
GND is tied to Vss. Isolated ground planes
are not necessary for VSS, GND and the Power pad.
S0200-01
R9 is set to disable the TS feature.
If a
thermistor
is
used, remove R9. See data sheet
Schematic
Figure 2. bq24070/1 EVM Schematic
bq24070/1 1.5-A Single-Chip Li-Ion and Li-Pol Charge Management IC EVM6 SLUU248A – May 2006 – Revised August 2006
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