BQ25570_14 Datasheet, PDF (9/41 Pages) Texas Instruments – Ultra Low Power Harvester Power Management IC with Boost Charger, and Nano-Powered Buck Converter

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PIN
NO.
NAME
17
NC
18
VBAT
19
VSTOR
20
LBOOST
bq25570
SLUSBH2C – MARCH 2013 – REVISED JANUARY 2014
PIN FUNCTIONS (continued)
I/O TYPE
Input
I/O
Output
I/O
DESCRIPTION
Connect to ground using the IC's PowerPad.
Connect a rechargeable storage element with at least 100uF of equivalent capacitance
between this pin and either VSS pin.
Connection for the output of the boost charger. Connect at least a 4.7 µF capacitor in
parallel with a 0.1 µF capacitor as close as possible to between this pin and pin 1 (VSS).
Inductor connection for the boost charger switching node. Connect a 22 µH inductor
between this pin and pin 2 (VIN_DC).
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