See datasheet for actual packaging/pinout drawings


Package | PIN:

RGR | 20


Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)


Ultra Low Power Harvester Power Management IC with Boost Charger, and Nanopower Buck Converter

TI Store Price:

1 - 9 $ 8.06
10 - 24 $ 7.25
25 - 99 $ 6.77
100 - 100 $ 6.07

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Texas Instruments BQ25570RGRT

The bq25570 device is specifically designed to efficiently extract microwatts (µW) to milliwatts (mW) of power generated from a variety of high output impedance DC sources like photovoltaic (solar) or thermal electric generators (TEG) without collapsing those sources. The battery management features ensure that a rechargeable battery is not overcharged by this extracted power, with voltage boosted, or depleted beyond safe limits by a system load. In addition to the highly efficient boosting charger, the bq25570 integrates a highly efficient, nano- power buck converter for providing a second power rail to systems such as wireless sensor networks (WSN) which have stringent power and operational demands. All the capabilities of bq25570 are packed into a small foot-print 20-lead 3.5-mm × 3.5-mm QFN package (RGR).

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