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 Autonomous Power Multiplexor

TI Store Price:

1 - 9 $ 4.93
10 - 24 $ 4.43
25 - 99 $ 4.14
100 - 100 $ 3.71

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Texas Instruments BQ25505RGRR

The bq25505 device is specifically designed to efficiently extract the microwatts (µW) to miliwatts (mW) of power generated from a variety of DC energy harvesting, high-impedance sources like photovoltaic (solar) or thermal electric generators (TEGs) without collapsing those sources. The battery-management features of the bq25505 ensure that a secondary rechargeable battery is not overcharged by this extracted power, with voltage boosted, nor depleted beyond safe limits by a system load. The integrated multiplexer gate drivers autonomously switch the system load to a primary nonrechargeable battery if the secondary battery voltage falls below the user-defined VBAT_OK threshold.

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