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BQ24026 Datasheet(PDF) 7 Page - Texas Instruments |
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BQ24026 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 22 page www.ti.com bq24020,, bq24022,, bq24023 bq24024, bq24025, bq24026 bq24027 SLUS549D – DECEMBER 2002 – REVISED MARCH 2006 Terminal Functions TERMINAL NAME I/O DESCRIPTION bq24020 bq24022 bq24023 bq24024 bq24026 bq24025 bq24027 AC 1 1 1 1 1 I AC charge input voltage CE 8 9 8 - - I Charge enable input (active low) Charge current set point for AC input and precharge and taper ISET1 6 6 6 6 6 I set point for both AC and USB Charge current set point for USB port (high=500 mA, low=100 ISET2 7 7 7 7 7 I mA, hi-z = disable USB charge) OUT 10 10 10 10 10 O Charge current output PG - 8 - - - O powergood status output (active low) STAT1 3 3 3 3 3 O Charge status output 1 (open-drain) STAT2 4 4 4 4 4 O Charge status output 2 (open-drain) TE - - - - 8 I Timer enable input (active low) TS 9 - - 9 9 I Temperature sense input TTE - - 9 8 - I Timer and termination enable input (active low) USB 2 2 2 2 2 I USB charge input voltage VSS 5 5 5 5 5 - Ground input There is an internal electrical connection between the exposed thermal pad and VSS pin of the device. The exposed Exposed thermal pad must be connected to the same potential as the Thermal pad pad pad pad pad - VSS pin on the printed circuit board. Do not use the thermal Pad pad as the primary ground input for the device. VSS pin must be connected to ground at all times 7 Submit Documentation Feedback |
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