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TPS65721RSNR Datasheet(PDF) 10 Page - Texas Instruments |
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TPS65721RSNR Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 50 page  16 15 14 13 12 11 10 9 12345678 2423222120191817 ISET PB_IN RESET INT SDAT MODE NC NC 25 26 27 28 29 30 31 32 TPS65721 HOLD_DCDC1 FB_DCDC1 TS AGND GND VINLDO1 VLDO1 NC TPS65720 TPS65721 SLVS979 – OCTOBER 2009 www.ti.com PIN FUNCTIONS for CHIP SCALE VERSION (YFF package) PIN I/O DESCRIPTION NAME NO. AC E5 I Input power for power manager, connect to external DC supply. SYS E4, D4 O System voltage; output of the power path manager. Power input for step-down converter DCDC1 BAT E3, D3 I/O Connect to battery + terminal ISET D5 I Connect a resistor from this pin to GND to set fast charge current TS C2 I Connect a thermistor from this pin to GND for battery temperature AGND C1 Analog ground PGND E1 Power ground GND B2 Connect to AGND and PGND L1 E2 O Switch output of step-down converter FB_DCDC1 D1 I Feedback input of step-down converter HOLD_DCDC1 D2 I Power-On input for DCDC1 converter. When pulled HIGH, the DCDC converter is kept enabled after PB_IN was released HIGH. VINLDO1 B1 I Input voltage for LDO1 VLDO1 A1 O Output voltage of LDO1 HOLD_LDO1 A2 I Power-On input for LDO1. When pulled HIGH, LDO1 is kept enabled after PB_IN was released HIGH. SDAT B5 I/O Data line for the I2C interface SCLK A5 I Clock input for the I2C interface PB_IN C4 I Push button input; Turns on DCDC1 and LDO1 if pulled to GND. INT C3 O Open drain interrupt output RESET C5 O Open drain output of the reset generator; This output goes active LOW when the output voltage of LDO1 falls 8% below its target voltage. GPIO0 B4 I/O General purpose I/O GPIO1 A4 I/O General purpose I/O GPIO2 B3 I/O General purpose I/O or 5mA current sink GPIO3 A3 I/O General purpose I/O or 5mA current sink QFN version (RSN package): PIN ASSIGNMENT (top view) 10 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): TPS65720 TPS65721 |
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