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TPS65217x Datasheet(PDF) 5 Page - Texas Instruments |
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TPS65217x Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 89 page  TPS65217 www.ti.com SLVSB64G – NOVEMBER 2011 – REVISED JANUARY 2015 Pin Functions (continued) PIN I/O DESCRIPTION NAME NO. L4 37 O Switch Pin of the WLED boost converter. Connected to Inductor. LDO power good (LDO1 and LDO2 only, push/pull output). Pulled low when either LDO1 LDO_PGOOD 46 O or LDO2 is out of regulation. LS1_IN 39 I Input voltage pin for load switch 1/LDO3 LS1_OUT 40 O Output voltage pin for load switch 1/LDO3 LS2_IN 42 I Input voltage pin for load switch 2/LDO4 LS2_OUT 43 O Output voltage pin for load switch 2/LDO4 MUX_IN 14 O Input to analog multiplexer MUX_OUT 16 O Output pin of analog multiplexer NC 15 Not used NC 17 — Not used Interrupt output (active low, open drain). Pin is pulled low if an interrupt bit is set. The output goes high after the bit causing the interrupt in register INT has been read. The nINT 45 O interrupt sources can be masked in register INT, so no interrupt is generated when the corresponding interrupt bit is set. Reset pin (active low). Pull this pin low and the PMIC will shut down, and after 1s power- nRESET 44 I up in its default state. nWAKEUP 13 O Signal to host to indicate a power on event (active low, open-drain output) Push-button monitor input. Typically connected to a momentary switch to ground (active PB_IN 25 I low). PGND 30 Power ground. Connect to ground plane. Power-good output (push/pull output). Pulled low when any of the power rails are out of PGOOD 26 O regulation. Behavior is register programmable. PowerPad — — Power ground connection for the PMU. Connect to GND Enable input for DCDC1, 2, 3 converters and LDO1, 2, 3, 4. Pull this pin high to start the PWR_EN 9 I power-up sequence. SCL 28 I Clock input for the I2C interface SDA 27 I/O Data line for the I2C interface System voltage pin and output of the power path. All voltage regulators are typically SYS 7, 8 O powered from this output. Temperature sense input. Connect to NTC thermistor to sense battery temperature. TS 11 I Works with 10k and 100k thermistors. See charger section for details. USB 12 I USB voltage input to power path. Connect to external voltage from a USB port. VDCDC1 19 I DCDC1 output/ feedback voltage sense input VDCDC2 24 O DCDC2 output/feedback voltage sense input VDCDC3 29 O DCDC3 output/feedback voltage sense input VINLDO 2 I Input voltage for LDO1 and LDO2 VIN_DCDC1 21 I Input voltage for DCDC1. Must be connected to SYS pin. VIN_DCDC2 22 I Input voltage for DCDC2. Must be connected to SYS pin. VIN_DCDC3 32 I Input voltage for DCDC3. Must be connected to SYS pin. VIO 18 I Output-high supply for output buffers VLDO1 3 O Output voltage of LDO1 VLDO2 1 O Output voltage of LDO2 Copyright © 2011–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS65217 |
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