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TPS65310A-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS65310A-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 68 page xxxxxxx xxxxxxx xxxxxxx xxxxxxx xxxxxxx xxxxxxx TOP VIEW 1 14 42 29 VSSENSE VIN GPFET VINPROT HSCTRL HSSENSE WAKE EXTSUP VREG BOOT1 GU PH1 GL PGND1 BOOT3 VSUP3 PH3 PGND3 VMON3 COMP3 VSENSE3 VSENSE2 COMP2 VMON2 PGND2 PH2 VSUP2 BOOT2 TPS65310A-Q1 www.ti.com SLVSC15E – MAY 2013 – REVISED OCTOBER 2014 6 Pin Configuration and Functions Pin Functions PIN PULLUP I/O(1) DESCRIPTION PULLDOWN NAME NO. VSSENSE 1 - I Input to monitor the battery line for undervoltage conditions. UV is indicated by the IRQ pin. Unprotected supply input for the base functionality and band gap 1. Supplied blocks are: RESET, WD, VIN 2 - I wake, SPI, temp sensing, voltage monitoring and the logic block. GPFET 3 - O Gate driver external protection PMOS FET. VINPROT 4 - I Main input supply pin (gate drivers and bandgap2) HSCTRL 5 - O High-side gate driver output HSSENSE 6 - I Sense input high side and LED WAKE 7 pulldown I Wake up input EXTSUP 8 - I Optional LV input for gate driver supply VREG 9 - O Internal regulator for gate driver supply (decoupling) and VREF BOOT1 10 - I The capacitor on these pins acts as the voltage supply for the high-side MOSFET gate-drive circuitry. GU 11 - O Gate driver – high-side FET PH1 12 - O Switching node - BUCK1 (floating ground for high-side FET driver) GL 13 - O Gate driver – low-side FET PGND1 14 - O Ground for low-side FET driver S1 15 - I Differential current sense inputs for BUCK1, S2 pull-down only active in RAMP and ACTIVE state S2 16 pulldown I VMON1 17 - I Input pin for the independent voltage monitor at BUCK1 COMP1 18 - O Error amplifier output for the switching controller. External compensation network is connected to this node. Input for externally sensed voltage of the output using a resistor divider network from their respective VSENSE1 19 - I output line to ground. (1) Description of pin type: I = Input; O = Output; OD = Open-drain output Copyright © 2013–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS65310A-Q1 |
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