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TPS2555DRCR Fiches technique(PDF) 6 Page - Texas Instruments |
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TPS2555DRCR Fiches technique(HTML) 6 Page - Texas Instruments |
6 / 24 page Charge Pump Driver Current Limit Thermal Sense UVLO 8-ms Deglitch IN EN EN OUT ILIM_SEL ILIM0 ILIM1 FAULT GND Current Sense (TPS2555) (TPS2554) 2/3 5 5 8/9 4 7 6 10 1 RDIS Charge Pump Driver Current Limit Thermal Sense UVLO 8-ms Deglitch IN EN EN OUT ILIM_SEL ILIM0 ILIM1 FAULT GND Current Sense (TPS2555) (TPS2554) 2/3 5 5 8/9 4 7 6 10 1 RDIS TPS2554 TPS2555 SLVSAM0 – JUNE 2011 www.ti.com DEVICE INFORMATION Pin Functions PIN I/O DESCRIPTION NAME TPS2554 TPS2555 EN 5 - I Enable input, logic high turns on power switch (TPS2554). EN - 5 I Enable input, logic low turns on power switch (TPS2555). GND 1 1 Ground connection; connect externally to PowerPAD ™. 2, 3 2, 3 I Input voltage; connect a 100-nF, or greater, ceramic capacitor IN from IN to GND as close to the device as possible. 10 19 O Active-low, open-drain output, asserted during overcurrent or FAULT over-temperature conditions. OUT 8, 9 8, 9 O Power-switch output 7 7 I External resistor used to set current-limit threshold when ILIM0 ILIM_SEL = LO 6 6 I External resistor used to set current-limit threshold when ILIM1 ILIM_SEL = HI 4 4 I Logic-level input that selects between ILIM0 and ILIM1 ILIM_SEL current-limit threshold setting Internally connected to GND; used to heat-sink the device to the PowerPAD ™ – – circuit board traces. Connect PowerPAD ™ to GND pin externally. TPS2554/TPS2555 Functional Block Diagram 6 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): TPS2554 TPS2555 |
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