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TPS2550DRVR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2550DRVR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 31 page 1 FEATURES DESCRIPTION APPLICATIONS * USB Requirement that downstream-facing ports are bypassed with at least 120 F per hub m IN FAULT EN OUT ILIM GND PowerPAD USBData USB Port 120 F* m R 15k ILIM W 0.1 F m R 100k FAULT W INPUT 5VUSB ControlSignal TPS2550/51 FAULT Signal 2 1 3 5 6 4 OUT EN GND ILIM FAULT IN TPS2550/TPS2551 DBVPACKAGE (TOP VIEW) TPS2550/TPS2551 DRVPACKAGE (TOP VIEW) 2 1 3 5 6 4 OUT EN GND ILIM FAULT IN EN= ActiveLowfortheTPS2550 EN= ActiveHighfortheTPS2551 TPS2014600mA TPS20151 A TPS2041B500mA TPS2051B500mA TPS2045A 250mA TPS2049100mA TPS2055A 250mA TPS20611 A TPS20651 A TPS20681.5 A TPS20691.5 A TPS2042B500mA TPS2052B500mA TPS2046B250mA TPS2056250mA TPS20621 A TPS20661 A TPS20601.5 A TPS20641.5 A TPS2080500mA TPS2081500mA TPS2082500mA TPS2090250mA TPS2091250mA TPS2092250mA TPS2043B500mA TPS2053B500mA TPS2047B250mA TPS2057A 250mA TPS20631 A TPS20671 A TPS2044B500mA TPS2054B500mA TPS2048A 250mA TPS2058250mA TPS2085500mA TPS2086500mA TPS2087500mA TPS2095250mA TPS2096250mA TPS2097250mA TPS201xA 0.2 A to2 A TPS202x0.2 A to2 A TPS203x0.2 A to2 A GENERAL SWITCHCATALOG 33m ,Single W 80m ,Single W 80m ,Dual W 80m ,Dual W 80m , Triple W 80m ,Quad W 80m ,Quad W TPS2550 TPS2551 www.ti.com .................................................................................................................................................... SLVS736A – FEBRUARY 2008 – REVISED JULY 2008 ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES 2 • Adjustable Current-Limit, 100 mA–1100 mA • Fast Overcurrent Response - 2 µS Typical The TPS2550/51 power-distribution switch is intended for applications where heavy capacitive • 85-mΩ High-Side MOSFET (DBV Package) loads and short-circuits are likely to be encountered, • Reverse Input-Output Voltage Protection incorporating a 100-m Ω, N-channel MOSFET in a • Operating Range: 2.5 V to 6.5 V single package. The current-limit threshold is user adjustable between 100 mA and 1.1 A via an external • Deglitched Fault Report resistor. The power-switch rise and fall times are • 1-µA Maximum Standby Supply Current controlled to minimize current surges during • Ambient Temperature Range: –40°C to 85°C switching. • Built-in Soft-Start The device limits the output current to a desired level • 15 kV ESD Protection (with external by switching into a constant-current mode when the capacitance) output load exceeds the current-limit threshold or a short is present. An internal reverse-voltage detection • UL Listed – File No. E169910 comparator disables the power-switch in the event • Current-limit Resistor Calculator – SLVC163 that the output voltage is driven higher than the input to protect devices on the input side of the switch. The FAULT logic output asserts low during both overcurrent and reverse-voltage conditions. • USB Ports/Hubs • Cell phones • Laptops • Heavy Capacitive Loads • Reverse-Voltage Protection Figure 1. Typical Application as USB Power Switch 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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