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TPS2552D Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2552D Datasheet(HTML) 1 Page - Texas Instruments |
1 / 31 page OUT IN GND FAULT ILIM EN R ILIM 20 kW R FAULT 100 kW Control Signal 5V USB Input USB Port USB Data TPS2552D/53D 0.1 F m 120 F m Fault Signal Power Pad USB requirement only* * facing ports are bypassed with at least 120 F per hub USB requirement that downstream m Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TPS2552D, TPS2553D SLVSDL7 – SEPTEMBER 2016 TPS255xD Precision Adjustable Current-Limited Power-Distribution Switches 1 1 Features 1 • Up to 1.5 A Maximum Load Current • ±6% Current-Limit Accuracy at 1.7 A (Typ) • Meets USB Current-Limiting Requirements • Backwards Compatible with TPS2550/51 • Adjustable Current Limit, 75 mA–1700 mA (Typ) • Constant-Current (TPS2552D and TPS2553D) • TPS2552D (Enable Low) and TPS2553D (Enable High) • Fast Overcurrent Response - 2 μs (Typ) • 85-m Ω High-Side MOSFET (DBV Package) • Reverse Input-Output Voltage Protection • Operating Range: 2.7 V to 6.5 V • Built-in Soft-Start • 15 kV ESD Protection per IEC 61000-4-2 (With External Capacitance) • UL Listed – File No. E169910 and NEMKO IEC60950-1-am1 ed2.0 • See the TI Switch Portfolio 2 Applications • USB Ports/Hubs • Digital TV • Set-Top Boxes • VOIP Phones 3 Description The TPS2552D and TPS2553D power-distribution switches are intended for applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered and provide up to 1.5 A of continuous load current. These devices offer a programmable current-limit threshold between 75 mA and 1.7 A (typ) via an external resistor. Current-limit accuracy as tight as ±6% can be achieved at the higher current-limit settings. The power-switch rise and fall times are controlled to minimize current surges during turn on/off. The TPS2552D/3D devices limit the output current to a safe level by using a constant-current mode when the output load exceeds the current-limit threshold. An internal reverse-voltage comparator disables the power-switch when the output voltage is driven higher than the input to protect devices on the input side of the switch. The FAULT output asserts low during overcurrent and reverse-voltage conditions. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS2552D SOT-23 (6) 2.90 mm × 1.60 mm TPS2553D SOT-23 (6) 2.90 mm × 1.60 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic |
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