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TPS2556 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2556 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page DM1 USB Connector VBUS D– D+ GND 5 V OUT C OUT DC to DC Converter or Controller (LM25117-Q1, TPS54340-Q1, TPS54240-Q1, TPS40170-Q1) TPS2513A-Q1 TPS2556-Q1 DP1 DM2 DP2 VIN GND R ILIM 0.1 F IN IN EN FAULT OUT OUT ILIM GND Thermal Pad Control Signal 100 kΩ TPS2557-Q1 Recommend TPS2561A-Q1 for the Dual Port Solution C USB Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS2556-Q1, TPS2557-Q1 SLVSC97A – MARCH 2014 – REVISED MARCH 2014 TPS255x-Q1 Precision Automotive Adjustable Current-Limited Power-Distribution Switches 1 Features 3 Description The TPS2556-Q1 and TPS2557-Q1 power- 1 • AEC-Q100 Qualified distribution switches are specialized for automotive – Device HBM ESD Classification Level H2 applications which require precision current limiting or – Device CDM ESD Classification Level C5 capacity to handle heavy capacitive loads and short circuits. These devices offer a programmable current- • Meets USB Current-Limiting Requirements limit threshold between 500 mA and 5 A (typical) via • Adjustable Current Limit, 500 mA–5 A (Typ.) an external resistor. Control of the power-switch rise • ±6.5% Current-Limit Accuracy at 4.5 A and fall times minimizes current surges during turnon or turnoff. • Fast Short-Circuit Response – 3.5- μs (Typ.) • 22-m Ω High-Side MOSFET TPS2556-Q1 and TPS2557-Q1 devices limit the output current to a safe level by switching into a • Operating Range: 2.5 V to 6.5 V constant-current mode when the output load exceeds • 2- μA Maximum Standby Supply Current the current-limit threshold. The FAULT logic output • Built-In Soft-Start asserts low during overcurrent and overtemperature • 15-kV and 8-kV System-Level ESD Capable conditions. Use with the TPS2511-Q1 or TPS2513A-Q1 for a 2 Application low-loss, automotive-qualified, USB charging-port Automotive USB Charging Ports solution capable of charging all of today's popular phones and tablets. Device Information ORDER NUMBER PACKAGE BODY SIZE TPS2556QDRB S-PVSON (8) 3 mm × 3 mm TPS2557QDRB S-PVSON (8) 3 mm × 3 mm space space space space Typical Application as Power Switch of Single-Port Automotive USB Charge Port 1 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. |
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