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TPS2592AADRCR Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS2592AADRCR Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 28 page TPS2592Ax TPS2592Bx www.ti.com SLVSC11A – JUNE 2013 – REVISED JUNE 2013 5V/12V eFuse with Over Voltage Protection and Blocking FET Control Check for Samples: TPS2592Ax, TPS2592Bx 1 FEATURES DESCRIPTION The TPS2592xx family of eFuses are highly • 12V Protection – TPS2592Ax integrated circuit protection and power management • 5V Protection – TPS2592Bx solutions in a tiny package. With few external • Integrated 28m Ω Pass MOSFET components and multiple protection modes, they are a robust defense against overloads, shorts circuits, • Absolute Maximum Voltage of 20V voltage surges, excessive inrush current, and reverse • Programmable Current Limit (±15% Accuracy) current. Only one external resistor is required for • Blocking FET Driver setting the current limit level, which has a typical accuracy of ±15%. Over voltage events are limited by • Fixed Over Voltage Setting internal clamping circuits to a safe fixed maximum, • Programmable OUT Slew Rate, UVLO with no external components required. TPS2592Ax • Built-in Thermal Shutdown devices provide over voltage protection (OVP) for 12V systems and TPS2592Bx devices for 5V • UL Recognition Pending systems. In cases with particular voltage ramp • Safe during Single Point Failure Test requirements, a dV/dT pin is provided that can be (UL60950) programmed with a single capacitor to ensure proper • Small Foot Print – 10L (3mm x 3mm) VSON output ramp rates. Many systems, such as SSDs, must not allow holdup capacitance energy to dump APPLICATIONS back through the FET body diode onto a drooping or shorted bus. The BFET pin is for such systems. An • HDD and SSD Drives external NFET can be connected “back to back” with • Set Top Boxes the TPS2592xx output and the gate driven by BFET. When the TPS2592xx is disabled, then current flow is • Servers / AUX Supplies stopped in both directions. TPS2592xL parts will latch • Fan Control off after a fault and TPS2592xA parts will attempt to • PCI/PCIe Cards restart after the thermal shutoff resets. • Switches/Routers Transient: Output Short Circuit Application Schematic PRODUCT INFORMATION PART NUMBER UVLO OVERVOLTAGE CLAMP (TYP) FAULT RESPONSE STATUS TPS2592AA 4.3 V 15.0 V Auto Retry Active TPS2592BA 4.3 V 6.1 V Auto Retry Preview TPS2592AL 4.3 V 15.0 V Latched Preview TPS2592BL 4.3 V 6.1 V Latched Active 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. PRODUCTION DATA information is current as of publication date. Copyright © 2013, 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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