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TPS2420 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS2420 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 29 page LTCH GND CT IFLT IMAX VIN 1 16 6 5 7 8 9 TPS2420 UDG-09017 EN (A) 15-V SMAJ15A (A) C VIN 40.2kW 49.9kW 0.1 mF IMON VOUT 13 14 15 10 FLT PG 63.4kW }Optional: tosystem monitor (A) C LOAD (A)Requiredonlyinsystemswithleadand/orloadinductance. 11 12 2 3 4 VIN VIN VIN VOUT VOUT VOUT 3.0Vto20.0V TPS2420 www.ti.com SLUS903E – JANUARY 2009 – REVISED MAY 2013 3-V to 20-V INTEGRATED FET HOT SWAP CONTROLLER Check for Samples: TPS2420 1 FEATURES DESCRIPTION The TPS2420 provides highly integrated load 2 • Integrated 30-m Ω Pass MOSFET protection for 3-V to 20-V applications. The TPS2420 • 3.0-V to 20-V Bus Operation protects loads, minimizes inrush current, and safely • Programmable Fault Current shuts down in the event of a fault. The programmable fault current threshold starts the fault timer while • Programmable Hard Current Limit allowing the current to pass to the load uninhibited. • Programmable Fault Timer The programmable current limit threshold sets the • Internal MOSFET Power Limiting Foldback maximum current allowed into the load, for both inrush and severe load faults. Both events use the • Latching and Auto-Retry Operation programmable timer which inhibits all current to the • Analog Current Monitor Output load when it expires. • Powergood Output The dual protection thresholds are useful in • Fault Output Indicator applications such as disk drives. The start-up and • 4 mm × 4 mm QFN seek currents are typically higher than the nominal current and during this time the load needs a low • –40°C to 125°C Junction Temperature Range impedance path to deliver the power. If a failure at • UL Listed - File Number E169910 the load occurs, the current limit does not allow the current to exceed the programmed threshold. This APPLICATIONS protects both the load and the integrity of the power supply. The internal MOSFET is protected by power • RAID Arrays limit circuitry which ensures that the MOSFET • Telecommunications remains within its safe operating area (SOA) during • Plug-In Circuit Boards all operating states. • Disk Drives The TPS2420 also allows the system to monitor load currents with no need for a shunt in the power path. The gain of the current monitor can be scaled to the application. Fault and power good outputs are provided for improved system management and sequencing control. This device can be programmed to either latch-off or retry in the event of a fault. All of this functionality is packed into a 16-pin 4 × 4 mm QFN package. 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 © 2009–2013, 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. |
Numéro de pièce similaire - TPS2420 |
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Description similaire - TPS2420 |
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