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TPS2483PWR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2483PWR Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 56 page  TPS2482 TPS2483 www.ti.com SLUSAW1 A – DECEMBER 2012 – REVISED MARCH 2013 36-V Hotswap Controller with Precision I2C Power Monitoring Check for Samples: TPS2482, TPS2483 1 FEATURES DESCRIPTION The TPS2482 and TPS2483 provide hotswap control 2 • 9-V to 36-V Input Range, 40 V Abs. Max and precision monitoring for 9-V to 36-V applications. • Current, Voltage and Power Monitor Accurate voltage, current, and power monitoring is • ±0.5% Accurate Current Monitoring provided by a 16-bit A/D converter with a serial ( -25°C < TJ < 85°C) interface that is compatible with I2C and SMBus. Voltage and current measurements are interleaved • 16 Programmable I2C™ Addresses and multiplied internally to provide concurrent power • Configurable Averaging Options calculations. These devices have high current • Programmable MOSFET SOA protection monitoring accuracy over temperature and a broad load range. This makes them well suited for • High Side Gate Drive for External N-FET applications where load identity and health is • Programmable Fault Timer determined by current profile, such as remote radio • Open-Drain Power-Good Output heads or cellular antennae. • 20-Pin TSSOP Package The hotswap section drives N-channel MOSFETs, with timed inrush and fault-current limiting. Advanced APPLICATIONS MOSFET safe operating area (SOA) protection is achieved by programmable constant-power foldback • RRH (Remote Radio Heads) and a fixed current limit. This results in an • Storage Networks exponential inrush current profile as shown in the • Plug-In Modules start-up figure below. As VOUT ramps up and the VDS of the MOSFET is reduced the current increases • Base Station 24 V Antenna Power keeping MOSFET power dissipation within its SOA at • Industrial 24 V - 28 V Power all times. The TPS2482 latches off after a hard fault, while the TPS2483 automatically attempts to restart after a cool-off delay. The TPS2482 and TPS2483 can be dropped into existing TPS2480 and TPS2481 sockets to provide improved accuracy and operating voltage range. This can be accomplished with no PCB changes and minor software modifications. Simplified Application Diagram Example Start-Up Waveforms 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 I2C is a trademark of NXP B.V Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 2012–2013, 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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