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TI(德州仪器) TPS2459
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  • TI(德州仪器) TPS2459
  • TI(德州仪器) TPS2459
  • TI(德州仪器) TPS2459
  • TI(德州仪器) TPS2459
  • TI(德州仪器) TPS2459
  • TI(德州仪器) TPS2459
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TPS2459

TPS2459

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具有 ORing 和 I2C 的 3V 至 15V 热插拔控制器

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The TPS2459 hot-plug controller performs all necessary power interface functions for an AdvancedMC™ (Advanced Mezzanine Card). A fully integrated 3.3-V channel provides inrush control, over-current protection, and FET ORing. A 12-V channel provides the same functions using external FETs and sense resistors. The 3.3-V current limit is factory set to AdvancedMC™ compliant levels while the 12-V current limit is programmed using external sense resistors. The accurate current sense comparators of the TPS2459 satisfy the narrow ATCA™ AdvancedMC™ current limit requirements.

  • ATCA AdvancedMC™ Compliant
  • Full Power Control for an AdvancedMC™ Module
  • Independently Programmable 12-V Current Limit and Fast Trip
  • 3.3-V and 12-V FET ORing Control for MicroTCA
  • 12-V Output Shuts Off If 3.3-V Output Shuts Off
  • Internal 3.3-V Current Limit and ORing
  • I2C Power Good and Fault Reporting
  • I2C™ Programmable Fault Times and Limits
  • FET Status Bits for 3.3-V and 12-V Channels
  • Load Current Monitors for 12-V and 3.3-V
  • 32-Pin QFN Package
FETExternal
Vin (min) (V)8.5
Vin (max) (V)15
Vabsmax_cont (V)-9999
Current limit (min) (A)0.01
Current limit (max) (A)500
Overcurrent responseCircuit breaker, current limiting
Fault responseAuto-retry, Latch-off
Soft startAdjustable
FeaturesCurrent monitoring, Fault output, Power good signal, Reverse current blocking always
RatingCatalog
Device typeeFuses and hot swap controllers
Operating temperature range (°C)-40 to 85
FunctionAdjustable current limit, Current monitoring, Power good signal, Reverse current blocking, Short circuit protection
VQFN (RHB)3225 mm² 5 x 5
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