Power Sequencing for K2E Using UCD9090 with PMBus
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The K2E devices require power supplies to be sequenced in a proper order. This design demonstrates power sequencing for the 66AK2Ex and AM5K2Ex families of KeyStone II ARM+DSP and ARM-only multicore processors by use of the UCD9090. The UCD9090 is a 10-rail PMBus/I2C addressable power-supply sequencer and monitor. The UCD9090 provides both sequence and timing of the power supply enables. This design shows a power sequencing implementation specific to the K2E EVM platform.

  • Power supply sequencing reference implementation for the 66AK2Ex and AM5K2Ex SoCs.
  • Uses UCD9090 for power supply sequencing and monitoring for nine voltage rails.
  • Uses the Fusion Digital Power Designer Software to configure and program the UCD9090.
  • Complete system reference with schematics, BOM, design files, and HW Design Guide, implemented on the K2E EVM platform for testing and evaluation.

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
66AK2E05  High performance multicore DSP+Arm - 4x Arm A15 cores, 1x C66x DSP core, NetCP, 10GbE  Processors  Sample & Buy View Design Kits & Evaluation Modules
AM5K2E02  Sitara processor: dual-Arm Cortex-A15  Processors  Not Available View Design Kits & Evaluation Modules
AM5K2E04  Sitara processor: quad-Arm Cortex-A15  Processors  Sample & Buy View Design Kits & Evaluation Modules
UCD9090  10-Channel Sequencer and System Health Monitor  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

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