Renesas Electronics Introduces New Digital Multiphase Controllers and SPSs That Delivers Up To 1000A+ Loads to IoT Infrastructure Systems

Second Generation Digital Power Solutions from Renesas

Renesas Electronics Corporation has expanded its digital multiphase platform to 41 devices with the introduction of 15 new digital multiphase controllers and six smart power stages. The ISL6822x, ISL6823x, RAA2282xx digital multiphase controllers, and ISL993xx, RAA2213xx smart power stages support 10A up to 1000A+ digital computing loads for advanced CPUs, FPGAs, GPUs, and artificial intelligence (AI) ASICs addressing IoT infrastructure systems.

 

The 2nd generation Digital Multiphase Controllers provides scalability and flexibility without the phase doublers. Moreover, it becomes easy to find a controller for configuration within two-phase to 20 native phases. The on-chip non-volatile memory of the controller allows the device to save the entire configuration. The AVSBus interface of the devices enable connections to any general market ASIC or processor for monitoring and adaptive voltage positioning. The PMBus interface provides full monitoring of I/O voltages and currents, temperature, and fault reporting.

 

The 2nd generation smart power stages (SPS) provides a high level of integration coupled with current sensing capability. They integrate highly precise current sense and reporting. This eliminates the need for complex temperature and inductor DCR compensation.

 

The PowerNavigator software with GUI allows the Power designers to easily configure the controller, set the parameters to tune the system, and debug/monitor using the black box, high-speed command logging, and digital test bus features.

 

Features of ISL6822x, ISL6823x, and RAA2282xx Digital Multiphase Controllers

  • High-performance digital engine tracks each phase current with zero latency
  • 30 percent less capacitance than competitive devices
  • Respond to any load transient with precise current and voltage positioning
  • The entire system can be controlled via PMBus and AVSBus interfaces

 

Features of ISL993xx and RAA2213xx Smart Power Stages

  • Provide 20A to 90A of maximum continuous current
  • Come with integrated driver and FETs
  • 30% more Space saving over traditional solutions

 

Current reporting at 2% accuracy over line, load, and temperature. The 15 new digital multiphase controllers are available in 4mm x 4mm to 8mm x 8mm QFN packages and the six new smart power stages are available in 4mm x 5mm to 5mm x 6mm QFN Package. All these devices can be purchased from Renesas’ worldwide distributors.

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