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A platform overview of the Renesas family of new generation multiphase controllers is shown on this slide. It features a fully digital linear current modulator with up to two outputs, namely X and Y. Two different device configuration options are available, up to seven phases across two outputs in a 48-pin 6 mm x 6 mm package, and up to four phases across two outputs in a compact 40-pin 5 mm x 5 mm package. At the heart of this family of digital multiphase controllers is Renesas' patented synthetic current modulation technology. It uses the synthetic current that is generated cycle-by-cycle for high frequency current balancing and to support fast transient response compared with any competing solution in the market. With only synthetic current entering the loop, the user can realize a noise-free, full bandwidth linear loop using the digital modulator technology to achieve fastest transient response. Competing current mode enabled solutions rely on a second current loop to support current balancing, which adds latency in the design and subsequently impacts transient response time. The full digital compensator enables adaptive “on-the fly” loop tuning using Renesas' PowerNavigator software, therefore eliminating external RC components typically found in competing designs. With on-chip NVM, the user has the option to store up to eight different device configurations, each accessible via a pin strap resistor. The full digital controller family of products supports a comprehensive telemetry and fault management system to enable highly reliable designs. Features such as a Black Box to record full telemetry and fault status bits during a catastrophic shutdown enable a user to quickly troubleshoot a deployed system. The controller family supports the full industrial temperature range, supports all major standard interfaces to power any microprocessor, SOC or FPGA solution in the marketplace, and is complemented by Renesas' growing portfolio of power stages like the ISL99227, which is a 60 A Smart Power Stage with integrated current and temperature sense.
