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ISL68236IRAZ Datasheet(PDF) 1 Page - Renesas Technology Corp |
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ISL68236IRAZ Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 107 page  R16DS0047EU0100 Rev.1.00 Page 1 of 106 Oct.1.20 ISL68225, ISL68236 Digital Dual Output, 9-Phase PWM Controller Datasheet The ISL68225 and ISL68236 are digital dual output multiphase (X+Y ≤ 9) PWM controllers supporting PMBus V1.3/AVSBus interfaces. The controllers can be configured to support phase assignments up to a maximum of nine phases across the two outputs (X and Y). For example, 8+1, 7+2, 6+3, 5+4, or a single output operation as a 9+0 configuration is supported. Increased power density and PMBus V1.3 interface support allow the devices to support any demanding power supply requirement. Additionally, the ISL68236 with AVSBus complements PMBus by providing a common high-speed interface to accelerate point-to-point communication between the controller and load to statically and dynamically control the processor voltage and deliver a balanced, power efficient design. The ISL68225 and ISL68236 use the proprietary Renesas digital synthetic current modulation scheme to achieve the industry-best combination of transient response, ease of tuning, and efficiency across the full load range. Diode emulation and automatic phase add/drop features allow you to extract maximum efficiency from the converter regardless of load conditions. You can use the intuitive Renesas PowerNavigator™ software to configure and monitor the device. With minimal external components, easy configuration, robust fault management, and highly accurate regulation capability, implementing a high-performance, multiphase regulator has never been easier. Applications • DDR memory solutions • Artificial intelligence/accelerator cards (FPGA, ASIC) • Network equipment • Server/storage equipment • Telecom/datacom equipment • Point-of-load power supply (DSP, ASIC, FPGA) Features • Advanced linear digital modulation scheme ○ Auto phase add/drop with PFM mode for excellent load vs efficiency profile ○ Dual edge modulation with optional diode braking for faster transient response ○ Excellent VOUT transition performance ○ Zero latency synthetic current control for excellent high frequency current balance • Flexible phase assignment from 0 to 9 phases per output • Up to 2MHz switching frequency operation for high density designs • Differential remote voltage sensing supports ±0.5% closed-loop system accuracy over load, line, and temperature • Highly accurate current sensing for excellent load-line regulation and accurate OCP ○ Supports the full range of Renesas Smart Power Stage (SPS) devices • Comprehensive fault management enables high reliability systems ○ Pulse-by-pulse (per phase) and total output current limiting ○ Black Box status recording capability with first fault indicator • Intuitive configuration using PowerNavigator • SMBus/PMBus V1.3 compatible • Up to 16 user configurations stored in device Non-Volatile Memory (NVM) Related Literature For a full list of related documents, visit our website: • ISL68225 and ISL68236 device pages |
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