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ISL68221IRAZ Datasheet(PDF) 1 Page - Renesas Technology Corp |
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ISL68221IRAZ Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 98 page  FN9331 Rev.1.00 Page 1 of 97 Oct.1.20 ISL68221 Digital Triple Output, 3-Phase PWM Controller Datasheet The ISL68221 is a digital triple output multiphase (X+Y+Z ≤ 3) PWM controller with PMBus V 1.3 compatibility. The controller can be configured to support any desired phase assignments up to a maximum of three phases across the three outputs (X, Y, and Z). For example, 1+1+1, 1+1+0, or even single output operation as a 3+0 configuration is supported. When combined with the Renesas family of Smart Power Stages and DrMOS devices, designs of exceptional density and performance can be created. The ISL68221 uses the Renesas proprietary 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 • Artificial intelligence/accelerator cards (FPGA, ASIC) • Network equipment • Server/storage equipment • Telecom/datacom equipment • Point-of-load power supply (memory, DSP, ASIC, FPGA) Related Literature For a full list of related documents, visit our website: • ISL68221 device page 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 DVID performance ○ Zero latency synthetic current control for excellent high frequency current balance • Flexible phase assignment from 0 to 3 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 the Renesas smart power stage 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) |
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