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ISL68229IRAZ Datasheet(PDF) 1 Page - Renesas Technology Corp |
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ISL68229IRAZ Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 107 page  R16DS0006EU0101 Rev.1.01 Page 1 of 106 Jul 21, 2022 © 2020-2022 Renesas Electronics ISL68229, ISL68239 Digital Triple Output, 12-Phase PWM Controller Datasheet The ISL68229 and ISL68239 are digital triple output multiphase (X+Y+Z ≤ 12) PWM controllers supporting PMBus V1.3/AVSBus interfaces. The controller can be configured to support any phase assignments up to a maximum of twelve phases across the three outputs (X, Y, and Z). For example, 10+1+1, 10+2, 8+2+1, 1+1, or even single output operation as a 12+0 configuration is supported. Increased power density, combined with support for the PMBus V1.3 interface, allows the device to support any demanding power supply requirement. Additionally, the ISL68239 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, delivering a balanced, power efficient design. The ISL68229 and ISL68239 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™ 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 (memory, 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 12 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) |
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