Analog Solutions—Robust, Reliable Performance VR500 Multi-Output DC/DC Regulator Target Applications Overview • Internet of Things (IoT) gateway The VR500 power management solution for network processor systems is a high-efficiency, • Industrial automation quad buck regulator with up to 4.5 A output and five user-programmable LDOs. With four and control buck regulators and five LDO output channels, the VR500 powers more than the network • M2M devices processor, significantly reducing design complexity and the overall bill of materials (BOM). The highly integrated VR500 output voltage, frequency and turn-on sequence is user • Mobile wireless router programmable using I2C. • MFP printer The VR500 is ideally suited to power system solutions based on QorIQ LS1 networking • Network attached storage communications processors with unique programmable multiple DC/DC and LDO outputs. The VR500 has been incorporated into multiple QorIQ LS1/T1 networking communications processor reference platforms. This collaboration provides platform-level solutions from a single supplier to enable faster time to market and reduced engineering effort. Features • Optimized to work with QorIQ LS102x/ T102x communications processors • Vin = 3.3 Vbus (2.8 V to 4.5 V supply) • High full load efficiency with 91% peak • Five user programmable LDOs • Customizable preprogrammed output voltages, sequencing or timing available • DDR reference voltage LDO • Dynamic regulator control of voltage, current limit, and frequency via I2C • Four independent buck converters • High power 8 x 8 mm QFN wettable flank package • Auto qualified AEC Q100 grade 2 • Forced PWM/PFM or APS operation • Power control logic with processor interface and event detection VR500 Simplified Application Block Diagram VR500 LS102X SW1 Power Control Logic 3.3 VIN BUS SW2 LDO2 LDO4 LDO5 SW3 VDD TA_BB_VDD VDDC OVDD1/2 L1VDD OVDD GVDD SW4 REFOUT DDR3 1.5 GB VTT LDO1 HDMI LDO3 Ethernet • Automatic teller machine (ATM) • Automotive wireless router Freescale: A Leader in Analog Solutions VR500 Multi-Output DC/DC Regulator and QorIQ LS102x Communications Processor System Block Diagram Expanding on more than 30 years of innovation, Freescale is a leading provider LS102x VR500 of high-performance products that use VDD SMARTMOS technology combining digital, SW1 1.0 V, 4.5 A power and standard analog functions. SW2 1.0 V, 2.0 A TA_BB_VDD VDDC Freescale supplies analog and power automotive, consumer, industrial and networking markets. Analog solutions interface with real world signals to control 3.3 Vin Bus and drive complete embedded systems. Complete Enablement, Rich Ecosytem For customer evaluation, the VR500 multi-output DC/DC regulator and QorIQ LS102x communications processors will be supported by modular tools along with third-party platforms developed by Freescale’s embedded board solution partners. The VR500 powers the complete QorIQ LS102x IoT reference design as well as LS1021_TWR_Rev2 board. All QorIQ LS series devices are supported by our extensive third-party ecosystem, the largest and most established in the communications market. In conjunction with our expertise and worldwide support infrastructure, the ecosystem helps customers accelerate their migration from both competitive solutions and from legacy Freescale devices, preserve investment costs and reduce time to market. Power Control Logic management ICs that are advancing the LDO2 1.8 V, 100 mA LDO4 2.5 V, 100 mA LDO5 1.8 V, 200 mA OVDD1/2 L1VDD OVDD SW3 1.35 V, 2.5 A SW4 0.675 V (VTT mode), 1.0 A (Peak) VREFDDR 0.675 V, 10 mA LDO1 1.2 V, 250 mA LDO3 2.5 V, 350 mA GVDD DDR3 1.5 GB HDMI Ethernet VR500 Differentiators Features Benefits Four buck converters High-efficiency, lower power dissipation, longer battery life Five LDOs Flexibility to power peripherals No external resistor divider required to set output voltage Lower external component count; Better overall Vout accuracy I2C digital interface for programmability On-the-fly voltage scaling for better system efficiency PWM/PFM or APS (Auto-Pulse Skipping Mode) Higher light load efficiency—longer battery standby time 8 x 8 mm WF-QFN power package Excellent thermal performance and improved inspection of the solder joints during fabrication process Documentation Freescale Document Number Title Description Multi-Output DC/DC Regulator Data Sheet SG1002 Analog Product Selector Guide Selector Guide SG200 Industrial Product Selector Guide Selector guide VR500 Processor Line-up VR500 Version Target Processor Reference Design MC34VR500V1ES LS1020/LS1021/ LS1022 TWR-LS1021A-PB/ LS1021A-OITB MC34VR500V2ES MC34VR500V3ES MC34VR500V4ES MC34VR500V5ES LS1043A/ T1023A/ T1013A LS1043A RDB/ T1023RDB DDR Memory SW4 VTT Mode DDR3L 0.675V N/A Disabled DDR4 0.6V DDR4 0.6V DDR3L 0.675V For more information, visit freescale.com/analog or freescale.com/VR500 Freescale, the Freescale logo and QorlQ are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. SMARTMOS is a trademark of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2014, 2015 Freescale Semiconductor, Inc. Document Number: MC34VR500A4FS REV 4.0