ZSPM1035A True Digital PWM Controller (Single-Phase, Single-Rail) Datasheet Brief Description Benefits The ZSPM1035A is a flexible true-digital single- Fast time-to-market using off-the-shelf, optimally phase PWM controller optimally configured for use configured controller and power block with the Murata Power Solutions 35A Power Block Fast configurability and design flexibility OKLP-X/35-W12-C in smart digital power solutions. Simplified design flow and high reliability via The ZSPM1035A integrates a digital control loop, proven system design solution optimized for maximum flexibility and stability, as Reduced component count through system level well as load step and steady-state performance. In integration addition, a rich set of protection and monitoring func- Simplified monitoring for system power and tions is provided. On-chip, non-volatile memory thermal management 2 * (NVM) and an I C interface facilitate Pin-to-pin compatible with the ZSPM1035C and configuration. ZSPM1035D PWM controllers enabling point-of- IDTs PC-based Pink Power Designer graphic load platform designs with or without digital user interface (GUI) provides a user-friendly and communication easy-to-use interface to the ZSPM1035A for com- Higher energy efficiency across all output loading munication, monitoring, and configuration of the pro- conditions tection and sequencing features. A downloadable reference solution is available, Available Support including a graphical user interface, layout guide- Evaluation Kit lines, bill of materials, and step-by-step instructions. Reference Solution PC-based Pink Power Designer GUI Features Programmable digital control loop Physical Characteristics Advanced digital control techniques Operation temperature: -40C to +125C Tru-sample Technology V : 0.35V to 3.6V OUT State-Law Control (SLC) Lead free (RoHS compliant) 24-pin QFN package Sub-cycle Response (SCR) (4mm x 4mm) Improved transient response and noise immunity Protection features ZSPM1035A Typical Application Diagram Over-current protection Over-voltage protection (VIN, VOUT) ZSPM1035 Murata QFN 4x4 mm OKLP-X/35-W12-C Under-voltage protection (VIN, VOUT) Current Sensing Overloaded startup V IN 12V typical Continuous retry (hiccup) mode for fault Digital Control Loop conditions Fuse-based NVM for improved reliability Power Management Operation from a single 5V or 3.3V supply Driver (Sequencing, Protection,) Driver VOUT Optional PMBus address selection without external resistors Housekeeping and Communication 2 * I C is a registered trademark of NXP. 2016 Integrated Device Technology, Inc. 1 January 27, 2016 ZSPM1035A True Digital PWM Controller (Single-Phase, Single-Rail) Datasheet Current Sensing ZSPM1035A Block Diagram ISNSP Average Current Current Limiting Sensing ISNSN Digital Control Loop VFBP VFB PWM FLASH Adaptive Digital PWM VFBN ADC Controller LSE DAC OC Detection Sequencer OV Detection Configurable DAC OT Detection Error Handler Typical Applications Vin OV/UV Detection Bias Telecom Switches Int. Temp Current Sense VREF VREFP Source Vout UV Detection Servers and Storage Base Stations 1.8V Reg AVDD18 TEMP Analog NVM Network Routers ADDR0 HKADC CPU Core (OTP) ADDR1 1.8V Reg Industrial Applications VDD18 VIN Digital Single-Rail/Single-Phase GPIO SMBus Supplies for Processors, Clock 3.3V VDD33 Generation Reg ASICs, FPGAs, DSPs Ordering Information Sales Code Description Package ZSPM1035AA1W 1 ZSPM1035A Lead-free QFN24 Temperature range: -40C to +125C * Reel ZSPM8035-KIT Evaluation Kit for ZSPM1035A with PMBus Communication Interface Pink Power Designer GUI Kit for kit can be downloaded from the IDT web site at www.IDT.com/ZSPM1035A * This product is sold under a limited license from PowerOne, Inc. related to digital power technology as set forth in U.S. Patent 7000125 and other related patents owned by PowerOne, Inc. This license does not extend to stand-alone power supply products. Corporate Headquarters Sales Tech Support 6024 Silver Creek Valley Road 1-800-345-7015 or 408-284-8200 www.IDT.com/go/support San Jose, CA 95138 Fax: 408-284-2775 www.IDT.com www.IDT.com/go/sales DISCLAIMER Integrated Device Technology, Inc. (IDT) reserves the right to modify the products and/or specifications described herein at any time, without notice, at IDT s sole discretion. Performance specifications and operating parameters of the described products are determined in an independent state and are not guaranteed to perform the same way when installed in customer products. The information contained herein is provided without representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of IDT s products for any particular purpose, an implied warranty of merchantability, or non-infringement of the intellectual property rights of others. This document is presented only as a guide and does not convey any license under intellectual property rights of IDT or any third parties. IDT s products are not intended for use in applications involving extreme environmental conditions or in life support systems or similar devices where the failure or malfunction of an IDT product can be reasonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their own risk, absent an express, written agreement by IDT. Integrated Device Technology, IDT and the IDT logo are trademarks or registered trademarks of IDT and its subsidiaries in the United States and other countries. Other trademarks used herein are the property of IDT or their respective third party owners. For datasheet type definitions and a glossary of common terms, visit www.idt.com/go/glossary. All contents of this document are copyright of Integrated Device Technology, Inc. All rights reserved. 2016 Integrated Device Technology, Inc. 2 January 27, 2016 ADCVREF GPIO0 PGOOD CONTROL SDA SCL SMBALERT VDD50