ZSPM1025C / True Digital PWM Controller ZSPM1025D (Single-Phase, Single-Rail) Datasheet Brief Description Benefits The ZSPM1025C and ZSPM1025D are true-digital Fast time-to-market using off-the-shelf, optimally single-phase PWM controllers optimally configured configured controller and power block for use with the Murata Power Solutions 25A Power Fast configuration and design flexibility Block OKLP-X/25 in smart digital power solutions. Simplified design and integration The ZSPM1025C and ZSPM1025D integrate a FPGA designer-friendly solution digital control loop, optimized for maximum flexibility Highest power density with smallest footprint and stability as well as load step and steady-state Pin-to-pin compatible with the ZSPM1025A PWM performance. In addition, a rich set of protection controller enabling point-of-load platform designs functions is provided. with or without digital communication To simplify the system design, a set of optimized Higher energy efficiency across all output loading configuration options have been pre-programmed in conditions the devices. These configurations can be selected by setting the values of two external resistors. Available Support Reference solutions are available complete with layout recommendations, example circuit board Evaluation Kit layouts, complete bill of materials and more. Reference Solutions PC-based Pink Power Designer Graphic User Interface (GUI) Features Application-optimized digital control loop Physical Characteristics Advanced, digital control techniques Tru-sample Technology Operation temperature: -40C to +125C State-Law Control (SLC) ZSPM1025C V : 0.62V to 1.20V OUT Sub-cycle Response (SCR) ZSPM1025D V : 1.25V to 3.40V OUT Improved transient response and noise immunity Lead free (RoHS compliant) 24-pin QFN package Protection features (4mm x 4mm) Over-current protection Over-voltage protection (VIN, VOUT) ZSPM1025C/D Typical Application Diagram Under-voltage protection (VIN, VOUT) ZSPM1025 Murata Overloaded startup QFN 4x4 mm OKLP-X/25-W12-C Continuous retry (hiccup) mode for fault Current Sensing conditions Pre-programmed for optimized use with Murata Digital Control Loop Power Solutions 25A Power Block OKLP-X/25 2-pin configuration for loop compensation, output Power Management voltage, and slew rate. Driver (Sequencing, Protection,) Driver Operation from a single 5V or 3.3V supply Housekeeping and Communication 2016 Integrated Device Technology, Inc. 1 January 22, 2016 ZSPM1025C / True Digital PWM Controller ZSPM1025D (Single-Phase, Single-Rail) Datasheet Current Sensing ZSPM1025C/D Block Diagram ISNSP Average Current Sensing ISNSN Digital Control Loop VFBP VFB PWM FLASH Adaptive Digital PWM VFBN ADC Controller LSE DAC Typical Applications OC Detection Sequencer Telecom Switches OV Detection Servers and Storage DAC Configurable OT Detection Error Handler Base Stations Vin OV/UV Network Routers Detection Bias Int. Temp Current Sense Industrial Applications VREFP Source VREF Vout UV Detection FPGA Designs 1.8V Reg AVDD18 TEMP Analog Point-of-load power solutions NVM CONFIG0 HKADC CPU Core (OTP) CONFIG1 Telecommunications 1.8V Reg VDD18 VIN Digital Single-Rail/Single-Phase supplies for Processors, GPIO Clock 3.3V VDD33 ASICs, DSPs, etc. Generation Reg Ordering Information Sales Code Description Package ZSPM1025CA1W 0 ZSPM1025C Lead-free QFN24 Temperature range: -40C to +125C 7 Reel ZSPM1025DA1W 0 ZSPM1025D Lead-free QFN24 Temperature range: -40C to +125C 7 Reel ZSPM8725-KIT Evaluation Kit for ZSPM1025C with PMBus Communication Interface * Kit ZSPM8825-KIT Evaluation Kit for ZSPM1025D with PMBus Communication Interface * Kit * Pink Power Designer GUI for kit can be downloaded from the IDT web site at www.IDT.com/ZSPM1025C or www.IDT.com/ZSPM1025D. 2016 Integrated Device Technology, Inc. 2 January 22, 2016 ADCVREF GPIO0 PGOOD CONTROL GPIO1 GPIO2 GPIO3 VDD50