Overview
Description
IDT's ZSPM1025A single-phase digital PWM controller is optimally configured for use with the Murata Power Solutions 25A Power Block OKLP-X/25 and provides a quick route to proven, high-performance smart digital power solutions. The ZSPM1025A PWM controller integrates a digital control loop optimized for ultra-fast transient response, steady-state performance, stability and design flexibility. For improved system reliability, a rich set of protection and monitoring functions is provided. The ZSPM1025A features user-selectable, preconfigured compensators in the digital control loop optimized for use with the Murata Power Solutions 25A power block. IDT's easy-to-use Pink Power Designer™ software enables solutions that have fully customizable output voltage and output capacitance. PMBus™ digital communications is available for monitoring, configurable protection and sequencing. A downloadable reference solution is available, including a graphical user interface, layout guidelines, bill of materials and step-by-step instructions. It is ready to be immediately implemented in the application design.
Features
- Programmable application-optimized digital control loop
- Advanced, digital control techniques: Tru-sample Technology™, State-Law Control™ (SLC), and Sub-cycle Response™ (SCR)
- Improved transient response and noise immunity
- Protection features: over-current protection, over-voltage protection (VIN, VOUT), under-voltage protection (VIN, VOUT), overloaded startup, over-temperature protection (internal, external), and continuous retry ("hiccup") mode for fault conditions
- Optimized pre-configured digital loop compensators for the Murata Power Block
- PMBus™ configuration for output voltage and monitoring
- Operation from a single 5V or 3.3V supply
Comparison
Applications
Documentation
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Type | Title | Date |
Datasheet | PDF 1.20 MB | |
Guide | 7Z 1.21 MB | |
Manual - Development Tools | PDF 1.42 MB | |
Technical Brief | PDF 370 KB | |
Manual - Development Tools | PDF 1.39 MB | |
5 items
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Design & Development
Software & Tools
Boards & Kits
ZSPM8025 Evaluation Kit for the ZSPM1025A PWM Controller IC and Murata OKLP-X/25-W12-C Power Block
The ZSPM8025-KIT supports evaluation of DC/DC point-of-load (POL) applications. The kit incorporates the ZSPM1025A digital PWM controller IC and the Murata OKLP-X/25-W12-C Power Block to form a "smart" buck converter (a.k.a. step-down DC-to-DC converter). The ZSPM8025-KIT Evaluation Kit hardware...
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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