Overview
Description
The ZSPM1025C 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 ZSPM1025C 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 ZSPM1025C features user-selectable, preconfigured compensators in the digital control loop optimized for use with the Murata Power Solutions 25A power block. Renesas' easy-to-use Pink Power Designer™ software supports the development of solutions with fully customizable output voltage and capacitance. The software provides monitoring functions for controller operation, status, and system errors. 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
- 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: overcurrent protection, overvoltage protection (VIN, VOUT), undervoltage 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
- 2-pin selection of loop compensation, output voltage and slew rate
- Operation from a single 5V or 3.3V supply
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 1.35 MB | |
| Guide | 7Z 1.21 MB | |
| Manual - Development Tools | PDF 828 KB | |
| Manual - Development Tools | PDF 1.64 MB | |
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Design & Development
Software & Tools
Boards & Kits
Evaluation
ZSPM8725KIT
Not Recommended for New Designs
ZSPM8725 Evaluation Kit for the ZSPM1025C PWM Controller IC and Murata OKLP-X/25-W12-C Power Block
ZSPM8725-KIT supports evaluation of DC/DC point-of-load (POL) applications. The kit incorporates the ZSPM1025C 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 ZSPM8725-KIT Evaluation Kit hardware...
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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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