ZSPM1025A
True Digital PWM Controller (Single-Phase, Single-Rail)
Brief Description
Benefits
The ZSPM1025A is a flexible true-digital single-
phase PWM controller optimally configured for use
with the Murata Power Solutions 25A Power Block
OKLP-X/25 in smart digital power solutions.
Fast time-to-market using off-the-shelf, optimally
configured controller and power block
Fast configurability and design flexibility
Simplified design flow and high reliability via
proven system design solution
The ZSPM1025A integrates a digital control loop,
optimized for maximum flexibility and stability, as
well as load step and steady-state performance. In
addition, a rich set of protection and monitoring
functions is provided. On-chip, non-volatile memory
(NVM) and an I2C™ * interface facilitate configuration.
Reduced component count through system level
integration
Simplified monitoring for system power and
thermal management
Higher energy efficiency across all output loading
conditions
The PC-based ZMDI’s Pink Power Designer™ pro-
vides a user-friendly and easy-to-use interface to the
ZSPM1025A for communication, monitoring, and
configuration of the protection and sequencing
features.
Available Support
Evaluation Kit
PC-based Pink Power Designer™
Features
Physical Characteristics
Programmable digital control loop
Advanced digital control techniques
Operation temperature: -40°C to +125°C
VOUT max: 3.6V
Tru-sample Technology™
State-Law Control™ (SLC)
Sub-cycle Response™ (SCR)
Lead free (RoHS compliant) 24-pin QFN package
(4 mm x 4 mm)
Improved transient response and noise immunity
Protection features
Over-current protection
Over-voltage protection (VIN, VOUT)
Under-voltage protection (VIN, VOUT)
Overloaded startup
ZSPM1025A Typical Application Diagram
ZSPM1025
Murata
Restart and delay
QFN 4x4 mm
OKLP-X/25-W12-C
Fuse-based NVM for improved reliability
Operation from a single 5V or 3.3V supply
Current Sensing
Digital Control Loop
Optional PMBus™ address selection without
external resistors
Power Management
DriverDriver
(Sequencing, Protection,…)
Housekeeping
and
Communication
*
I2C™ is a registered trademark of NXP.
For more information, contact ZMDI via SPM@zmdi.com.
© 2013 Zentrum Mikroelektronik Dresden AG — Rev. 1.00— October 24, 2013. All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated,
stored, or used without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.
ETC [ ETC ]
