ZSPM1035C /
ZSPM1035D
Datasheet
True Digital PWM Controller
(Single-Phase, Single-Rail)
Brief Description
Benefits
The ZSPM1035C and ZSPM1035D are true-digital
single-phase PWM controllers optimally configured
for use with the Murata Power Solutions 35A Power
Block OKLP-X/35-W12-C in smart digital power
solutions.
•
Fast time-to-market using off-the-shelf, optimally
configured controller and power block
•
•
•
•
•
Fast configuration and design flexibility
Simplified design and integration
FPGA designer-friendly solution
The ZSPM1035C and ZSPM1035D integrate a digi-
tal control loop, optimized for maximum flexibility and
stability as well as load step and steady-state perfor-
mance. In addition, a rich set of protection functions
is provided.
Highest power density with smallest footprint
Pin-to-pin compatible with the ZSPM1035A PWM
controller enabling point-of-load platform designs
with or without digital communication
•
Higher energy efficiency across all output loading
conditions
To simplify the system design, a set of optimized
configuration options have been pre-programmed in
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
layouts, complete bill of materials and more.
•
•
•
Evaluation Kit
Reference Solutions
PC-based Pink Power Designer™ Graphic User
Interface (GUI)
Features
Physical Characteristics
•
•
Application-optimized digital control loop
Advanced, digital control techniques
•
•
•
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Operation temperature: -40°C to +125°C
ZSPM1035C VOUT: 0.62V to 1.20V
ZSPM1035D VOUT: 1.25V to 3.40V
•
Tru-sample Technology™
State-Law Control™ (SLC)
Sub-cycle Response™ (SCR)
•
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Lead free (RoHS compliant) 24-pin QFN package
(4mm x 4mm)
•
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Improved transient response and noise immunity
Protection features
•
Over-current protection
ZSPM1035C/D Typical Application Diagram
•
•
•
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Over-voltage protection (VIN, VOUT)
Under-voltage protection (VIN, VOUT)
Overloaded startup
ZSPM1035
Murata
QFN 4x4 mm
OKLP-X/35-W12-C
Current Sensing
Continuous retry (“hiccup”) mode for fault
conditions
VIN
12V typical
Digital Control Loop
•
Pre-programmed for optimized use with Murata
Power Solutions 35A Power Block OKLP-X/35-
W12-C
Power Management
DriverDriver
(Sequencing, Protection,…)
VOUT
•
•
2-pin configuration for loop compensation, output
voltage, and slew rate.
Operation from a single 5V or 3.3V supply
Housekeeping
and
Communication
© 2016 Integrated Device Technology, Inc.
1
January 25, 2016
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