ZSPM1063
True Digital PWM Controller
(Single-Phase, Single-Rail)
Datasheet
Brief Description
Features
The ZSPM1063 is a configurable true-digital single-
phase PWM controller for high-current, non-isolated
DC/DC supplies. It operates as a synchronous step-
down converter in a single-rail and single-phase con-
figuration.
Programmable digital control loop
Optional PMBus™ address selection without
external resistors
VIN feed-forward
Advanced, digital control techniques
The ZSPM1063 integrates a digital control loop, opti-
mized 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.
.
.
.
Tru-sample Technology™
State-Law Control™ (SLC)
Sub-cycle Response™ (SCR)
Improved transient response and noise immunity
Discontinuous conduction mode (DCM) at light
loads
The PC-based IDT Pink Power Designer™ graphical
user interface (GUI) provides a user-friendly and
easy-to-use interface to the device for communica-
tion and configuration. It can guide the user through
the design of the digital compensator and offers
intuitive configuration methods for additional
features, including protection and sequencing.
Protection features
.
.
.
.
.
Over-current protection
Over-voltage protection (VIN, VOUT
)
Under-voltage protection (VIN, VOUT
Overloaded startup
)
Restart and delay
Fuse-based NVM for improved reliability
Benefits
Re-programmable one-time programmable (OTP)
memory feature
Fast configurability and design flexibility
Simplified design and integration
VOUT sequencing from external source
Pin-strapping options: RTUNE and RVSET
Tri-state PWM output
Reduced component count through system level
integration
Simplified monitoring for system power and
thermal management
Additional driver support options
Constant on-time controller (COT) in DCM
Higher energy efficiency across all output loading
conditions
ZSPM1063 Typical Application Diagram
Physical Characteristics
ZSPM1063
QFN32 5mm x 5mm
ZSPM9060
PQFN 6mm x 6mm
Operation temperature: -40°C to +125°C
Operation from a single 5V or 3.3V supply
VOUT max: 5V
VIN
Current Sensing
Digital Control Loop
Power Management
Lead-free (RoHS compliant) 32-pin QFN package
(5mm x 5mm)
MOSFET
Driver
Available Support
Housekeeping
and
Communication
Evaluation Kit
PC-based Pink Power Designer™ GUI
© 2016 Integrated Device Technology, Inc.
1
May 11, 2016
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