ZSPM1501ZA1W0 Datasheet, PDF (1/101 Pages) Integrated Device Technology – True-Digital PWM Controller

True-Digital PWM Controller
(Single-Phase, Single-Rail)
ZSPM15xx
Datasheet
Brief Description
ZSPM15xx family ICs are controllers designed for
high-current, non-isolated DC/DC step-down point of
load (POL) converters. The ZSPM15xx has a digital
control loop that is optimized for maximum stability
as well as load step and steady-state performance.
ZSPM15xx family ICs have a rich set of integrated
fault protection features including over-voltage/
under-voltage, output over-current, and over-temper-
ature protections. To facilitate ease of use, the
ZSPM15xx is pre-programmed and available for
common output voltages. To provide flexibility for the
end-customer, the over-current protection threshold
and the control loop compensation are selectable by
the end-customer to match a number of selected
power stages.
ZSPM15xx family ICs have been optimized for max-
imum efficiency when used with IDT’s DrMOS
devices. Reference designs and application instruc-
tions enable a high performance turnkey solution
without extensive engineering development.
Features
• Advanced digital control techniques
• Tru-sample Technology™
• State-Law Control™ (SLC)
• Preconfigured compensation for selected
inductance values.
• Improved transient response and noise immunity
• Protection features
• Configuration for over-current protection
• Over-voltage protection (VIN, VOUT)
• Under-voltage protection (VIN, VOUT)
• Over-temperature protection
• Overloaded startup
• Restart and delay
Benefits
• Factory pre-configured for industry standard
output voltages and currents enabling fast
time-to-market
• Simplified design and integration
• FPGA designer-friendly solution
• Highest power density with smallest footprint
• Higher energy efficiency across all output loading
conditions
• Operation from a single 5V supply
Available Support
• Reference designs
• Evaluation kits
Physical Characteristics
• Operation temperature: -40°C to +125°C
• V_IN for POL application:10.8V to 13.2V
• VDD50 voltage supply: 4.75 to 5.25V
• Available Output Voltages: 0.85V, 1.0V, 1.2V,
1.5V, 1.8V, 2.0V, 2.5V, 3.3V, and 5.0V
• Lead free (RoHS compliant) 24-pin QFN package
(4mm x 4mm)
ZSPM15xx Typical Application Diagram
ZSPM15xx
QFN 4x4 mm
Current Sensing
Digital Control Loop
ZSPM90xx
PQFN 6x6 mm
Power Management
(Sequencing, Protection,…)
DrDivreivrer
Housekeeping
and
Communication
© 2016 Integrated Device Technology, Inc.
1
January 27, 2016