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reference designZSPM1511

Renesas ZSPM1511

True-Digital PWM Controller (Single-Phase, Single-Rail)

Overview

TopologyBuck Converter
Input voltage10.8-13.2 V
Output 10.85 V
IC revision2.2

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 digitalcontrol loop that is optimized for maximum stability as well as load step and steady-state performance. ZSPM15xx family ICs have a rich set of integratedfault protection features including over-voltage under-voltage, output over-current, and over-temperature protections. To facilitate ease of use, theZSPM15xx 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 maximum efficiency when used with ZMDI’s DrMOSdevices. Reference designs and application instructions enable a high performance turnkey solution without extensive engineering development.

Features

  • Advanced digital control techniquesTru-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

Typical applications

  • Servers and Storage
  • Base Stations
  • Network Routers
  • Industrial Applications
  • Telecom Switches
  • Single-Rail/Single-Phase Supplies for Processors, ASICs, FPGAs, DSPs

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
Material
LR(µH)
fres(MHz)
SamplesAvailability & Sample
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7443310068
SPECWE-HCC SMT High Current Cube Inductor, 0.68 µH, 40.2 A
Simu­lation
Availability
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Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCC SMT High Current Cube Inductor
Inductance0.68 µH
Performance Rated Current40.2 A
Saturation Current @ 10%39.3 A
Saturation Current @ 30%63.5 A
DC Resistance1.85 mΩ
MaterialIron Powder 
Rated Inductance0.66 µH
Self Resonant Frequency120 MHz
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