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Intel

ED8401 Datasheet Preview

ED8401 Datasheet

Digital Multi-Phase Controller

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Data SheeT
Intel® Enpirion® Power Solutions
ED8401 Digital Multi-Phase Controller
Multi Phase, Single Output, Fully Digital Step-down Controller with PMBusTM
v1.2 Compliant Interface
Description
Features
The ED8401 is a true digital multi-phase step-down
controller for non-isolated, high current DC/DC
applications. A PMBus version 1.2 compliant
interface provides setup, control, and telemetry.
Differential remote sensing and ±0.5% set-point
accuracy provides precise regulation over line, load
and temperature variation to provide excellent
static regulation for today’s FPGAs, ASICs,
processors, and DDR memory devices.
The ED8401 can be configured and controlled in
any application by two methods, either in pin-strap
mode using onboard resistors, or using the PMBUS
interface. The customer can also configure the
device during engineering evaluation using the
PMBUS interface, which offers a high degree of
flexibility and programmability, and then use the pin
strap mode when devices are deployed in
production. The Intel Enpirion Digital Power
Configurator provides a user-friendly and easy-to-
use interface for communicating with and
configuring the device.
The ED8401 offers a scalable solution by operating
in 4, 3, or 2 phase mode. Combined with the Intel
Enpirion ET6160LI power stage, this enables an
optimized load current range to greater than 200A.
Programmable digital control loops
All Phases actively current balanced
Tracking pin for complex power sequencing
Vin Feed-forward
Individual Tmon input for each Phase
Meets all high-performance FPGA requirements
oDigital loop for excellent transient response
o0.5% set-point over line, load, temperature
oDifferential remote sensing
oMonotonic startup into pre-bias output
oOptimized FPGA configs stored in NVM
Programmable through PMBus
oVOUT margining, startup and shutdown delays
oProgrammable warnings, faults and response
Operational without PMBus
oRVSET resistor for setting VOUT
oRTUNE resistor for single resistor-based
compensation
Programmable Overcurrent Response
oLatch Off (default)
o Hiccup
Protection features
oOver-Current Protection
oOver Voltage protection VIN VOUT
oUnder Voltage protection VIN VOUT
oOver Temperature
oRestart and delay times
Fuse-Based NVM for improved reliability
RoHS compliant, MSL level 3, 260°C reflow
Small 5mmx5mmx0.9mm QFN Package
Applications
High performance FPGA Core Supply
ASIC and processor supply rails
Page 1
15612
April 2, 2020
Rev B




Intel

ED8401 Datasheet Preview

ED8401 Datasheet

Digital Multi-Phase Controller

No Preview Available !

Data Sheet | Intel Enpirion Power Solutions: ED8401
Ordering Information
Part Number
ED8401P01QI
ED8401P03QI
ED8401P05QI
EVB-ED8401P01
EVB-ED8401P03
EVB-ED8401P05
EVI-EM2COMIF
Configuration*
Package
Markings
Package Description
4-Phase
500kHz
84011
5 mm x 5 mm x 0.9mm QFN40
3-Phase
500kHz
84013
5 mm x 5 mm x 0.9mm QFN40
2-Phase
500kHz
84015
5 mm x 5 mm x 0.9mm QFN40
Evaluation board; 4-Phase, 500kHz
Evaluation board; 3-Phase, 500kHz
Evaluation board; 2-Phase, 500kHz
GUI interface dongle
* For alternative configurations contact Sales
Packing and Marking Information: www.intel.com/content/www/us/en/programmable/support/quality-
and-reliability/packing.html
Page 2
15612
April 2, 2020
Rev B



Part Number ED8401
Description Digital Multi-Phase Controller
Maker Intel
Total Page 3 Pages
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