IR3563A_15 Datasheet, PDF (1/4 Pages) International Rectifier – Single Output Digital Multi-Phase Controller

Single Output Digital Multi-Phase Controller _IR3563A
FEATURES
 8-phase single output PWM Controller
 Intel® VR12 mode & Memory VR mode
 Overclocking & Gaming Mode
 PVI and SVI GPU VR modes
 Switching frequency from 200kHz to 2MHz
per phase
 IR Efficiency Shaping Features including Variable
Gate Drive, Dynamic Phase Control and
Automatic Power State Switching
 Programmable 1-phase operation for Light Loads
and Active Diode Emulation for Very Light Loads
 IR Adaptive Transient Algorithm (ATA) minimizes
output bulk capacitors and system cost
 Auto-Phase Detection with auto-compensation
 Fault Protection: OVP, UVP, OCP, OTP, CFP
 I2C/SMBus/PMBus system interface for telemetry
of Temperature, Voltage, Current & Power
 Multiple Time Programming (MTP) with integrated
charge pump for easy custom configuration
 Compatible with IR ATL and 3.3V tri-state Drivers
 +3.3V supply voltage; -40ºC to 85ºC ambient
operation
 Pb-Free, RoHS, 6x6mm 48-pin, 0.4mm pitch QFN
APPLICATIONS
 Intel® VR12 based systems
 Overclocked & Gaming platforms
DESCRIPTION
The IR3563A is a single-loop digital multi-phase
buck controller that controls up to 8 phases. The
IR3563A is fully Intel® VR12 compliant.
The IR3563A includes IR’s Efficiency Shaping
Technology to deliver exceptional efficiency at
minimum cost across the entire load range. IR
Variable Gate Drive optimizes the MOSFET gate
drive voltage based on real-time load current. IR’s
Dynamic Phase Control adds/drops phases based
upon load current. The IR3563A can be configured
to enter 1-phase operation and active diode
emulation mode automatically or by command.
IR’s unique Adaptive Transient Algorithm (ATA),
based on proprietary non-linear digital PWM
algorithms, minimizes output bulk capacitors.
The I2C/PMBus interface can communicate with up
to 16 IR3563A-based VR loops. Device
configuration and fault parameters are easily defined
using the IR Digital Power Design Center (DPDC)
GUI and stored in on-chip MTP. MTP storage saves
pins and enables a small package size.
The IR3563A provides extensive OVP, UVP, OCP
and OTP fault protection and includes thermistor
based temperature sensing with VRHOT signal.
The IR3563A also includes numerous features like
register diagnostics for fast design cycles and
platform differentiation, simplifying VRD design and
enabling fastest time-to-market with its “set-and-
forget” methodology.
ORDERING INFORMATION
Base Part
Number
IR3563A
Package Type
QFN 6 mm x 6 mm
Standard Pack
Form
Quantity
Tape and Reel
3000
Orderable
Part Number
IR3563AMxxyyTRP¹
IR3563A
QFN 6 mm x 6 mm
Tape and Reel
3000
IR3563AMTRPBF
IR3563A
QFN 6 mm x 6 mm
Tray
4900
IR3563AMTYPBF
Notes:
1. Customer Specific Configuration File, where xx = Customer ID and yy = Configuration File (Codes assigned by IR Marketing).
1 www.irf.com | © 2013 International Rectifier | Product Brief |
October 1, 2013 | V3.04