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International Rectifier Electronic Components Datasheet

IR3590B Datasheet

Digital Multi-Phase Redundant Controller

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Digital Multi-Phase Redundant Controller IR3590B
FEATURES
6-phase single loop configurable PWM Controller
Serial I2C control for Vout changes
Programmable Constant Current Protection
Dead-phase Protection and Flag
Min/Max Telemetry registers and real-time
monitoring via I2C (IIN, VIN, IOUT, VOUT, Temp)
Improved Min/Max Telemetry Resolution
Programmable 1-phase or 2-phase for Light Loads
and Active Diode Emulation for Very Light Loads
IR Adaptive Transient Algorithm (ATA) minimizes
output bulk capacitors and system cost
IR Efficiency Shaping Features including Variable
Gate Drive and Dynamic Phase Control
Auto-Phase Detection with auto-compensation
Fault Protection: Output OVP, UVP, OC Warn,
OCP, OT Warn, OTP
Increased Iccmax range to 510A.
Multiple Time Programming (MTP) with integrated
charge pump for easy custom configuration
Compatible with IR ATL and 3.3V tri-state Drivers
200kHz to 2MHz switching frequency per phase
+3.3V supply voltage; -40°C to 85°C Ambient
Pb-Free, Halogen Free, RoHS, 5x5mm, 40-pin,
0.4mm pitch QFN
DESCRIPTION
The IR3590B is a 6-phase digital, single loop, multi-
phase buck controller with a feature set optimized to
support redundant power supply systems. The
IR3590B 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 IR3590B 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, and
improves transient response and form factor.
The I2C interface can communicate with up to 127
IR3590B-based VR loops. Device configuration and
fault parameters are easily defined using the IR
PowIRcenter GUI and stored in on-chip MTP. MTP
storage saves pins and enables a small package
size.
The IR3590B extensive fault protection includes
output OV, UV and OC protection, a thermistor
based OT protection input with a VRHOT signal
output, and a selectable and separate Over Current
warning flag through the ALERT#.
APPLICATIONS
Supports Phase Redundant based Server
systems
Server CPU
Server Memory
ORDERING INFORMATION
Base Part
Number
IR3590B
Package Type
QFN 5 mm x 5 mm
Standard Pack
Form
Quantity
Tape and Reel
3000
Orderable
Part Number
IR3590BMxxyyTRP2
IR3590B
QFN 5 mm x 5 mm
Tape and Reel
3000
IR3590BMTRPBF1
IR3590B
QFN 5 mm x 5 mm
Tray
4900
IR3590BMTYPBF1
Notes:
1. Unprogrammed/blank parts will not start up until programmed in order to ensure a safe power up.
2. Customer Specific Configuration File, where xx = Customer ID and yy = Configuration File (Codes assigned by IR Marketing).
1 www.irf.com | © 2015 International Rectifier
November 4, 2015 | V1.0


International Rectifier Electronic Components Datasheet

IR3590B Datasheet

Digital Multi-Phase Redundant Controller

No Preview Available !

Digital Multi-Phase Redundant Controller IR3590B
ORDERING INFORMATION
IR3590B M         
P/PBF Lead Free
TR Tape and Reel / TY Tray
yy Configuration File ID
xx Customer ID
Package Type (QFN)
40 39 38 37 36 35 34 33 32 31
ISEN6 1
RCSP 2
RCSM 3
VSEN 4
VRTN 5
NC 6
VAUXSEN/TSEN2 7
TSEN1 8
CFILT 9
VRDY 10
IR3590B
6+0 Redundant
40 Pin 5x5 QFN
Top View
41 GND
30 ISEN5
29 VCC
28 PWM6
27 PWM5
26 PWM4
25 PWM3
24 PWM2
23 PWM1
22 VGD
21 SM_CLK
11 12 13 14 15 16 17 18 19 20
Figure 1: IR3590B Package Top View
2 www.irf.com | © 2015 International Rectifier
November 4, 2015 | V1.0


Part Number IR3590B
Description Digital Multi-Phase Redundant Controller
Maker International Rectifier
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