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Intersil Electronic Components Datasheet

ISL6592 Datasheet

6-Phase Digital Multiphase Controller

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®
Data Sheet
August 5, 2005
ISL6592
FN9163.1
6-Phase Digital Multiphase Controller
The ISL6592 digital multiphase controller provides core
power for today's high current microprocessors by driving up
to six synchronous-rectified buck-converter channels in
parallel. Interleaved timing of the channels results in a higher
ripple frequency, reducing input and output ripple. With up to
six phases, each capable of up to 1.5MHz operation, the
ISL6592 can be used to build DC/DC converters that provide
up to 200A with excellent efficiency, low ripple, and the
lowest component count.
The ISL6592 utilizes digital technology to implement all
control functions, providing the ultimate in flexibility and
stability. The ISL6592 incorporates an industry standard I2C
serial interface for control and monitoring. Through the serial
interface, the power supply designer can quickly optimize
designs and monitor parameters. The interface allows the
ISL6592 to provide digitized information for real time system
monitoring and control.
The ISL6592 provides superior loadline accuracy through
internal calibration that measures and corrects current sense
error sources upon start-up. The ISL6592 has
programmable current sense temperature compensation
that allows the designer to tailor the response for best
loadline accuracy over temperature. Superior loadline
accuracy reduces component count and solution cost.
To further reduce component count the ISL6592
incorporates patented Active Transient Response (ATR)
technology, allowing the fastest response to transient events
for reduced output capacitance.
The flexibility of the ISL6592 allows the power supply
designer to implement a wide range of solutions. When used
with industry standard power train components, ISL6592
provides the highest performance with lowest component
count and cost. When area is at a premium, ISL6592 can be
used with the ISL6597 integrated power stage to implement
the industry's highest density power solutions.
Ordering Information
TEMP.
PART NUMBER RANGE (°C)
PACKAGE
PKG.
DWG. #
ISL6592DNZ-T
(Note)
0 to 85
48 Ld 7x7 LQFP
(Pb-free)
Q48.7x7A
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100% matte
tin plate termination finish, which are RoHS compliant and compatible
with both SnPb and Pb-free soldering operations. Intersil Pb-free
products are MSL classified at Pb-free peak reflow temperatures that
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
Features
• Multiphase power conversion
- 2- to 6-phase operation
• 300kHz to 1.5MHz switching frequency
• Supports Intel® VR 10.x, AMD®, and custom VID codes
• Internal high precision voltage reference
- ±5mV voltage setpoint accuracy
• Precision digital current sense calibration
- ±14mV loadline accuracy
• Precise digital current balancing with programmable
offsets for thermal balancing
• Digitally programmable loadline and loop compensation
• Differential voltage sense
• Digital temperature sensor compensation
• Active Transient Response (ATR) enables meeting
transient requirements with reduced output capacitance
• I2C interface for monitoring, control and configuration
• Internal non-volatile memory (NVM) to store custom
configurations with four programmable system
configurations
• Extensive fault detection capability with two user
configurable output fault pins
- Input Undervoltage
- Output Under/Overvoltage
- High Side Short
- Per Phase and Total Output Current
- Multiple Internal and External Temperature Limits
- -NVM Configuration
- Calibration Range and Time-Out
• Configurable latched fault or autonomous recovery
shutdown
• Single +3.3V supply operation
• 48 lead LQFP plastic package
• Commercial temperature range of 0°C to 85°C ambient
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Core power regulation for Intel® and AMD® mprocessors
• Intelligent point-of-load (POL) power regulation
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.


Intersil Electronic Components Datasheet

ISL6592 Datasheet

6-Phase Digital Multiphase Controller

No Preview Available !

Pinout
ISL6592
ISL6592 (LQFP)
TOP VIEW
GND
VID4
VID3
VID2
VID1
VID0
VID5
OUTEN
VCC_PWRGD
OUT12
OUT11
VDD
1
2
3
4
5
6
7
8
9
10
11
12
36 VDD
35 ISEN6
34 ISEN5
33 ISEN4
32 ISEN3
31 ISEN2
30 ISEN1
29 TEMP_SEN
28 VBG_EXT
27 VSENP
26 VSENN
25 GND
2 FN9163.1
August 5, 2005


Part Number ISL6592
Description 6-Phase Digital Multiphase Controller
Maker Intersil Corporation
Total Page 21 Pages
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