ISL6592.pdf 데이터시트 (총 21 페이지) - 파일 다운로드 ISL6592 데이타시트 다운로드

No Preview Available !

®
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.

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

No Preview Available !

Block Diagram
ISL6592
VS ENP
VS ENN
RES ET_N
ISEN1
ISEN2
ISEN3
ISEN4
ISEN5
ISEN6
TEMP_S EN
V12_S EN
SCL
SDA
S ADD R
VI D4
VI D3
VI D2
VI D1
VI D0
VI D5
OUTEN
LL0
LL1
POR
Current
Se ns e
Temp
Se ns e
Window
Com parator
( OV P/UV P)
V o ltag e
ADC
Cur r e nt
ADC
Channel
Current
Current
Balance
PID/PWM
Controller
PWM
Drive r
AVP
I2C Inte rnalM e m ory
Fault Handle r
Deglitch
State M achine
DigitalCalibrationControlle r
OUT12
OUT11
OUT10
OUT9
OUT8
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
FAULT1
FAULT2
C AL _C UR _S EN
CAL_CUR_EN
VC C_PW R GD
FIGURE 1. TOP LEVEL BLOCK DIAGRAM
3 FN9163.1
August 5, 2005

No Preview Available !

Typical VRM Application
+8Vto+12V
+5Vto+12V
+3.3V
From
µP
To µP
Fault
Outputs
I2CI/F
Bus
Crowbar
Control
(optional)
VDD V12_SEN
ISL6592 GND
OUT1
VID4 OUT2
VID3 ISEN1
VID2 OUT3
VID1 OUT4
VID0 ISEN2
VID5 OUT5
LL0 OUT6
LL1 ISEN3
OUTEN
OUT7
OUT8
VCC_PWRGD ISEN4
OUT9
OUT10
ISEN5
FAULT1
OUT11
FAULT2
OUT12
ISEN6
SDA TEMP_SEN
SCL CAL_CUR_EN
SADDR CAL_CUR_SEN
VSENP
VSENN
ISL6592
VDRIVE
VCC
ISL6597
PWM VSW
NDRIVE
NGATE
HSS GND
VDRIVE
VCC
ISL6597
PWM VSW
NDRIVE
NGATE
HSS GND
VDRIVE
VCC
ISL6597
PWM VSW
NDRIVE
NGATE
HSS GND
VDRIVE
VCC
ISL6597
PWM VSW
NDRIVE
NGATE
HSS GND
VDRIVE
VCC
ISL6597
PWM VSW
NDRIVE
NGATE
HSS GND
VDRIVE
VCC
ISL6597
PWM VSW
NDRIVE
NGATE
HSS GND
RTHERM
FIGURE 2. 6-PHASE VRM DESIGN WITH ISL6597
4
Vout
RTN
FN9163.1
August 5, 2005

No Preview Available !

ISL6592
DAbsolute Maximum Ratings
Supply Voltage (VDD) . . . . . . . . . . . . . . . . . . . . . . . -0.50V to 4.25V
All pins except ISENx and ground . . . . . . . . . . . . . . -0.50V to 4.25V
All ISENx pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.50V to 3.0V
All ground pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.50V to 0.50V
Differential Voltage (VSEN_DIFF) . . . . . . . . . . . . . . . . . . . . . . . . 2.5V
ESD Rating
Human Body Model (Per MIL-STD-883 Method 3015.7)
(100pF, 1.5k) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,000V
Charged Device Model (Per EOS/ESD DS5.3, 4/14/93) . . 1,000V
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300V
Thermal Information
Thermal Resistance (Typical, Note 1)
θJA (°C/W)
TQFP Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
48
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Junction Temperature Range . . . . . . . . . . . 0°C to 125°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C
Operating Conditions
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . 0°C to 85°C
Supply Voltage Range (Typical). . . . . . . . . . . . . . . . +3.0V to +3.6V
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications VDD = +3.3V, TC = +85°C, unless otherwise specified
PARAMETER
SYMBOL
TEST CONDITIONS
VDD SUPPLY
Nominal supply current
VID[5:0] INPUTS (Note 4)
IVDD
VDD = +3.3V, ISEN[6:1] = -70µA
Input low voltage
Input high voltage
Input current (input voltage low)
Input current (input voltage high)
OUTEN INPUT
VIL_VID
VIH_VID
IIL_VID
IIH_VID
(Note 5)
VIN = 0.0V
VIN = 3.5V
Input low voltage
Input high voltage
Input current (input voltage low)
Input current (input voltage high)
LL[1:0] INPUTS
VIL_OE
VIH_OE
IIL_OE
IIH_OE
OE = 0.0V
OE = 3.5V
Input low voltage
Input high voltage
Input current (input voltage low)
Input current (input voltage high)
SDA, SCL INPUTS
VIL_LL
VIH_LL
IIL_LL
IIH_LL
LL(X) = 0.0V
LL(X) = 1.20V
Input low voltage
Input high voltage
Input current, input voltage low
Input current, input voltage high
Output low voltage
VIL_S
VIH_S
IIL_S
IIH_S
VOL
VIN = 0.0V
VIN = 3.5V
Open drain output, ILOAD = +5mA
MIN TYP MAX UNITS
100 140 mA
-0.3 0.4 V
0.8 5.5 V
-75 10 µA
-10 10 µA
-0.3 0.4 V
0.8 5.5 V
-75 10 µA
-10 10 µA
0.4 V
0.8 V
-20 -30 µA
15 25 µA
-0.3 0.8 V
2.4 5.5 V
-10 10 µA
-10 10 µA
0.4 V
5 FN9163.1
August 5, 2005