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HIP6301 Datasheet

Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller

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HIP6301
NOT RECOMMENDED FOR NEW DESIGNS
NO RECOMMENDED REPLACEMENT
contact our Technical Support Center at
1-888-INTERSIL or www.intersil.com/tsc
Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
DATASHEET
FN4765
Rev 6.00
December 27, 2004
The HIP6301 multi-phase PWM control IC together with its
companion gate drivers, the HIP6601B, HIP6602B,
HIP6603B or HIP6604B and external MOSFETs provides a
precision voltage regulation system for advanced
microprocessors. Multiphase power conversion is a marked
departure from earlier single phase converter configurations
previously employed to satisfy the ever increasing current
demands of modern microprocessors. Multi-phase
convertors, by distributing the power and load current results
in smaller and lower cost transistors with fewer input and
output capacitors. These reductions accrue from the higher
effective conversion frequency with higher frequency ripple
current due to the phase interleaving process of this
topology. For example, a three phase convertor operating at
350kHz will have a ripple frequency of 1.05MHz. Moreover,
greater convertor bandwidth of this design results in faster
response to load transients.
Outstanding features of this controller IC include
programmable VID codes from the microprocessor that
range from 1.100V to 1.850V with a system accuracy of
1%. Pull up currents on these VID pins eliminates the need
for external pull up resistors. In addition “droop”
compensation, used to reduce the overshoot or undershoot
of the CORE voltage, is easily programmed with a single
resistor.
Another feature of this controller IC is the PGOOD monitor
circuit which is held low until the CORE voltage increases,
during its Soft-Start sequence, to within 10% of the
programmed voltage. Overvoltage, 15% above programmed
CORE voltage, results in the converter shutting down and
turning the lower MOSFETs ON to clamp and protect the
microprocessor. Under voltage is also detected and results
in PGOOD low if the CORE voltage falls 10% below the
programmed level. Overcurrent protection reduces the
regulator current to less than 25% of the programmed trip
value. These features provide monitoring and protection for
the microprocessor and power system.
Features
• Multi-Phase Power Conversion
• Precision Channel Current Sharing
- Loss Less Current Sampling - Uses rDS(ON)
• Precision CORE Voltage Regulation
- 1% System Accuracy Over Temperature
• Microprocessor Voltage Identification Input
- 5-Bit VID Input
- 1.100V to 1.850V in 25mV Steps
- Programmable “Droop” Voltage
• Fast Transient Recovery Time
• Over Current Protection
• Automatic Selection of 2, 3, or 4 Phase Operation
• High Ripple Frequency, (Channel Frequency) Times
Number Channels . . . . . . . . . . . . . . . . . .100kHz to 6MHz
Pb-Free Available (RoHS Compliant)
Ordering Information
PART NUMBER
HIP6301CB
HIP6301CBZ
(Note)
HIP6301CB-T
HIP6301CBZ-T
(Note)
HIP6301CBZA-T
(Note)
HIP6301EVAL2
TEMP. (°C) PACKAGE
0 to 70 20 Ld SOIC
0 to 70
20 Ld SOIC
(Pb-free)
20 Ld SOIC Tape and Reel
20 Ld SOIC Tape and Reel
(Pb-free)
20 Ld SOIC Tape and Reel
(Pb-free)
Evaluation Platform
PKG. DWG #
M20.3
M20.3
NOTE: Intersil Pb-free 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.
Pinout
HIP6301 (SOIC)
TOP VIEW
VID4 1
VID3 2
VID2 3
VID1 4
VID0 5
COMP 6
FB 7
FS/DIS 8
GND 9
VSEN 10
20 VCC
19 PGOOD
18 PWM4
17 ISEN4
16 ISEN1
15 PWM1
14 PWM2
13 ISEN2
12 ISEN3
11 PWM3
FN4765 Rev 6.00
December 27, 2004
Page 1 of 17


Renesas Electronics Components Datasheet

HIP6301 Datasheet

Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller

No Preview Available !

HIP6301
Block Diagram
PGOOD
VCC
VSEN
COMP
VID0
VID1
VID2
VID3
VID4
FB
X 0.9
X1.15
+
UV
-
+
OVP
-
OV
LATCH
S
+
-
POWER-ON
RESET (POR)
THREE
STATE
CLOCK AND
SAWTOOTH
GENERATOR
+
PWM
-
SOFT-
START
AND FAULT
LOGIC
+
-
+
PWM
-
+
-
+
PWM
-
D/A
+
E/A
-
+
-
+
PWM
-
CURRENT
CORRECTION
PHASE
NUMBER
CHANNEL
DETECTOR
I_TOT
+
OC
-
+
+
+
+
I_TRIP
GND
FS/EN
PWM1
PWM2
PWM3
PWM4
ISEN1
ISEN2
ISEN3
ISEN4
FN4765 Rev 6.00
December 27, 2004
Page 2 of 17


Part Number HIP6301
Description Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
Maker Renesas
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HIP6301 Datasheet PDF






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