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Datasheet RT3601EA PDF ( 特性, スペック, ピン接続図 )

部品番号 RT3601EA
部品説明 Signal Phase PWM Controller
メーカ Richtek
ロゴ Richtek ロゴ 
プレビュー
Total 30 pages
		
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RT3601EA Datasheet, RT3601EA PDF,ピン配置, 機能
® RT3601EA
Signal Phase PWM Controller with Integrated Driver for
IMVP8 Mobile CPU Core Power Supply
General Description
The RT3601EA is an IMVP8 compliant CPU power
controller with 1 embedded driver. The RT3601EA adopts
G-NAVPTM (Green Native AVP) which is Richtek's
proprietary topology derived from finite DC gain of EA
amplifier with current mode control, making it easy to set
the droop to meet all Intel CPU requirements of AVP
(Adaptive Voltage Positioning). Based on the G-NAVPTM
topology, the RT3601EA also features a quick response
mechanism for optimized AVP performance during load
transient. The RT3601EA supports mode transition function
with various operating states. A serial VID (SVID) interface
is built in the RT3601EA to communicate with Intel IMVP8
compliant CPU. The RT3601EA supports VID on-the-fly
function with three different slew rates : Fast, Slow and
Decay. By utilizing the G-NAVPTM topology, the operating
frequency of the RT3601EA varies with VID, load and input
voltage to further enhance the efficiency even in CCM.
Moreover, the G-NAVPTM with CCRCOT (Constant Current
Ripple COT) technology provides superior output voltage
ripple over the entire input/output range. The built-in high
accuracy DAC converts the SVID code ranging from 0.25V
to 1.52V with 5mV per step. The RT3601EA integrates a
high accuracy ADC for platform setting functions, such as
quick response trigger level. Besides, the setting function
also supposes this two rails address exchange. The
RT3601EA provides VR ready output signals. It also
features complete fault protection functions including over-
voltage (OV), negative voltage (NV), over-current (OC) and
under-voltage lockout (UVLO). The RT3601EA is available
in the WQFN-28L 4x4 small foot print package.
Features
Intel IMVP8 Serial VID Interface Compatible Power
Management States
Single Phase with 1 Embedded MOSFET Drvier
PWM Controller
G-NAVPTM (Green Native Adaptive Voltage
Positioning) Topology
0.5% DAC Accuracy
Differential Remote Voltage Sensing
Built-in ADC for Platform Programming
Accurate Current Balance
System Thermal Compensated AVP
Diode Emulation Mode at Light Load Condition for
Multiple or Single Phase Operation
Fast Transient Response
VR Ready Indicator
Thermal Throttling
Current Monitor Output
OVP, OCP, NVP, UVLO
Slew Rate Setting/Address Flip Function
Rail Address Flexibility
DVID Enhancement
Applications
IMVP8 Intel Core Supply
Notebook/ Desktop Computer/ Servers Multi-phase CPU
Core Supply
AVP Step-Down Converter
Simplified Application Circuit
To PCH
To CPU
RT3601EA
PGOOD
PWM
VR_HOT
VCLK
VDIO
PHASE
ALERT
Driver
MOSFET
MOSFET
VCORE
VCORE
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS3601EA-00 June 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
1

1 Page



RT3601EA pdf, ピン配列
RT3601EA
Pin No
Pin Name
Pin Function
18
IMON
Current Monitor Output. This pin outputs a voltage proportional to the output
current.
19
PSYS
System Input Power Monitor.
20
ISENP
Positive Current Sense Input.
21
ISENN
Negative Current Sense Input.
22
RGND
Return Ground. This pin is the negative node of the differential remote voltage
sensing.
23
COMP
Compensation. This pin is error amplifier output pin.
24 FB
Negative Input of the Error Amplifier. This pin is for output voltage feedback to
controller.
25 VSEN
26 SET3
27 SET2
28 SET1
29
(Exposed Pad)
GND
VR Voltage Sense Input. This pin is connected to the terminal of VR output voltage.
3rd Platform Setting. Platform can use this pin to set QRTH, QRWIDTH, IPSK,
anti-overshoot threshold.
2nd Platform Setting. Platform can use this pin to set switching frequency, zero
load-line, anti-overshoot function, VR address and OCS.
1st Platform Setting. Platform can use this pin to set ICCMAX,AI Gain, PSYS
function and DVID width. Moreover, SETI pin features a special function for users to
confirm the soldering condition of the controller under zero VBOOT condition.
Connect the SETI pin to 5V and turn on the EN pin, if the soldering is good, both
rails will output to 1.05V.
Ground. The exposed pad must be soldered to a large PCB and connected to GND
for maximum power dissipation.
Functional Block Diagram
RGND
FB
COMP
ISENP
ISENN
IMON
IMONI
ADC
MUX
ADC
From Control Logic
DAC
Soft-Start &
Slew Rate Control
ERROR
VSET AMP
+
-
AI
+
-
IMONI
OCS/OCP_TH
UVLO
SVID Interface
Configuration Registers
Control Logic
Offset
Cancellation
QRTH
QRWIDTH
OCS
AI
TONSET
IMAX
ADDR
OLL
ANTIOVS
OCP
DVID_TH
Loop Control Protection
Logic
PWM
CMP
+
TON
+-
QR
GEN/
Driver
QRWIDTH Interface
TONSET
RAMP
+
OC
To Protection Logic
-
VSEN
OV/UV/NV
VINR
VREFI
+
-
Driver
GND
DRVEN
PWM
PVCC
BOOT
UGATE
PHASE
LGATE
VIN
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS3601EA-00 June 2016
VREF
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
3


3Pages


RT3601EA 電子部品, 半導体
RT3601EA
VID7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
VID6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
VID5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
VID4
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
VID3
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
VID2
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
VID1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
VID0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
HEX
25
26
27
28
29
2A
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
40
41
42
43
44
45
46
47
48
49
Voltage (V)
0.43
0.435
0.44
0.445
0.45
0.455
0.46
0.465
0.47
0.475
0.48
0.485
0.49
0.495
0.5
0.505
0.51
0.515
0.52
0.525
0.53
0.535
0.54
0.545
0.55
0.555
0.56
0.565
0.57
0.575
0.58
0.585
0.59
0.595
0.6
0.605
0.61
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
www.richtek.com
6
is a registered trademark of Richtek Technology Corporation.
DS3601EA-00 June 2016

6 Page





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