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Datasheet RT3606BE PDF ( 特性, スペック, ピン接続図 )

部品番号 RT3606BE
部品説明 Dual Channel PWM Controller
メーカ Richtek
ロゴ Richtek ロゴ 
プレビュー
Total 30 pages
		
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RT3606BE Datasheet, RT3606BE PDF,ピン配置, 機能
®
RT3606BE
Dual Channel PWM Controller for IMVP8 CPU Core
Power Supply
General Description
The RT3606BE is an IMVP8 compliant CPU power
controller which includes two voltage rails : a 3/2/1 phase
synchronous Buck controller, the CORE VR and a 2/1
phase synchronous Buck controller, the AXG VR. The
RT3606BE 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 RT3606BE also features a quick
response mechanism for optimized AVP performance
during load transient. The RT3606BE supports mode
transition function with various operating states. A serial
VID (SVID) interface is built in the RT3606BE to
communicate with Intel IMVP8 compliant CPU. The
RT3606BE 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
RT3606BE 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 RT3606BE integrates a high
accuracy ADC for platform setting functions, such as quick
response trigger level or over-current level. Besides, the
setting function also supports this two rails address
exchange. The RT3606BE 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
RT3606BE is available in the WQFN-48L 6x6 small foot
print package.
Features
Intel IMVP8 Serial VID Interface Compatible Power
Management States
3/2/1 Phase (CORE VR) + 2/1 Phase (AXG VR) 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
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 Multi-phase CPU Core
Supply
AVP Step-Down Converter
Simplified Application Circuit
To PCH
To CPU
RT3606BE
PGOOD
PWM1
VR_HOT PWM2
VCLK
VDIO
PWM3
PWMA2
ALERT PWMA1
Driver
Driver
Driver
Driver
Driver
MOSFET
MOSFET
MOSFET
MOSFET
MOSFET
VCORE
VAXG
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS3606BE-02 June 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
1

1 Page



RT3606BE pdf, ピン配列
RT3606BE
Pin No
17
18
19
20
21
22
Pin Name
IMON
VREF
IMONA
VR_HOT
ALERT
VDIO
Pin Function
CORE rail VR Current Monitor Output. This pin outputs a voltage proportional to the
loading current and a 1resistor.
Fixed 0.6V Output Reference Voltage. This voltage is only used to offset the output
voltage of IMON pin. Between this pin and GND must be placed a exact 0.47F
decoupling capacitor.
AXG rail VR Current Monitor Output. This pin outputs a voltage proportional to the
loading current.
Thermal Monitor Output, this Pin is Active Low.
SVID Alert. (Active low)
VR and CPU Data Transmission Interface.
23 VCLK
Synchronous Clock from the CPU.
24 EN
VR Enable Control Input.
25
26
27
28
29
30
31
32
35, 34
OFSM
Output Voltage Offset Setting for CORE rail VR.
OFSA/PSYS
Output Voltage Offset Setting for AXG rail VR / System Input Power Monitor. Place
the PSYS resistor as close to the IC as possible.
VCC
Controller Power Supply. Connect this pin to 5V and place a decoupling capacitor
2.2F at least. The decoupling capacitor is placed as close VR controller as possible.
IBIAS
Internal Bias Current Setting. Connect a 100kresistor from this pin tied to GND to
set the internal current. Don’t connect a bypass pass capacitor from this pin to GND.
RGNDA
Return Ground for AXG rail VR. This pin is the negative node of the differential remote
voltage sensing.
VSENA
AXG rail VR Voltage Sense Input. This pin is connected to the terminal of AXG rail
VR output voltage.
COMPA
AXG rail VR Compensation. This pin is the error amplifier output pin.
FBA
Negative Input of the Error Amplifier. This pin is for AXG rail VR output voltage
feedback to controller.
ISENA[1:2]P Positive Current Sense Inputs of Multi-Phase AXG rail VR Channel 1 and 2.
36, 33 ISENA[1:2]N Negative Current Sense Inputs of Multi-Phase AXG rail VR Channel 1 and 2.
37
38
39
40
42, 41
43
45, 44, 46
TSENA
TONSETA
DVD
PS4_Dr
PWMA[1:2]
PS4
PWM[1:3]
Thermal Sense Input for AXG rail VR.
AXG rail VR On-time Setting. An on-time setting resistor is connected from this pin to
input voltage.
Divided Input Voltage Detection of power stage. Connect this pin to a voltage divider
from input voltage of power stage to detect input voltage.
Dr.MOS Enable Control. Connecting to Dr.MOS PS4 function pin. As received PS4
command, this pin will be floating. If the Dr. MOS needs active low to enter PS4 or
use discrete MOSFET, please reserve a 100k resistor to GND.
PWM Output for AXG rail VR.
External Driver Enable Control. Connecting to driver enable pin. As received PS4
command, this pin will be low state.
PWM Outputs for CORE rail VR of Channel 1, 2 and 3.
47
PGOOD
VR Ready Indicator.
48 TONSET
49
(Exposed Pad)
GND
CORE rail VR On-time Setting. An on-time setting resistor is connected from this pin
to input voltage.
Ground. The exposed pad must be soldered to a large PCB and connected to GND
for maximum power dissipation.
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS3606BE-02 June 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
3


3Pages


RT3606BE 電子部品, 半導体
RT3606BE
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
V ID6
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
VID5
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
1
1
1
1
1
Table 1. IMVP8 VID Code Table
VID4
VID3
VID2
VID1
0000
0001
0001
0010
0010
0011
0011
0100
0100
0101
0101
0110
0110
0111
0111
1000
1000
1001
1001
1010
1010
1011
1011
1100
1100
1101
1101
1110
1110
1111
1111
0000
0000
0001
0001
0010
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
HEX
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
Voltage (V)
0.25
0.255
0.26
0.265
0.27
0.275
0.28
0.285
0.29
0.295
0.3
0.305
0.31
0.315
0.32
0.325
0.33
0.335
0.34
0.345
0.35
0.355
0.36
0.365
0.37
0.375
0.38
0.385
0.39
0.395
0.4
0.405
0.41
0.415
0.42
0.425
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
www.richtek.com
6
is a registered trademark of Richtek Technology Corporation.
DS3606BE-02 June 2016

6 Page





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