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부품번호 ADP1047
기능 (ADP1047 / ADP1048) Digital Power Factor Correction Controller
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ADP1047 데이터시트, 핀배열, 회로
Data Sheet
Digital Power Factor Correction Controller
with Accurate AC Power Metering
ADP1047/ADP1048
FEATURES
Flexible digital power factor correction (PFC) controller
Single phase operation (ADP1047); interleaved and
bridgeless operation (ADP1048)
True rms ac power metering
Enhanced dynamic response
Optimized light load efficiency performance
Output voltage adjustment
Frequency reduction
Inrush current control
Switching frequency spread spectrum for improved EMI
External frequency synchronization
PMBus compliant
Programmable ac line fault detection and protection
Programmable output fault detection and protection
Extensive fault protection for high reliability systems
Frequency range from 30 kHz to 400 kHz
8 kB EEPROM
Programming via easy-to-use graphical user interface (GUI)
APPLICATIONS
AC/DC power supplies for applications
Computing server and storage
Network and communication infrastructure
Industrial and medical
GENERAL DESCRIPTION
The ADP1047/ADP1048 are digital power factor correction
(PFC) controllers that provide accurate input power metering
capability and inrush current control for ac/dc systems. The
ADP1047 is designed for single phase PFC applications; the
ADP1048 is designed especially for interleaved and bridgeless
PFC applications.
The digital PFC function is based on a conventional boost PFC
with multiplication of the output voltage feedback combined with
the input current and voltage to provide optimum harmonic
correction and power factor for ac/dc systems. All signals are
converted into the digital domain to provide maximum flexibility;
all key parameters can be reported and adjusted via the PMBus™
interface. The ADP1047/ADP1048 allow users to optimize system
performance, maximize efficiency across the load range, and
reduce design time to market.
The ADP1047/ADP1048 provide accurate rms measurement
of input voltage, current, and power. This information can be
reported to the microcontroller of the power supply via the
PMBus interface.
TYPICAL APPLICATIONS CIRCUIT
VREC
RELAY
VOUT
AC
INPUT
BULK
CAPACITOR
3.3V
1 AGND
2 VAC
3 VFB
4 OVP
5 PGND
6 ILIM
7 NC
8 CS–
9 CS+
10 DGND
11 PSON
12 VCORE
VDD 24
RES 23
RTD 22
ADD 21
SDA 20
PMBus
SCL 19
SYNC 18
INRUSH 17
PGOOD 16
AC_OK 15
PWM2 14
PWM 13
ADP1047
Figure 1.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2011 Analog Devices, Inc. All rights reserved.
Free Datasheet http://www.datasheet4u.com/




ADP1047 pdf, 반도체, 판매, 대치품
ADP1047/ADP1048
MIN_AC_PERIOD_SET Register ........................................... 69 
MAX_AC_PERIOD_SET Register .......................................... 69 
Current Loop Filter Gain for Low Line Input Register ......... 70 
Current Loop Filter Zero for Low Line Input Register ......... 70 
Current Loop Filter Gain for High Line Input Register........ 70 
Current Loop Filter Zero for High Line Input Register ........ 70 
Soft Start Set Register................................................................. 70 
Inrush Set Register ..................................................................... 71 
FAST_OVP_FAULT_RISE Register......................................... 71 
FAST_OVP_FAULT_FALL Register........................................ 71 
FAST OVP Debounce Time Setting Register ......................... 71 
Low Power Mode Operation Threshold Register .................. 72 
Power Metering Offset Trim for Low Line Input Register.... 72 
Power Metering Gain Trim for Low Line Input Register...... 72 
High Line Limit Register ........................................................... 72 
Low Line Limit Register ............................................................ 72 
ILIM_TRIM Register ................................................................. 72 
Voltage Loop Output Register .................................................. 72 
Exponent Register ...................................................................... 73 
Read Update Rate Register ........................................................ 73 
VIN Scale Monitor Register ...................................................... 73 
IIN_GSENSE Register ............................................................... 73 
CS Fast OCP Blank Register ..................................................... 74 
CS Fast OCP Setting Register ................................................... 74 
Temperature Hysteresis Register .............................................. 74 
VAC ADC Gain Trim Register ................................................. 75 
VFB ADC Gain Trim Register.................................................. 75 
CS ADC Gain Trim for 500 mV Range Register.................... 75 
IBAL Gain Register (ADP1048 Only) ..................................... 75 
Smart VOUT Low Power Threshold (P1) Register ............... 75 
Smart VOUT High Power Threshold (P2) Register .............. 75 
Smart VOUT Low Line (VOL1) Register................................ 76 
Smart VOUT Low Line (VOL2) Register................................ 76 
REVISION HISTORY
9/11—Revision 0: Initial Version
Data Sheet
Smart VOUT High Line (VOH1) Register ............................. 76 
Smart VOUT High Line (VOH2) Register ............................. 76 
Smart VOUT Upper Limit (VOH) Register ........................... 76 
Smart VOUT Super High Line Register.................................. 76 
SYNC Delay Register ................................................................. 76 
SMART_VOUT_SUPER_HIGH_LINE_HYS Register........ 77 
POWER_HYS Register.............................................................. 77 
Advanced Feature Enable Register........................................... 77 
VOUT_OV_FAULT_HYS Register ......................................... 77 
VIN_UV_FAULT_HYS Register.............................................. 77 
VAC ADC Offset Trim Register ............................................... 78 
CS ADC Offset Trim for 500 mV Range Register ................. 78 
CS ADC Gain Trim for High (750 mV) Range Register....... 78 
CS ADC Offset Trim for High (750 mV) Range Register .... 78 
Latched Flag Registers ............................................................... 78 
PWM Value Register.................................................................. 79 
VAC_LINE_PERIOD Register ................................................. 79 
Read Temperature ADC Register............................................. 79 
Power Metering Offset Trim for High Line Input Register .. 79 
Power Metering Gain Trim for High Line Input Register .... 80 
Current Loop Filter Gain for Low Line Input and Light
Load Register .............................................................................. 80 
Current Loop Filter Zero for Low Line Input and Light
Load Register .............................................................................. 80 
Current Loop Filter Gain for High Line Input and Light
Load Register .............................................................................. 80 
Current Loop Filter Zero for High Line Input and Light
Load Register .............................................................................. 80 
Smart VOUT Power Reading Register .................................... 80 
IBAL Configuration Register (ADP1048 Only)..................... 81 
Debug Flag Registers.................................................................. 81 
Outline Dimensions ....................................................................... 83 
Ordering Guide .......................................................................... 83 
Rev. 0 | Page 4 of 84
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ADP1047 전자부품, 판매, 대치품
Data Sheet
ADP1047/ADP1048
Parameter
Voltage Sense Measurement
Accuracy
IBAL PIN (ADP1048 ONLY)
Input Voltage Range
Equivalent Resolution
Channel Mismatch
POWER METER
Measurement Accuracy
SWITCHING FREQUENCY
Frequency Range
Accuracy
OSCILLATOR, CLOCK, AND PLL
Oscillator Frequency
Digital Clock Frequency
PLL Frequency
RES PIN
Temperature Stability
PGOOD, AC_OK PINS
Output Low Voltage
Output High Voltage
FAST OVERCURRENT PROTECTION
Fast OCP Threshold
Positive Signal
Negative Signal
Current Source Accuracy
Current Source Resolution
Propagation Delay
RMS OVERCURRENT PROTECTION
RMS Accuracy
Propagation Delay
FAST OVERVOLTAGE PROTECTION
Fast OVP Threshold
Rising
Falling
OVP Threshold Minimum Step
Accuracy
Propagation Delay (Latency)
Blanking Time
ACCURATE OVERVOLTAGE
PROTECTION
Accuracy
Propagation Delay
OPEN-LOOP PROTECTION
VFB Error Threshold
Propagation Delay
Debounce Time
Common-Mode Input Range
Symbol Test Conditions/Comments
Min
From 2.5% to 97.5% of input voltage range
VDD = 3.3 V
VDD varies from 3.0 V to 3.6 V
Interleaved operation mode
−1.52
−1.97
0
DC input and acquiring time window on
each channel is 526 μs
−5
From 2.5% to 97.5% of input voltage range
VDD = 3.3 V
VDD varies from 3.0 V to 3.6 V
−2.3
−2.75
Programmable
30
−3.85
1.516
−120
2.0
1455
452
From threshold trip to PWM disabled
VDD = 3.3 V
AC line frequency = 50 Hz
Fully programmable from 1 V to 1.5 V
Register 0xFE2F, Bits[6:0]
Register 0xFE30, Bits[6:0]
Does not include blanking/debounce
Blanking after threshold reprogramming
−1.7
1
1
−4
ΔVFB
VDD = 3.3 V
AC line frequency = 50 Hz
−1.2
±33
−0.2
Typ
11
1.56
200
200
0
1500
500
±4.4
±3.2
12
3.9
10
12
±111
200
10
Max Unit
+1.52
+1.97
0.8
+5
% FSR
% FSR
V
Bits
% FSR
+2.3
+2.75
400
+3.85
1.62
+120
0.8
% FSR
% FSR
kHz
%
MHz
MHz
MHz
ppm/°C
V
V
1550
523
140
+1.7
mV
mV
%
%
ns
%
ms
1.5 V
1.5 V
mV
+4 LSB
120 ns
μs
+1.2
±242
+1.6
%
ms
mV
ns
μs
V
Rev. 0 | Page 7 of 84
Free Datasheet http://www.datasheet4u.com/

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