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ADP1047ARQZ-R7 数据表(PDF) 10 Page - Analog Devices

部件名 ADP1047ARQZ-R7
功能描述  Digital Power Factor Correction Controller
PDF  84 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1047ARQZ-R7 数据表(HTML) 10 Page - Analog Devices

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ADP1047/ADP1048
Data Sheet
Rev. 0 | Page 10 of 84
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1
2
3
4
5
6
7
8
NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.
24
23
22
21
20
19
18
17
RES
RTD
ADD
SYNC
INRUSH
SCL
SDA
VAC
VFB
OVP
NC
ILIM
PGND
AGND
CS–
9
10
11
12
16
15
DGND
CS+
AC_OK
PGOOD
VDD
ADP1047
TOP VIEW
(Not to Scale)
14
13
PSON
PWM2
VCORE
PWM
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
RES
RTD
ADD
SYNC
INRUSH
SCL
SDA
VAC
VFB
OVP
IBAL
ILIM
PGND
AGND
CS–
9
10
11
12
16
15
14
13
PSON
DGND
CS+
PWM2
VCORE
PWM
AC_OK
PGOOD
VDD
ADP1048
TOP VIEW
(Not to Scale)
Figure 3. ADP1047 Pin Configuration
Figure 4. ADP1048 Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
AGND
Analog Ground. AGND should be connected directly to DGND.
2
VAC
Input Line Voltage Sense. The VAC signal is referred to PGND.
3
VFB
Feedback Voltage Sense. The VFB signal is referred to PGND. VFB is the feedback signal for PFC power circuit
regulation. It is used as the analog voltage input to the VFB ADC.
4
OVP
Overvoltage Protection. The OVP signal is referred to PGND. This signal is used for redundant overvoltage protection.
5
PGND
Power Ground. PGND is the connection for the ground line of the power rail. There should be a low impedance
path between PGND and AGND.
6
ILIM
Fast Current Limiting. This pin is referred to PGND.
7
NC/IBAL
ADP1047: No Connect. Do not connect to this pin.
ADP1048: Current Balancing Input for Interleaved Operation. The IBAL input is referred to PGND.
8
CS−
Differential Current Sense Negative Input. The CS− signal is used for current measurement, monitoring, and
protection. A 0.1%, 10 kΩ resistor must be used to connect to this circuit.
9
CS+
Differential Current Sense Positive Input. The CS+ signal is used for current measurement, monitoring, and
protection. A 0.1%, 10 kΩ resistor must be used to connect to this circuit.
10
DGND
Digital Ground. DGND should be connected directly to AGND.
11
PSON
Power Supply Enable Signal. The PSON signal is used to enable/disable the PFC controller. The PSON signal is
referred to DGND.
12
VCORE
Output of 2.5 V Regulator. Connect a 100 nF capacitor from VCORE to DGND.
13
PWM
PWM Output for PFC Regulation. The PWM signal is referred to AGND.
14
PWM2
Auxiliary PWM Output (ADP1047) or Interleaved PWM Output (ADP1048). The PWM2 signal is referred to AGND.
15
AC_OK
Open-Drain Output. User-configurable signal from a combination of flags. The AC_OK signal is referred to AGND.
16
PGOOD
Open-Drain Output. User-configurable signal from a combination of flags. The PGOOD signal is referred to AGND.
17
INRUSH
Inrush Current Control Signal to an External Inrush Driver. This open-drain output is referred to AGND.
18
SYNC
Allows parallel PFC controllers to synchronize to reduce interference. This pin is referred to DGND.
19
SCL
I2C Serial Clock Input. The SCL signal is referred to DGND.
20
SDA
I2C Serial Data Input and Output (Open-Drain). The SDA signal is referred to DGND.
21
ADD
Address Select Input. Connect a resistor from ADD to AGND (see the PMBus Address section).
22
RTD
Thermistor Input. A thermistor is placed from RTD to AGND. The RTD signal is referred to AGND.
23
RES
Internal Voltage Reference. Connect a 0.1%, 50 kΩ resistor from RES to AGND.
24
VDD
Positive Supply Input. The range is from 3.0 V to 3.6 V. The VDD signal is referred to AGND.



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