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CS5464
11. BASIC APPLICATION CIRCUITS
Figure 14 shows the CS5464 configured to measure
power in a single-phase, 2-wire system while operating
in a single-supply configuration. In this diagram, a shunt
resistor is used to sense the line current and a voltage
divider is used to sense the line voltage. In this type of
shunt-resistor configuration, the common-mode level of
the CS5464 must be referenced to the line side of the
power line. This means that the common-mode poten-
tial of the CS5464 will track the high-voltage levels, as
well as low-voltage levels, with respect to earth ground.
Isolation circuitry is required when an earth-ground-ref-
erenced communication interface is connected. A cur-
rent transformer (CT) is connected to the return line
current, which implements the tamper detection circuit.
5 kW
10 kW
L2
LINE
VOLTAGE
L1
500 W
500 W
10 W
1uF
470μF
0.1μF
18
3
0.1 μF
VA+
CS5464
VD+
R 2
R 1
C V+
C Vdiff
9
VIN+
PFMON
CPUCLK
XOUT
21
2
1
4.096 MHz
R V-
C V-
10
VIN-
XIN
28
Optional
Clock
Source
R Shunt
R I-
R I+
C I-
C I+
C Idiff
19
20
IIN-
IIN+
RESET
CS
SDI
SDO
SCLK
23
7
27
6
5
Serial
Data
Interface
CT
? R Burden
? R Burden
R I-
C I-
C I+
C Idiff
15
IIN2-
INT
E2
E1
24
26
25
R I+
16
IIN2+
Pulse Output
Counter
LOAD
12
11
VREFIN
VREFOUT
TEST1
TEST2
13
14
0.1μF
AGND
17
DGND
4
Figure 14. Typical Connection Diagram (Single-phase, 2-wire – Direct Connect to Power Line)
42
DS682F3
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相关代理商/技术参数
CS5464-ISZ 功能描述:电流和电力监控器、调节器 3-Ch Single Phase Power/Energy IC RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
CS5464-ISZR 功能描述:电流和电力监控器、调节器 IC 3-Ch Single Phase PWR/Energy RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
CS5466 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Low-cost Power/Energy IC with Pulse Output
CS5466_05 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Low-cost Power/Energy IC with Pulse Output
CS5466-IS 功能描述:电流和电力监控器、调节器 Low-Cost Pwr/Energy w/Pulse Output IC RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
CS5466-ISZ 功能描述:电流和电力监控器、调节器 Low-Cost Pwr/Energy w/Pulse Output IC RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
CS5466-ISZD1 制造商:Cirrus Logic 功能描述:
CS5466-ISZR 功能描述:电流和电力监控器、调节器 IC for Residential PWR-Meter Apps RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel