參數(shù)資料
型號(hào)： CS5460A-BS
廠商： CIRRUS LOGIC INC
元件分類(lèi)： ADC
英文描述： Single Phase Bi-Directional Power/Energy IC
中文描述： 2-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO24
封裝： MO-150, SSOP-24
文件頁(yè)數(shù)： 13/54頁(yè)
文件大?。?/td> 876K
代理商： CS5460A-BS
CS5460A
13
Figure 3) will be enabled on the other channel; in
order to preserve the relative phase relationship
between the voltage-sense and current-sense in-
put signals. For example, if the HPF is engaged for
the voltage channel, but not the current channel,
then the APF will be engaged in the current channel,
to nullify the additional phase delay introduced by
the high-pass filter in the current channel.
2.1.5 Overall Filter Response
When the CS5460A is driven with a 4.096 MHz
clock (K = 1), the composite magnitude response
(over frequency) of the voltage channel’s input fil-
ter network is shown in Figure 4, while the com-
posite magnitude response of the current
channel’s input filter network is given in Figure 5.
Note that the composite filter response of both
channels scales with MCLK frequency and K.
2.1.6 Gain and DC Offset Adjustment
After filtering, the instantaneous voltage and cur-
rent digital codes are subjected to offset/gain ad-
justments, based on the values in the DC offset
registers (additive) and the gain registers (multipli-
cative). These registers are used for calibration of
the device (see Section 3.8, Calibration). After off-
set and gain, the 24-bit instantaneous data sample
values are stored in the Instantaneous Voltage and
Current Registers.
2.1.7 Real Energy and RMS Computations
The digital instantaneous voltage and current data
is then processed further. Referring to Figure 3, the
instantaneous voltage/current data samples are
multiplied together (one multiplication for each pair
of voltage/current samples) to form instantaneous
(real) power samples. After each A/D conversion
cycle, the new instantaneous power sample is
stored in the Instantaneous Power Register.
The instantaneous power samples are then
grouped into sets of N samples (where N = value in
Cycle Count Register). The cumulative sum of
each successive set of N instantaneous power is
used to compute the result stored in the Energy
Register, which will be proportional to the amount
of real energy registered by the device during the
most recent N A/D conversion cycles. Note from
Figure 3 that the bits in this running energy sum
are right-shifted 12 times (divided by 4096) to
avoid overflow in the Energy Register. RMS calcu-
lations are also performed on the data using the
last N instantaneous voltage/current samples, and
these results can be read from the RMS Voltage
Register and the RMS Current Register.
2.2 Performing Measurements
To summarize Section 2.1, the CS5460A performs
measurements of instantaneous current and in-
stantaneous voltage, and from this, performs com-
putations of the corresponding instantaneous
power, as well as periodic calculations of real en-
ergy, RMS current, and RMS voltage. These mea-
surement/calculation results are available in the
form of 24-bit signed and unsigned words. The
scaling of all output words is normalized to unity
VOLTAGE
Σ
SINC2
+
x
V
*
gn
x
V*
CURRENT
SINC4
+
x
I
*
gn
x
x
TBC *
DELAY
REG
DELAY
REG
FIR
HPF
APF
Configuration Register *
PC[6:0] Bits
x
I
*
RMS
N
V
*
RMS
N
Σ
÷
4096
E to F
E *
E
E
out
dir
PULSE-RATE*
* DENOTES REGISTER NAME
Σ
HPF
APF
FIR
SINC2
I*
P*
N
SINC2
-
-
I
ACoff
*
I
DCoff
*
V
ACoff
*
V
DCoff
*
+
P
off
*
÷
N
÷
N
Figure 3. Data Flow.
相關(guān)PDF資料
PDF描述
CS5460A Single Phase Bi-Directional Power/Energy IC
CS5460 Single Phase Bi-Directional Power/Energy IC(單相雙向功率/能量IC)
CS5461A-IS Single Phase, Bi-directional Power/Energy IC
CS5461A-ISZ Single Phase, Bi-directional Power/Energy IC
CS5461A Single Phase, Bi-directional Power/Energy IC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CS5460A-BSZ 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Single-Phase Bi-Dir Power/Energy IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
CS5460A-BSZ 制造商:Cirrus Logic 功能描述:Driver IC 制造商:Cirrus Logic 功能描述:IC ENERGY METERING 1PHASE 24SSOP 制造商:Cirrus Logic 功能描述:IC, ENERGY METERING, 1PHASE, 24SSOP
CS5460A-BSZR 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 IC Sngl-Phs BiDirect PWR/Energy RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
CS5460-BS 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cirrus Logic 功能描述:
CS5460C-ISZ 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Sngl-Phs Bi-Drctnl Power/Energy RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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