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| 型号： | ADE7166ASTZF16 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 71/152页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER 1PHASE 64LQFP |
| 标准包装： | 1 |
| 输入阻抗： | * |
| 测量误差： | * |
| 电压 - 高输入/输出： | * |
| 电压 - 低输入/输出： | * |
| 电流 - 电源： | * |
| 电源电压： | * |
| 测量仪表类型： | * |
| 工作温度： | * |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 托盘 |
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ADE7116/ADE7156/ADE7166/ADE7169/ADE7566/ADE7569
Var Absolute Accumulation Mode
The ADE7169/ADE7569 are placed in absolute accumulation
mode by setting the ABSVARM bit (Bit 3) in the ACCMODE
register (Address 0x0F). In absolute accumulation mode, the
reactive energy accumulation is done by using the absolute
reactive power and ignoring any occurrence of power below the
no load threshold for the reactive energy (see Figure 74). The CF
pulse also reflects this accumulation method when in the
absolute accumulation mode. The default setting for this mode is
off. Transitions in the direction of power flow and no load
threshold are active in this mode.
REACTIVE ENERGY
NO-LOAD
THRESHOLD
REACTIVE POWER
NO-LOAD
THRESHOLD
Figure 74. Reactive Energy Accumulation in Absolute Accumulation Mode
Reactive Energy Pulse Output
The ADE7169/ADE7569 provide all the circuitry with a pulse
output whose frequency is proportional to reactive power (see
the Energy-to-Frequency Conversion section). This pulse
frequency output uses the calibrated signal after VARGAIN,
and its behavior is consistent with the setting of the reactive
energy accumulation mode in the ACCMODE register
(Address 0x0F). The pulse output is active low and should
preferably be connected to an LED, as shown in Figure 80.
Line Cycle Reactive Energy Accumulation Mode
In line cycle reactive energy accumulation mode, the energy
accumulation of the ADE7169/ADE7569 can be synchronized
to the voltage channel zero crossing so that reactive energy can
be accumulated over an integral number of half-line cycles. The
advantages of this mode are similar to the ones described in the
Line Cycle Active Energy Accumulation Mode section.
In line cycle active energy accumulation mode, the
ADE7169/ADE7569 accumulate the reactive power signal in
the LVARHR register (Address 0x06) for an integral number of
line cycles, as shown in Figure 75. The number of half-line cycles
is specified in the LINCYC register (Address 0x12). The
ADE7169/ADE7569 can accumulate active power for up to
65,535 half-line cycles.
Because the reactive power is integrated on an integral number
of line cycles, the CYCEND flag (Bit 2) in the Interrupt Status 3
SFR (MIRQSTH, Address 0xDE) is set at the end of an active
energy accumulation line cycle. If the CYCEND enable bit
(Bit 2) in the Interrupt Enable 3 SFR (MIRQENH, Address 0xDB)
is set, the 8052 core has a pending ADE interrupt. The ADE
interrupt stays active until the CYCEND status bit is cleared
(see the Energy Measurement Interrupts section). Another
calibration cycle starts as soon as the CYCEND flag is set. If
the LVARHR register (Address 0x06) is not read before a new
CYCEND flag is set, the LVARHR register is overwritten by a
new value.
When a new half-line cycle is written in the LINCYC register
(Address 0x12), the LVARHR register is reset, and a new
accumulation starts at the next zero crossing. The number of
half-line cycles is then counted internally until the value
programmed in LINCYC is reached. This implementation
provides a valid measurement at the first CYCEND interrupt
after writing to the LINCYC register. The line reactive energy
accumulation uses the same signal path as the reactive energy
accumulation. The LSB size of these two registers is equivalent.
TO
DIGITAL-TO-FREQUENCY
CONVERTER
VARGAIN[11:0]
OUTPUT
FROM
LPF2
%
+
+
48
0
VAROS[15:0]
VARDIV[7:0]
FROM VOLTAGE
CHANNEL ADC
LPF1
ZERO-CROSSING
DETECTION
CALIBRATION
CONTROL
23
LVARHR[23:0]
0
ACTIVE ENERGY
IS ACCUMULATED IN
THE INTERNAL REGISTER,
AND THE LWATTHR
REGISTER IS UPDATED
AT THE END OF THE LINCYC
HALF-LINE CYCLES
LINCYC[15:0]
Figure 75. Line Cycle Reactive Energy Accumulation Mode
Rev. B | Page 71 of 152
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADE7166ASTZF16-RL | 功能描述:IC ENERGY METER 1PHASE 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7166ASTZF8 | 功能描述:IC ENERGY METER 1PHASE 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7166ASTZF8-RL | 功能描述:IC ENERGY METER 1PHASE 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7169 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver |
| ADE7169ACPF16 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver |
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