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參數(shù)資料
| 型號： | 90E32ERGI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP48 |
| 封裝： | TQFP-48 |
| 文件頁數(shù)： | 15/67頁 |
| 文件大?。?/td> | 777K |
| 代理商： | 90E32ERGI |
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90E32
POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Function Description
22
August 24, 2011
3.6.3
DETECTION MODE (D MODE)
In Detection mode, the current detector is active. The current detec-
tor compares whether any phase current exceeds the configured thresh-
old using low-power comparators.
When the current of one phase or multiple phases exceeds the con-
figured threshold, the 90E32 asserts the IRQ0 pin to high and hold it
until power mode change. The IRQ0 state is cleared when entering or
exiting Detection mode.
When the current of all phases exceeds the configured threshold, the
90E32 asserts the IRQ1 pin to high and hold it until power mode change.
The IRQ1 state is cleared when entering or exiting Detection mode.
The threshold registers need to be programmed in Normal mode
before entering Detection mode.
The digital I/O state is the same as that in Idle state (except for IRQ0/
IRQ1 and PM1/PM0).
The 90E32 has two comparators for detecting each phase’s positive
and negative current. Each comparator’s threshold can be set individu-
ally. The two comparators are both active by default, which called ‘dou-
ble-side detection’. User also can enable one comparator only to save
power consumption, which called ‘single-side detection’.
Double-side detection has faster response and can detect ‘half-wave’
current. But it consumes nearly twice as much power as single-side
detection.
Comparators can be power-down by configuring the DetectCtrl regis-
ter.
Figure-8 Block Diagram in Detection Mode
VDD18 Regulator
Temperature Sensor
Current Detector
ADC-V1
ADC-V2
ADC-V3
ADC-I1
ADC-I2
ADC-I3
SPI Interface
DSP
Energy Metering
(Forward/Reverse
Active/Reactive/CF generator)
Measure and Monitoring
(V/I/rms, SAG, Phase, Freq)
Control Logic
Zero
Crossing
CF Out
Power On Reset
Crystal Oscillator
Reference Voltage
OSCI
OSCO
Power Mode
Configuration
IRQ
Warn
Out
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 90E32ERGI8 | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 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 |
| 90E36 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:Poly-Phase High-Performance Wide-Span Energy Metering IC |
| 90E36AERGI | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 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 |
| 90E36AERGI8 | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 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 |
| 90E36ERGI | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 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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