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MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR DESCRIPTION The M54133 is a semiconductor integrated circuit designed for high-speed type earth leakage breakers. This IC has built-in antilightning-surge function and anti-inverter-noise function. PIN CONFIGURATION (TOP VIEW) GND 1 IREF 2 16 VS 15 OPI+ M54133FP/GP FEATURES q Improvement of ability against unwanted tripping by lightning -surge. *Adopt the two times counting system. *Improvement of ability against needless action for lightningimpulse. q Improvement of ability against unwanted tripping by inverter -noise. *Built-in operational amplifier (of low current dissipation) for active low-pass filter. *Improvement of ability against needless action for high frequency and high harmonics. q Built-in delay time function *An external capacitor is used to set the delay time. q High input sensitivity : VT=11.5mVrms Typ. q Low-current dissipation (at RIREF=180k) *In stand-by condition : IS=610A Typ. q High stabilities design *Adopt the circuits that is not affected by fluctuations of supply voltage/ambient temperature. VCC 3 OFFC 4 TRC1 5 TRC2 6 DLYC 7 SCRT 8 14 C1 13 OPI12 C2 11 OPAO 10 ILKI 9 VREF Outline 16P2N-A(FP) Outline 16P2E-A(GP) APPLICATION Earth leakage breaker RECOMMENDED OPERATING CONDITIONS Supply voltage range............................................................7 to 12V Operating ambient temperature.....................................-20 to +85C BLOCK DIAGRAM VS 16 OPI+ 15 C1 14 OPI13 C2 12 OPAO 11 ILKI 10 VREF 9 - A + M54133FP/GP POWER SUPPLY CIRCUIT LEAKAGE DETECTION SCR DRIVER 1 GND 2 IREF 3 VCC 4 OFFC 5 TRC1 6 TRC2 7 DLYC 8 SCRT MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR ABSOLUTE MAXIMUM RATINGS (Ta=25C, unless otherwise noted) Symbol IS VSMAX Vid llOP llG Pd Topr Tstg Parameter Supply current Maximum supply voltage Differential input voltage Differential input current Input current Power dissipation Operating ambient temperature Storage temperature Conditions Ratings 4 15 -0.8 to +0.8 -5 to +5 10 200 -20 to+85 -55 to+125 Unit mA V V mA mA mW C C OPI+ to OPIOPI+ to OPIVREF to GND ELECTRICAL CHARACTERISTICS (Ta=25C, unless otherwise noted) Symbol Power supply circuit IS0 IS1 IS2 - VSMAX VCC GV BW VO IOH IOL VOoff IIC VIC Vion IIH VO VRCL Eloh1 VTH1 ETW1 - Eloh2 VTH2 ETW2 - VT - EIOH VTH ETW3 EIOH VTH ETW4 VOL8 IOHC IOHn IOHh Vsoff Reset circuit Parameter Supply current (in standby) Supply current (while detecting leakage) VS Test conditions Supply current (immediately after drive a SCR) Ambient temperature dependence of IS0 9V Min. 520 560 480 Limits Typ. 610 650 570 -0.2 13.9 5.2 40 6 3.5 2.8 0.8 0 125 0.8 14.0 220 2.4 4.7 - 2.4 - 0 - 2.4 - 0 11.5 -8.0 +2.0 - 2.4 - - 2.4 - 0.1 -160 -130 -100 3.0 Max. 700 740 660 - 15 - - - - - - - - - - - - - +20 - +15 - +20 - +15 - - - - +20 - +30 +20 - +30 0.2 - - - 4.0 Unit A A A %/C V V dB kHz VPP mA mA mV nA V mVdc nA V V % V % %/C % V % %/C mVrms % % % V % % V % V A A A V 9V 9V Operational amplifier Maximum supply voltage VCC-pin output voltage Voltage gain Frequency band width Maximum output voltage OPOA-pin "H" output current OPOA-pin "L" output current Output offset voltage Input bias current Differential input clamp voltage DC input voltage of leakage detection Ta=-25 to +85C IS=4mA IOH=-1mA f=1kHz -3dB 9V 3-ms circuit ILKI-pin input bias current VREF-pin output voltage VREF-GND clamp voltage Accuracy of TRC1-pin "H" output current TRC1 threshold voltage Accuracy of TW1 pulse width Ambient temperature dependence of Tw1 9V Iidc=4mA With respect to VREF VIN=VREF IOH=-200A IRCL=5mA VO=0V ; IOH1=-7.6A - - - - - - - - - - - - - - - -20 - -15 - -20 - -15 - - - - -20 - -30 -20 - -30 - -100 -50 -33 - Leak detector circuit 9V C=0.01F ; TW1=3ms Ta=-20 to +85C VO=0V ; IOH2=-7.6A 9V C=0.0047F ; TW2=1.5ms Ta=-20 to +85C 60Hz Ta=+25C+85C Ta=+25C-20C VO=0V ; IOH=-7.6A C=0.33F ; TW3=75ms VO=0V ; IOH=-7.6A C=1.0F ; TW4=300ms IOL=200A Ta=-20C Ta=+20C VO=8V Ta=+85C 1-ms circuit Accuracy of TRC2-pin "H" output current TRC2 threshold voltage Accuracy of TW2 pulse width Ambient temperature dependence of Tw2 Total AC input voltage of leakage detection Ambient temperature dependence of VT Accuracy of OFFC-pin "H" output current 9V OFFC threshold voltage Accuracy of reset time pulse width Accuracy of DLYC-pin "H" output current 9V 9V 9V 9V 9V 9V - Delay circuit SCR driver circuit DLYC threshold voltage Accuracy of delay timer pulse width SCRT-pin "L" output voltage SCRT-pin "H" output current Supply voltage for IOH hold MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR WITHOUT DELAY FUNCTION ILKI INPUT 2.4V TRC1 PIN Tw1 TRC2 PIN 2.4V DLYC PIN 2.4V Tw2 2.4V OFFC PIN 0.7V Tw3 SCRT OUTPUT USING DELAY FUNCTION ILKI INPUT TRC1 PIN 2.4V TRC2 PIN 2.4V DLYC PIN 2.4V Tw4 OFFC PIN 2.4V Tw3 SCRT OUTPUT MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) 250 POWER DISSIPATION Pd (mW) 200 150 100 50 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE Ta (C) SUPPLY CURRENT VS. SUPPLY VOLTAGE CHARACTERISTICS 4 STANDBY +85C SUPPLY CURRENT (mA) 3 SUPPLY CURRENT (A) +25C -20C 2 SUPPLY CURRENT VS. SUPPLY VOLTAGE CHARACTERISTICS 800 Ta=+25C 700 LEAK DETECTION STANDBY 600 WHEN SCR IS ON 1 500 0 0 5 10 15 SUPPLY VOLTAGE (V) 400 6 8 10 12 SUPPLY VOLTAGE (V) SUPPLY CURRENT VS. AMBIENT TEMPERATURE CHARACTERISTICS 800 VS=9V SUPPLY CURRENT (A) VOLTAGE GAIN (dB) 700 LEAK DETECTION STANDBY 600 WHEN SCR IS ON 500 VOLTAGE GAIN VS. FREQUENCY CHARACTERISTICS 50 VS=9V 40 30 20 400 -50 10 0 50 100 AMBIENT TEMPERATURE (C) 1 10 100 1k 10k 100k 1M FREQUENCY (Hz) MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR 300 MAXIMUM OUTPUT CURRENT (mA) OPERATIONAL AMPLIFIER INPUT CURRENT BIAS VS. AMBIENT TEMPERATURE CHARACTERISTICS 400 VS=9V INPUT BIAS CURRENT (nA) MAXIMUM OPERATIONAL AMPLIFIER OUTPUT CURRENT VS. AMBIENT TEMPERATURE CHARACTERISTICS 4 VS=9V 3 200 2 100 1 0 -50 0 50 100 0 -50 0 50 100 AMBIENT TEMPERATURE (C) AMBIENT TEMPERATURE (C) IREF OUTPUT VOLTAGE VS. SUPPLY VOLTAGE CHARACTERISTICS 1.5 Ta=+25C IREF OUTPUT VOLTAGE (V) 1.4 IREF OUTPUT VOLTAGE (V) 6 8 10 12 IREF OUTPUT VOLTAGE VS. AMBIENT TEMPERATURE CHARACTERISTICS 1.5 VS=9V 1.4 1.3 1.3 1.2 1.2 1.1 SUPPLY VOLTAGE (V) 1.1 -50 0 50 100 AMBIENT TEMPERATURE (C) VREF OUTPUT VOLTAGE VS. SUPPLY VOLTAGE CHARACTERISTICS 2.7 Ta=+25C VREF OUTPUT VOLTAGE (V) VREF OUTPUT VOLTAGE (V) 6 8 10 12 2.6 VREF OUTPUT VOLTAGE VS. AMBIENT TEMPERATURE CHARACTERISTICS 2.7 VS=9V 2.6 2.5 2.5 2.4 2.4 2.3 2.3 -50 0 50 100 SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (C) MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR VCC OUTPUT VOLTAGE VS. SUPPLY VOLTAGE CHARACTERISTICS 6.0 Ta=+25C VCC OUTPUT VOLTAGE (V) 5.5 VCC OUTPUT VOLTAGE (V) 6 8 10 12 VCC OUTPUT VOLTAGE VS. AMBIENT TEMPERATURE CHARACTERISTICS 6.0 VS=9V 5.5 5.0 5.0 4.5 4.5 4.0 4.0 -50 0 50 100 SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (C) TRC1/TRC2/OFFC/DLYC THRESHOLD VOLTAGE VS. SUPPLY VOLTAGE CHARACTERISTICS 3.0 Ta=+25C THRESHOLD VOLTAGE (V) THRESHOLD VOLTAGE (V) 6 8 10 12 TRC1/TRC2/OFFC/DLYC THRESHOLD VOLTAGE VS. AMBIENT TEMPERATURE CHARACTERISTICS 3.0 VS=9V 2.5 2.5 2.0 SUPPLY VOLTAGE (V) 2.0 -50 0 50 100 AMBIENT TEMPERATURE (C) TRC1/TRC2/OFFC/DLYC "H" OUTPUT CURRENT VS. SUPPLY VOLTAGE CHARACTERISTICS 10 Ta=+25C "H" OUTPUT CURRENT (A) "H" OUTPUT CURRENT (A) 6 8 10 12 9 TRC1/TRC2/OFFC/DLYC "H" OUTPUT CURRENT VS. AMBIENT TEMPERATURE CHARACTERISTICS 10 VS=9V 9 8 8 7 7 6 6 -50 0 50 100 SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (C) MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR TRC1 PULSE WIDTH VS. SUPPLY VOLTAGE CHARACTERISTICS 4 Ta=+25C TRC1=0.01F TRC1 PULSE WIDTH (ms) TRC1 PULSE WIDTH (ms) 6 TRC1 PULSE WIDTH VS. AMBIENT TEMPERATURE CHARACTERISTICS 4 VS=9V TRC1=0.01F 3 3 2 8 10 12 2 -50 0 50 100 SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (C) OFFC "L" OUTPUT VOLTAGE (V) 1.0 OFFC "L" OUTPUT VOLTAGE (V) OFFC "L" OUTPUT VOLTAGE VS. SUPPLY VOLTAGE CHARACTERISTICS 1.2 Ta=+25C OFFC "L" OUTPUT VOLTAGE VS. AMBIENT TEMPERATURE CHARACTERISTICS 1.2 VS=9V 1.0 0.8 0.8 0.6 0.6 0.4 6 8 10 12 SUPPLY VOLTAGE (V) 0.4 -50 0 50 100 AMBIENT TEMPERATURE (C) OFFC PULSE WIDTH (ms) OFFC PULSE WIDTH (ms) OFFC PULSE WIDTH VS. SUPPLY VOLTAGE CHARACTERISTICS 100 Ta=+25C OFFC=0.33F 90 OFFC PULSE WIDTH VS. AMBIENT TEMPERATURE CHARACTERISTICS 100 VS=9V OFFC=0.33F 90 80 80 70 70 60 6 8 10 12 60 -50 0 50 100 SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (C) MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR DLYC PULSE WIDTH VS. SUPPLY VOLTAGE CHARACTERISTICS 400 Ta=+25C DLYC=1.0F DLYC PULSE WIDTH (ms) DLYC PULSE WIDTH (ms) 6 350 DLYC PULSE WIDTH VS. AMBIENT TEMPERATURE CHARACTERISTICS 400 VS=9V DLYC=1.0F 350 300 300 250 250 200 8 10 12 200 -50 0 50 100 SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (C) TOTAL LEAK DETECTION AC VOLTAGE (mVms) 11 TOTAL LEAK DETECTION AC VOLTAGE (mVms) TOTAL LEAK DETECTION AC VOLTAGE VS. SUPPLY VOLTAGE CHARACTERISTICS 13 Ta=+25C TRC1=0.01F fin=60Hz 12 TOTAL LEAK DETECTION AC VOLTAGE VS. AMBIENT TEMPERATURE CHARACTERISTICS 13 VS=9V TRC1=0.01F fin=60Hz 12 11 10 10 9 6 8 10 12 SUPPLY VOLTAGE (V) 9 -50 0 50 100 AMBIENT TEMPERATURE (C) SCRT "L" OUTPUT VOLTAGE (V) SCRT "L" OUTPUT VOLTAGE (V) SCRT "L" OUTPUT VOLTAGE VS. "L" OUTPUT CURRENT CHARACTERISTICS 0.4 VS=9V Ta=+25C 0.3 SCRT "L" OUTPUT VOLTAGE VS. AMBIENT TEMPERATURE CHARACTERISTICS 0.4 VS=9V IOL=200A 0.3 0.2 0.2 0.1 0.1 0 0 100 200 300 400 500 600 0 -50 0 50 100 "L" OUTPUT CURRENT (A) AMBIENT TEMPERATURE (C) MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR SCRT "H" OUTPUT CURRENT (A) SCRT "H" OUTPUT CURRENT (A) SCRT "H" OUTPUT CURRENT VS. SUPPLY VOLTAGE CHARACTERISTICS 400 Ta=+25C 300 SCRT "H" OUTPUT CURRENT VS. AMBIENT TEMPERATURE CHARACTERISTICS 400 VS=9V 300 200 200 100 100 0 0 2 4 6 8 10 12 0 -50 0 50 100 SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (C) DESCRIPTION OF PIN Pin No. Name Common blocks 16 VS 3 VCC 2 IREF 1 GND Operational amplifier 13 15 14 Function Power supply Output pin of the internal constant-voltage circuit. Connect decoupling capacitor. Pin for connecting resistor that sets constant current through each internal circuit. About 1.3V appears. Grounding OPIOPI+ C1 C2 Input pins of operational amplifier Pin for connecting capacitor that prevents noise from causing malfunction. Connect capacitors across IC at pins 13 and 14 and across IC at pins 15 and 14 . Pin for connecting capacitor that prevents abnormal oscillations. Connect capacitor across IC at pins and 12 . 11 12 11 Output pin of operational amplifier. OPAO Leak detector and SCR driver circuits 9 10 5 6 VREF ILKI TRC1 TRC2 Pin for providing input reference level of leakage detection. About 2.4V appears. Other input pin of leakage detection. Pin for connecting capacitor that integrates signal output from discriminator of leak-signal input level. Pin for connecting capacitor to eliminate noise. Leakage input signal does not continue. Leakage is detected and SCR turn on. In these cases, this IC will be restored to the initial condition after a predetermined time. Connect capacitor that determines restore time. Pin for connecting capacitor that sets delay time in case of using delay function. Output pin for drive a SCR. 4 OFFC 7 8 DLYC SCRT MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR INPUT/OUTPUT EQUIVALENT CIRCUIT 3 VS 16 200 VCC BAND GAP 1.3V 2 IREF EXTERNAL R (180k) 12 C2 VCC 800 2.4V 100 OPI- 13 470 11 OPAO OPI+ 15 100 C1 14 8 6 STAGES 25A 48k SCRT ILKI 10 4.7k VREF 9 200k VCC 7.5A 7.5A 7.5A 2.4V 100 5 6 TCR1 TCR2 4 OFFC 7 DLYC Units Resistance : Capacitance : F MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR APPLICATION EXAMPLE Note Z C T AC-LINE 16 VS 15 OPI+ 14 C1 OPI- 13 12 C2 11 OPAO ILKI 10 VREF 9 A + M54133FP/GP POWER SUPPLY CIRCUIT LEAKAGE DETECTION TRC2 5 6 SCR DRIVER SCRT 7 8 GND 1 2 IREF VCC 3 OFFC 4 TRC1 DLYC T. Coil SCR Note : MZ Core Series by Soryo Denshi Kagaku Co., Ltd (Mitsubishi Subsidiary) Tel. +81-427-74-7813 MITSUBISHI M54133FP/GP EARTH LEAKAGE CURRENT DETECTOR PRECAUTION FOR APPLICATION Described below are precautions on usage of the M54133FP and the M54133GP. Note that each precaution presents a still better example. It is advisable to review it carefully to learn optimal conditions. 3. Laying out printed-circuit board Foreign noise (from noise simulator, for example) may cause malfunctions. To improve noise resistance, lay out printed-circuit patterns so that wirings of IC to additional capacitors and resistors can be made as short as possible. Carefully design patterns especially for wiring capacitors to VS of pin 16 1. Voltage applied to VS 1. Fig.1 shows characteristics of circuit current IS. (IS characterizes clamp circuit shown in INPUT/OUTPUT equivalent circuits.) To design power supply, adapt it to IC, considering IS characteristics. 2. Rectification for use of commercial AC line as power source. , VCC of pin 3 , and SCRT of pin 8 . 4. Avoid SCRT output pin voltage from falling negative below GND level. 5. Reset time applicable to reset timer circuit RS VS COMMERCIAL AC LINE VZ IC The M54133 has reset timer circuit of VL=0.7V, VH=2.4V, and IO=7.5A. When SCR is on, power supply path is disconnected from leak detector circuit. As shown in illustration below, disconnection may inhibit VL from falling to 0.7V. Accordingly, reset time may get shortened. To avoid shortage, predetermine a reset time that includes extra time. T= 3 IS (mA) +25C 2 1 0 +85C -20C WAVEFORMS AT OFFC PIN CX(VH-VL) = 0.33FX(2.4-0.7) =75ms IO 7.5A 3.8V 2.4V 0.7V 12 VS(V) 13 14 15 WAVEFORMS AT SCRT PIN 75ms 0V t=10ms Fig. 1 CHARACTERISTICS OF VS TO IS a) For VZ, select zener diode of 12V or less. (Prevent supply voltage VS from exceeding absolute maximum rating of 15V.) b).Escalated temperature may decrease supply voltage to produce large current IS. In this case, RS limits IS. 3. For use of common DC power supply, set supply voltage VS within range of 7 to 12V. Note. Predetermined reset time may get shortened by t. 2. Resistor (R=180k) at IREF pin This resistor provides constant-reference-current source for IC. (Constant current source protects IC against fluctuations in supply voltage and ambient temperature.) Since every circuit is characterized by resistance of this resistor, the use of high-precision resistor (accuracy of 2%) is recommended. |
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