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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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