BD9584F-E2

PRODUCTS Semiconductor IC TYPE PAGE 1/4 BD9584F STRUCTURE SILICON MONOLITHIC INTEGRATED CIRCUIT FUNCTION EARTH LEAKAGE CURRENT DETECTOR PRODUCT SERIES BD9584F FEATURES ・Anti-lighting-surge function The second times or one and half times of the input signal from the current mutual Inductance(CT) triggers the SCR. ・Low current dissipation [In stand-by condition:250μA(Typ.)] ・High stabilities design. ・Adopt the circuits that are not affected by fluctuations of supply voltage/ambient temperature. ○ABSOLUTE MAXIMUM RATINGS (Ta=25[℃]) Characteristics Symbol Rating Unit Supply Current Is 12.5 mA TRC1/TRC2/NR/OS terminal voltage VTRC1/TRC/NR/OS 8 V Power Dissipation PD 0.68(*1) W Storage Temperature Range Tstg -55～+150 ℃ ・This IC is not designed for protection against radioactive rays. (*1)To use at temperature above Ta=25[℃] reduce5.5[mw]/[℃]. Mounted on a glass epoxy PCB(70[㎜]×70[mm]×1.6[mm]) ○RECOMMENDED OPERATING CONDITION Parameter Symbol Rating Unit Supply Voltage Range Vs 8 ～ 20 V Operating Temperature Range Topr -20～+90 ℃ (Set the power supply voltage taking allowable dissipation into considering) Application example · ROHM cannot provide adequate confirmation of patents. · The product described in this specification is designed to be used with ordinary electronic equipment or devices (such as audio-vi sual equipment, office-automation equipment, communications devices, electrical appliances, and electronic toys). Should you intend to use this product with equipment or devices which require an extremely high level of reliability and the malf unction of which would directly endanger human life (such as medical instruments, transportation equipment, aerospace machiner y, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales represe ntative in advance. · ROHM assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, d k i h h i i f f i f i DESIGN CHECK APPROVAL DATE REV. TSZ22111･04･00 AUG./5/2010 1.0 SPECIFICATION No 暫定仕様 PRODUCTS Semiconductor IC ○ELECTRICAL CHARACTERISTICS TYPE PAGE 2/4 BD9584F (Unless otherwise specified Vs=12V,Ta=25℃) Guaranteed Limit Characteristics Symbol Supply Current(Stanby) IS Total AC Input Voltage of VT Leakage Detection Os-Pin”H”Output Voltage Unit Min. Typ. Max. - 250 340 6.4 9.2 -4.5 3 μA VR-VIN=0 12 mV -20～90℃,50Hz/60Hz -6.5 -8.5 (mVrms) - - V Vos Os-Pin”L”Output Voltage - Condition - 200 mV CTRC=0.047μF Vs=8V～32V OS-pin is not connected. Os Output Current Ios 250 - - μA Leakage detected IN-Pin Input Bias Current IIN - 100 - nA VR=VIN VR-Pin Output Voltage VR 2.1 2.4 2.7 V Vs=8V～32V NR-Pin Output Current EloH(RS) 6.9 9.9 12.9 μA NR Threshold Voltage VTH(RS) 2.1 2.4 2.7 V TW3 pulse Width ETWS(RS) 53.7 80 129.1 ms C=0.33μF TRC1-pin output current EloH1 35.9 51.3 66.7 μA VTRC=0V TRC1 threshold voltage VTH1 2.1 2.4 2.7 V TW1 pulse width ETWS1 1.48 2.2 3.53 ms C=0.047μF TRC2-pin output current EloH2 35.9 51.3 66.7 μA Vo=0V TRC2 threshold voltage VTH2 2.1 2.4 2.7 V TW2 pulse width ETWS2 1.48 2.2 3.53 ms ○BLOCK DIAGRAM 8 7 6 5 Reset control Ref 1 Control 2 3 REV. : TSZ22111･05･00 latch 4 1.0 Vos=0V C=0.047μF ○PIN DESCRIPTIONS Pin Pin No. Name 1 GND Ground 2 IN input terminal 3 VR input terminal(reference voltage) 4 TRC1 5 TRC2 6 NR Noise attenuation capacitor connection 7 Os Output terminal 8 VS Supply Voltage Input terminal Integral capacitor connection for leakage signal voltage detection Integral capacitor connection for inverse leakage signal voltage detection SPECIFICATION No. PRODUCTS Semiconductor IC ○PACKAGE TYPE PAGE 3/4 BD9584F ○APPLICATION Control R 9584 AC line Input Vs 8 Regulator latch R REF Reset control GND 1 IN (UNIT:[mm]) [Fig.－1] 2 3 VR TRC1 4 5 TRC2 6 NR 7 SCR OS to load ○FUNCTION DESCRIPTION Earth leakage current detector has five modules: the difference amplifier, the latch, the reference,the voltage regulator and the reset control circuit (it is a timer indeed). This IC is connected to the sub-coils of the zero current mutual inductance (ZCT). The ZCT detects the leakage current which flows into the two inputs of the difference amplifier. Then the leakage current signal is amplified and integrated through two external capacitors. When the voltage of one of the two external capacitors exceeds the reference voltage, the counter counts once, and at the same time, the reset control circuit discharge once. When the voltage of the one of the two external capacitors exceeds the reference voltage another times, the counter counts twice, and at the same time, the latch triggers. This trigger sends out a trigger signal to the external SCR, and disconnects the reset control circuit from the OR gate. This makes the reset control circuit to reset the counter and the latch after the programmed time. REV. : TSZ22111･05･00 1.0 SPECIFICATION No. PRODUCTS Semiconductor IC TYPE BD9584F PAGE 4/4 ○NOTICE ①Absolute maximum ratings Absolute maximum ratings are the values which indicate the limits,within which the given voltage range can be safely charged to the terminal. However, it does not guarantee the circuit operation. ②Power dissipation(Pd) If the IC is used under excessive power dissipation. An increase in the chip temperature will cause deterioration of the radical characteristics of IC. For example, reduction of current capability. Take consideration of the effective power dissipation and thermal design with a sufficient margin. Pd is reference to the provided power dissipation curve. ③Using under strong electromagnetic field Be careful when using the IC under strong electromagnetic field because it may malfunction. ④Usage of IC When stress is applied to the IC through warp of the printed circuit board, The characteristics may fluctuate due to the piezo effect. Be careful of the warp of the printed circuit board. ⑤Testing IC on the set board When testing IC on the set board, in cases where the capacitor is connected to the low impedance,make sure to discharge per fabrication because there is a possibility that IC may be damaged by stress. When removing IC from the set board, it is essential to cut supply voltage. As a countermeasure against the static electricity, observe proper grounding during fabrication process and take due care when carrying and storage it. REV. : TSZ22111･05･00 1.0 SPECIFICATION No.