UAA4713

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UAA4713
MOTION DETECTOR INTERFACE
SUPPLY INPUT PYROELECTRICAL SENSOR INPUT PHOTORESISTIVE SENSOR SENSOR FILTER AMPLIFIER PROGRAMMABLE ON-TIMER TRIAC OUTPUT RELAY OUTPUT SHORT CIRCUIT PROTECTION QUIESCENT CURRENT TWO-WIRE TECHNIQUE DESCRIPTION UAA4713 monolithic integrated circuit intended control triac relay switch ACmains timer applications.The device used wide range industrial consumer applications light control, automatic door opening detector, fire alarm, fluid level control circuit processes output signal infrared pyroelectric detector which senses temperature changes caused heat radiation human body. BLOCK DIAGRAM
DIP-14 SO-14 ORDERING NUMBERS: UAA4713DP UAA4713FP
sensor detects temperature change, programmable timer will start switch lamp other loads mains. further input photo-resistive sensor allows program circuit operation depending day-light intensity. Internal circuits avoid false triggering external actuators. (see functional diagram).
December 1991
1/14
This advanced information product development undergoing evaluation. Details subject change without notice.
UAA4713
FUNCTIONAL DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol V6-3 V8-3 V14-3 V10-12 Tstg,Tj Ptot Supply Current Peak Current (T.P 200µs) Sourge Current (not repetitive 10ms) Max. Input Current Negative Clamp Voltage Positive Clamp Voltage Comp. Input Voltage Differential Input Voltage Operating Temperature Junction Storage Temperature Total Power Dissipation 85°C) Parameter Test Conditions Unit
THERMAL DATA
Symbol j-amb Parameter Thermal Resistance Junction-ambient Value Unit °C/W
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UAA4713
CONNECTION (Top view)
FUNCTIONS
Symbols ROUT TOUT VACI VREF Time control Input Photosensor comparator input Ground Relay output Triac output Negative clamp voltage AC-input supply Positive clamp voltage Zero cross detector Non-invert input sensor amplifier Sensor reference voltage Invert input sensor amplifier Output sensor amplifier Window comparator input Functions
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UAA4713
ELECTRICAL CHARACTERISTICS +10mA;Tamb 25°C unless otherwise specified)
Symbol VREF IROUT HIGH ITOUT VZCD IZCD IPRI VPRth ITCI tTIM Parameter Operative Supply Current Negative Clamping Voltage Positive Clamping Voltage Sensor Reference Voltage IREF 50µA IREF 200µA 80µA 0.4V during on-time 0.7mA Test Condition VPRI 0.7mA VTCI VTCI 11/12 9/12 7/12 5/12 3/12 1/12 Delay Time Between Window Comparator Input Timer Start Delay Time Between Timer Stop Retrigger 14/4 14/4 ±7.4 4.48 Continue ±8.6 3.73 33.3 67.5 135.8 272.5 Min. ±0.7 -7.8 Typ. Max. Unit
Output Current Relay Driver during on-time VROUT Relay Driver Source Saturation Voltage Relay Sink Output Current Triac Firing Current Zero Cross Detector Clamping Voltage Zero Cross Detector Operating Current Photoresistor Source Current Photoresistor Threshold Voltage Timer Control Input Current On-Timer Counter Duration (depends mains frequency externally adjustable Timer Control Input Voltage) cicle precision
(GND) 50Hz
60Hz 50Hz 14/4
33.3
41.6
ITOL IWCI AMP.
60Hz Triac Output Leakage Current Window Comparator Window Comparator Input Current Input Resistance Input Offset Current Input Bias Current Input Offset Voltage Common Mode Volt. Renge Output Voltage Swing Output Current Output Short Circuit Current Large Signal Open Loop Voltage Gain open VWCI
14/4 ±1.20 ±1.3
±1.40
10/12 10/12 10/12 10/12 10/12
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UAA4713
Figure Open Loop Frequency Response Figure VREF versus IREF
Figure Supply Current
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UAA4713
SYSTEM DESCRIPTION (see Functional Diagram) heat source moves front IR-detector, sensor delivers quasi sinusoidal AC-signal range. operational amplifier amplifies sensor signal 72dB. reject unwanted signal, band pass filter needed. AC-level exceeds window comparator thresholds, programmable timer will start. suppress short sensor signals, 50ms time filter implemented between window comparator output programmable timer. This function improves noise immunity. After reset timer second timer will provide 600ms dead time prevent retriggering timer. This function avoids restarting timer, when turned lamp temperature. decreases lamp switched triac located close sensor. avoid circuit operation during day-time, photo resistor (LDR) senses light intensity switches circuit. capacitor prevents circuit start-up during short shadow phases, when person passes sensor. From analog input AD-converter on-time duration programmed Figure steps (see tTIM table electical characteristics). timer clocked mains frequency. outputs various applications available. trigger output triac gate. output used switch relay other loads. zero crossing detector provides firing pulse triac right time, shortly after zero crossing AC-signal. RC-network supplies current circuit double wave rectification which provided split power supply. capacitive energy transfer into circuit will also supplied with current triac fired. short wire circuit supply needed. circuit works similar simple two-terminal switch installed parallel with ordinary mechanical pulse switches (fig. After short supply connection external pulse switch, circuit timer will also start without sensor signal. Therefore circuit also used ordinary light timer without IR-moving sensor feature.
Figure Different Possible Filter Solutions
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UAA4713
Figure Triac Application
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UAA4713
Figure Relay Application
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UAA4713
APPLICATION INFORMATION CHOOSE TRIAC ASSOCIATED MOTION DETECTOR UAA4713 Analysis Triac Associated Motion Detector UAA4713 Associated with UAA4713, Triac defined driver output stage (Triac output characteristics load. Triac consequently defined gate sensitivity surge current capability Triac current blocking voltage capability gate sensitivity "Triggering gate current" parameter taken into consideration. given 25°C. maximum value required trigger Triac. BTA06-600CW (mA) 35mA UAA4713 Triac output provides current 65mA typical. ITout 65mA(Typ) order control Triac properly should greater than ITout this reason suggested snubberless Triac series (IGT 35mA). surge current capability Triac databook surge current capability Triac given repetitive surge peak current: ITSM BTA06-600CW ITSM initial 25°C 8.3mA: 10ms: choice Triac defined following application parameters: a)The starting performance, ratio nominal resistance cold resistance, Imax Inominal b)The thermal fast fuse behaviour during short-circuit condition. (I2t) (Triac) (I2t) (fuse) select ITsm (given minimum value) following table suggested.
Mains: Power 1000 >1000 240V ITsm (min) >100 110V ITsm (min) >150
Triac Current Triac current ITRMS defined light power ITRMS depends also heat sink which limit junction temperature worse case conditions (Tamb ITRMS). With snubberless triac ITRMS ranges from 25A. Blocking Voltage Capability maximum blocking voltage VDRM defined mains:
Country EUROPE Mains Voltage VDRM
Conclusion: Selector guide with above parameters optimal device selection given power controlled given following table:
LIGHT POWER 1,000 1,000 MAINS VOLTAGE
Ref: High Performance Triacs that need snubber (DSTRIACBK/1088)
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UAA4713
APPLICATION INFORMATION (continued) MOTION DETECTOR DEMO BOARD Figure Demo Board Diagram This document allows user construct rapidly Demo Test Board UAA4713
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UAA4713
APPLICATION INFORMATION (continued) Demo Board Part List
DEVICE UAA4713DP UAA4713FP BTA06-600 (240V mains) BTA08-400 (110V mains) KRX10FL EI00S series LDR07 CAPACITORS QUANTITY VALUE 100µF/35V 330nF 47nF 4.7nF 68nF 400V 150nF 250V 3.3µF POTENTIOMETERS TRIAC TRIAC SENSOR WITH FRESNEL LENS Pyroelectic Infrared Sensor PHOTORESISTOR DESCRIPTION INTEGRATED CIRCUIT SUPPLIER SGS-THOMSON SGS-THOMSON SGS-THOMSON PHILIPS COMPONENTS MURATA PHILIPS COMPONENTS RESISTORS (0.25W) QUANTITY VALUE 470K 220K 500K
Figure Demo Board Photo E100S
11/14
UAA4713
DIP14 PACKAGE MECHANICAL DATA
DIM. MIN. 1.27 2.54 0.050 2.54 15.24 0.130 0.100 0.51 1.39 0.25 0.335 0.100 0.600 0.280 0.201 1.65 TYP. MAX. MIN. 0.020 0.055 0.020 0.010 0.787 0.065 inch TYP. MAX.
12/14
UAA4713
SO14 PACKAGE MECHANICAL DATA
DIM. MIN. 8.55 1.27 7.62 1.27 0.68 (max.) 0.15 0.016 8.75 0.35 0.19 (typ.) 0.336 0.228 0.050 0.300 0.157 0.050 0.027 0.344 0.244 TYP. MAX. 1.75 0.25 0.46 0.25 0.014 0.007 0.020 0.004 MIN. inch TYP. MAX. 0.069 0.009 0.063 0.018 0.010
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UAA4713
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsibility consequences such information infringement patents other rights third parties which result from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized critical components life support devices systems without express written approval SGS-THOMSON Microelectronics. 1994 SGS-THOMSON Microelectronics Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thaliand United Kingdom U.S.A.
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UAA4713

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