RE46C163E16F Microchip Technology, RE46C163E16F Datasheet

Page 1

... I/O Filter and Charge Dump • Internal Low Battery Detection • Power-up Low Battery Test • Interconnect Detectors • RoHS Compliant, Lead Free Packaging  2010 Microchip Technology Inc. RE46C162/163 Description The RE46C162/163 devices are low-power, CMOS ionization type, smoke detector ICs. With few external components, these circuits will provide all the required features for an ionization type smoke detector ...

Page 2

... Reference V ( 760K - R3 340K TSTART (1) VSEN (13) R4 1100K GUARD1 (14) DETECT (15 GUARD2 (16) V (9) SS Guard Amp DS22245A-page 2 Low Battery Comparator Logic and Timing + - Smoke Comparator Bias and Power Reset Oscillator IO (2) FEED (8) HS (11) HB (10) LED (5) TSTROBE (4) RBIAS (7) OSCAP (12)  2010 Microchip Technology Inc. ...

Page 3

... R3, R4 and C1 are typical values and may be adjusted to maximize sound pressure should be located as close as possible to the device power pins. 5: Route the pin 8 PC board trace away from pin 7 to avoid coupling should be at least 1.5K.  2010 Microchip Technology Inc. RE46C162/163 TEST and HUSH R5 ...

Page 4

... Route the pin 8 PC board trace away from pin 7 to avoid coupling. DS22245A-page 4 TEST and HUSH R5 100K 1 TSTART 16 GUARD2 DETECT 3 TONE 14 GUARD1 4 TSTROBE 13 VSEN 5 12 LED OSCAP RBIAS FEED SS R6 68K µ 220K 1.5M .001 µF  2010 Microchip Technology Inc. ...

Page 5

... Not 100% production tested. 2: Production test at room with temperature guard banded limits. 3:  2010 Microchip Technology Inc. † Notice: Stresses above those listed under “Maximum rat- ings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation listings of this specification is not implied ...

Page 6

... Guard amplifier outputs, Note 2 No alarm to alarm condition = +25° 9V Conditions No alarm condition Alarm condition Operating Operating Standby, no alarm Alarm condition Timer mode, no alarm Alarm memory LED pulse spacing Alarm memory LED off time between pulse train  2010 Microchip Technology Inc. ...

Page 7

... All other timing is verified by functional testing. 2: PER1 PER2 PW TEMPERATURE CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, Parameters Temperature Ranges Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, 16L-PDIP  2010 Microchip Technology Inc. = 0V. Test Min Typ Max Units Pin 10,11 450 500 550 ms 10,11 9 ...

Page 8

... RE46C162/163 NOTES: DS22245A-page 8  2010 Microchip Technology Inc. ...

Page 9

... VSEN 14 GUARD1 15 DETECT 16 GUARD2  2010 Microchip Technology Inc. Table 2-1. Description This input is used to invoke the push-to-test alarm, alarm memory indication, and the timer mode. This input has an internal pull-down. This bidirectional pin provides the capability to interconnect many detectors in a single system. This pin has an internal pull-down. ...

Page 10

... RE46C162/163 NOTES: DS22245A-page 10  2010 Microchip Technology Inc. ...

Page 11

... LED Pulse The LED is pulsed on for 10.5 ms every 40s in standby. In alarm, the LED is pulsed on for 10.5 ms every 1 second.  2010 Microchip Technology Inc. RE46C162/163 3.5 Interconnect The I/O pin provides a capability common to many detectors in a single system single unit goes into alarm, the I/O pin is driven high ...

Page 12

... LED supress ed in remote alarm mode T IODLY2 Horn pattern not self completing for external alarm,s ee timing below for complete horn c ycle T HOF2 T HOF3 . DD it should be done DD No Alarm; Low Battery Pin 15 > Pin 13 Low Battery Warning Chirp T IODMP  2010 Microchip Technology Inc. ...

Page 13

... FIGURE 3-2: Timing Diagram –Timer Mode. Alarm, No Low Battery Memory; No Alarm; No Low Battery LED LON HB TSTART FIGURE 3-3: Timing Diagram – Alarm Memory Mode.  2010 Microchip Technology Inc. T PER1 T TPER Alarm Memory After 24 Hour Timer T T LOF 4 LOF 1 T LOF 5 T ...

Page 14

... RE46C162/163 NOTES: DS22245A-page 14  2010 Microchip Technology Inc. ...

Page 15

... In the event the full Microchip part number cannot be marked on one line, it will Note: be carried over to the next line, thus limiting the number of available characters for customer-specific information.  2010 Microchip Technology Inc. RE46C162/163 Example RE46C162-V/P 1003256 ...

Page 16

... RE46C162/163 /HDG 3ODVWLF 'XDO ,Q /LQH 3 ± 1RWH 1RWHV DS22245A-page 16 PLO %RG\ >3',3@  2010 Microchip Technology Inc. ...

Page 17

... APPENDIX A: REVISION HISTORY Revision A (March 2010) • Original Release of this Document.  2010 Microchip Technology Inc. RE46C162/163 DS22245A-page 17 ...

Page 18

... RE46C162/163 NOTES: DS22245A-page 18  2010 Microchip Technology Inc. ...

Page 19

... PART NO. /X Device Number Package of Pins Device RE46C162: CMOS Ionization Smoke Detector RE46C163: CMOS Ionization Smoke Detector Package E = Plastic Dual In-Line, 300 mil. Body, 16-Lead (PDIP)  2010 Microchip Technology Inc. RE46C162/163 . Examples: a) RE46C162E16F: 16LD PDIP Package. b) RE46C163E16F: 16LD PDIP Package. DS22245A-page 19 ...

Page 20

... RE46C162/163 NOTES: DS22245A-page 20  2010 Microchip Technology Inc. ...

Page 21

... PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

Page 22

... Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350  2010 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...