sx8124 Semtech Corporation, sx8124 Datasheet

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... The SX8124 starts counting time when connected to the mains, its internal counter can be reset on the press of a button (optional setting the duration to zero. The SX8124 duty cycle is set using one single resistive divider. Its output can be forced on or off with the press of the optional button. ...

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... ECHANICAL PECIFICATION 12 Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 12.1 SOIC 12.1.1 Outline drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 12.1.2 Land pattern 12.1.3 Marking information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Page 2 SX8124 DATASHEET Page www.semtech.com/products/ ...

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... CDM MM ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains Symbol Min V -0.3 AMRVDD V VSS - 0.3 AMRVIN I -100 AMRISS T -50 STOR ESD 4000 HBM ESD 1000 CDM ESD 200 MM Page 3 SX8124 DATASHEET Max Unit 2.5 V VDD + 0.3 V 100 mA ° C +150 www.semtech.com/products/ ...

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... Semtech Corp. 24 hours timer synchronized on 50/60Hz mains Symbol V DDOC V DDSPEC T OC Symbol V SAFE Threshold V POR Hysteresis V PORHYST 70°C V OFF T : -40 to 85°C Safe Low Batt ON : Active or Sleep Page 4 SX8124 DATASHEET Min Max 0.9 2.0 1.0 1.8 -40 +85 Min Typ Max 0.6 0.7 0.9 150 0.95 1.05 1.15 0.85 0.95 1.00 0.85 0.95 1.05 V PORHYST ...

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... START V 3/4 VDD OH V VSS OL VDD = 0 OH09 VDD >= 1 OH12 VDD = 0 OL09 VDD >= 1 OL12 C I Symbol TSynch TReset RPULL Page 5 SX8124 DATASHEET Min Typ Max Min Typ Max 0.1 VDD 1/4 VDD Min Typ Max 250 3 30 100 www ...

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... Optional LED pulses Output, low when active Negative supply and IC ground Digital input Output, high when active Positive supply 1 DURATION PHASE START LED Figure 1. SOIC-8 pinout Page 6 SX8124 DATASHEET 1 High impedance High impedance Negative supply Positive supply 8 VDD OUT VSS NOUT www.semtech.com/products/ ...

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... High impedance Digital input High impedance Digital input High impedance High impedance High impedance Negative supply Digital input High impedance Positive supply Page 7 SX8124 DATASHEET 1.6 1.8 2 Pin state Low voltage mode Active mode High impedance High impedance High impedance High impedance pull up ...

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... LED pin sending 250ms bursts (see ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains Hysteresis LOW ACTIVE VOLTAGE Figure 3. Operating modes vs VDD voltage “Operating” on page 10) “LED output” on page Page 8 SX8124 DATASHEET LOW VOLTAGE SAFE 15) www.semtech.com/products/ time ...

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... October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains Set ADC duration Reset ‘0’ detect 60 Hz detect 50 Hz detect 24H TIMER RC Oscillator Reset Debounce 3s detect Burst gen Figure 4. SX8124 Architecture Page 9 SX8124 DATASHEET VDD OUT Output control VSS NOUT www.semtech.com/products/ ...

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... Figure 5. Outputs waveforms during the 24 h cycle (Figure 6). A long pulse (around 3 seconds or more) resets the Short low pulse Short low pulse pin toggle 24h cycle Page 10 SX8124 DATASHEET (re)start Next 24h cycle pin toggle (re)start Next 24h cycle www.semtech.com/products/ ...

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... VDD 256 DURATION 128 0 VSS Figure 7. 256 steps resolution on DURATION pin toggle at set duration 24h cycle Step 128 Figure 8. 256 steps on the 24H timer cycle . Page 11 SX8124 SX8124 VDD VSS (re)start Next 24h cycle Step 256 www.semtech.com/products/ DATASHEET ...

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... ADVANCED COMMUNICATIONS & SENSING 8 Timer synchronization on a 50Hz or 60Hz external phase To avoid timing drifts over the time, the SX8124 can be synchronised on a signal from the mains. The SX8124 permanently checks the duration between two consecutive edges on the PHASE pin. 8.1 External phase available for synchronization ...

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... Figure 12. Manual reset holding START pin down during 3 seconds or more ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains SX8124 START Figure 11. Timer reset with the START button Toggle at set duration 24h cycle Page 13 SX8124 DATASHEET VDD VSS (re)start www.semtech.com/products/ ...

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... The voltage on DURATION pin remains ratiometric to VDD while VDD is below 1.8V. Additionally, if the voltage on DURATION pin exceeds |1.8V| the timer is reinitialized. ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains 18h start toggle at set duration Page 14 SX8124 DURATION 24h cycle www.semtech.com/products/ SX8124 DATASHEET VDD VSS (re)start ...

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... The first pulse occurs 5 seconds after a POR, timer startup or timer reset, OUT NOUT LED 250ms ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains 250ms 500ms 5s Figure 15. Dual pulse 5s Figure 16. Single pulse Page 15 SX8124 DATASHEET 250ms 500ms 250ms 250ms 5s www.semtech.com/products/ ...

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... ADVANCED COMMUNICATIONS & SENSING 10.3 Not synchronized on phase OUT NOUT LED 250ms 250ms ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains Figure 17. Continuous pulses Page 16 SX8124 DATASHEET www.semtech.com/products/ ...

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... V supply 0Ohms SX8124 1.2 V 1.5 mA DURATION SYNC PHASE DEBOUNCE START BURST GEN LED Page 17 ADC VDD 1 kOhm OUT 500 uA VSS NOUT www.semtech.com/products/ SX8124 DATASHEET 15 kOhm 11 W Heater 25 mA MSPA44 W < 300 mW IC < 300 < 300 V VB < 6V ...

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... ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains 0.9 – 2.0 V Coil LED SX8124 LED Figure 19. Booster for red LED 0.9 – 2.0 V Coil SX8124 LED LED Figure 20. Booster for white/blue LED Page 18 SX8124 DATASHEET VDD VSS VDD VSS www.semtech.com/products/ ...

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... ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains below shows a LED driving without the usage of a coil to drive the LED, and also Rlim LED Rb LED Figure 21. LED supplied by the mains Page 19 SX8124 DATASHEET 0.9 – 2.0 V SX8124 VDD VSS www.semtech.com/products/ ...

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... D .189 .193 .197 4.80 4.90 E1 .150 .154 .157 3.80 3.90 E .236 BSC 6.00 BSC e .050 BSC 1.27 BSC - h .010 .020 0.25 L .016 .028 .041 0.40 0.72 (.041) (1.04 0° 8° 0° aaa .004 0.10 bbb .010 0.25 ccc .008 0. 0.25 L (L1) A DETAIL -H- www.semtech.com/products/ SX8124 DATASHEET MAX - 1.75 - 0.25 - 1.65 - 0.51 - 0.25 5.00 4.00 - 0.50 1. 8° ...

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... CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. 2. REFERENCE IPC-SM-782A, RLP NO. 300A. ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains DIMENSIONS DIM INCHES (.205 .118 .050 X .024 Y .087 Y Z .291 Page 21 SX8124 DATASHEET MILLIMETERS (5.20) 3.00 1.27 0.60 2.20 7.40 www.semtech.com/products/ ...

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... ADVANCED COMMUNICATIONS & SENSING 12.1.3 Marking information &&''  " ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains "#$ &&''           !  "#$% !  ()(*%       +  Page 22 SX8124 DATASHEET  !  ,)()% www.semtech.com/products/ ...

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... Semtech Ltd., Units 2 & 3, Park Court, Premier Way, Abbey Park Industrial Estate, Romsey, Hampshire, SO51 9DN. EUROPE Tel: +44 (0)1794 527 600 Fax: +44 (0)1794 527 601 ACS - Revision 2.4 October 2010 © Semtech Corp. 24 hours timer synchronized on 50/60Hz mains Page 23 SX8124 DATASHEET ISO9001 CERTIFIED www.semtech.com/products/ ...