Sol Chip Energy Harvester Definition Saturn400 1 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
Document version: v1.2 01/2015 Sol Chip Ltd. Table of Contents 1. Sol Chip Energy Harvester Definition... 3 2. Voltage/Current/Power & Pin-Out Selection... 4 3. Electrical Specifications... 5 4. Package View... 7 5. Package Specification... 7 6. Certification... 8 7. Transport and Storage conditions... 8 8. Solder Reflow... 8 9. System Schematic Diagram... 9 8.1 No System Battery... 9 8.2 With System Primary Battery*... 10 Table of Figures Figure 1: Solar Chip Photo Saturn Chip... 3 Figure 2: Current vs. Voltage @ 9.0V Configuration @ AM1.5... 5 Figure 3: Power vs. Voltage @ 9.0V Configuration @ AM1.5... 5 Figure 4: Light spectral Power (AM1.5) compared to Solar Simulator power... 6 Figure 5: Saturn400, Power vs. voltage configuration at 500 LUX halogen light.... 6 Figure 6: Package View... 7 Figure 7: Package Specification... 7 Figure 8: Typical Pb-Free Solder reflow profile... 8 Figure 9: System schematic diagram: Example 1 no system battery... 9 Figure 10: System schematic diagram: Example 2 with system primary battery... 10 Tables Table 1: Voltage/Current Pin List... 4 2 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
1. Sol Chip Energy Harvester Definition Sol Chip Energy Harvester is a unique Photo Voltaic (PV) cell which produces six selectable voltage levels: 0.75 volt, 1.5 volt, 2.25 volt, 3 volt, 4.5 volt, 9 volt. Each selectable voltage delivers different current. See Table 1 below. The maximum power which can be extracted in full daylight is ~4.0 mwatt and in office lighting the power extracted is up to 22 μwatt, dependent on ambient lighting intensity. Additional voltage levels and also several voltage and power levels can be delivered simultaneously from separate pins of the device. Product Specification V (1) OC : 0.75V, 1.5V, 2.25V, 3V, 4.5V, 9V Max I (2) SC at full daylight: 8.2 mamp Pmax at full daylight: 4.0 mwatt Pmax at office light (3) : up to 22 μwatt (1) See Table 1 (2) For the case of V OC =0.75v. See Table 1. (3) Depends on light conditions. Operating temperature: Max. Operating temperature: +75 C. Min. Operating temperature: -40 C. Figure 1: Solar Chip Photo Saturn Chip 3 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
2. Voltage/Current/Power & Pin-Out Selection Table 1: Voltage/Current Pin List Voc [Volts] 9 4.5 3 2.25 1.5 0.75 Isc Max Power [mwatt] 0.7 (1) 4.0 (1) 1.4 (1) 4.0 (1) 1.9 (1) 4.0 (1) 2.8 1) 4.0 (1) 4.0 (1) 4.0 (1) 8.2 1) 4.0 (1) Anode pin Cathode pin 0.022 (2) 6 19 0.022 (2) 6 29 0.022 (2) 6 19 0.022 (2) 6 19 0.022 (2) 6 19 0.022 (2) 6 19 Required Connections 5_4; 3_2; 1_48; 47_46; 45_44; 43_30; 28_29; 26_27; 24_25;22_13; 20_21; +6; -19; 5_4; 3_2; 1_48; 47_46; 45_44; 30_27; 28_25; 26_23; 24_21; 22_19; +6_20; -43_29; 47_45_43_ 30_28_26; 5_3_1_48_46_44; 29_27_25_24_22_20; +6_4_2; -23_21_19; 5_3_1_47_ 46_44_ 30_28; 45_43_ 29_27_26_24_22_20; +6_4_2_48; -25_23_21_19; 5_3_1_47_45_43_30_28_26_24_22_20; +6_4_2_48_46_44; -29_27_25_23_21_19; +6_4_2_48_46_44_30_28_26_24_22_20; -5_3_1_47_45_43_29_27_25_23_21_19; (1) At AM1.5 (120,000 Lm/m 2 ) (2) Estimated for office Halogen ambient lighting (1,200 Lm/m 2 ) 4 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
3. Electrical Specifications Current and Power vs. Voltage using 9.0 V configuration and standard illumination levels (AM1.5). Current vs. Voltage 0.0 2.0 4.0 6.0 8.0 10.0 0.0E+00-1.0E-04-2.0E-04-3.0E-04 I [A] -4.0E-04-5.0E-04-6.0E-04-7.0E-04-8.0E-04 Figure 2: Current vs. Voltage @ 9.0V Configuration @ AM1.5 Pmax 0.0 2.0 4.0 6.0 8.0 10.0 V 0.0E+00-5.0E-04-1.0E-03-1.5E-03 P [W] -2.0E-03-2.5E-03-3.0E-03-3.5E-03-4.0E-03-4.5E-03 Figure 3: Power vs. Voltage @ 9.0V Configuration @ AM1.5 5 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
Figure 4: Light spectral Power (AM1.5) compared to Solar Simulator power P [W] Pmax vs. Voltage configuration Saturn400 @ 500 Lux HALOGEN light Volt 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 0.0E+00-1.0E-06 1.5V 500LUX -2.0E-06 2.25V 500LUX -3.0E-06 3V 500LUX -4.0E-06 4.5V 500LUX 9V 500LUX -5.0E-06-6.0E-06-7.0E-06-8.0E-06-9.0E-06-1.0E-05-1.1E-05-1.2E-05-1.3E-05 AVG. Pmax =12 μw Figure 5: Saturn400, Power vs. voltage configuration at 500 LUX halogen light. 6 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
4. Package View Figure 6: Package View 5. Package Specification Figure 7: Package Specification 7 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
6. Certification Date Certification July 2013 Measurement of photovoltaic current-voltage characteristics according to IEC 60904-1. July 2013 Power measurement according to IEC 60904-1. July 2013 Performance in pure indoor light according to IEC 60904-1. July 2013 Light-soaking test according to application/test 10.19 in IEC 61646. July 2013 Calculation of the mismatch factor (MM) according to IEC 60904-7. July 2013 Thermal cycle test (+85 C to -40 C, 200 cycles), according to IEC 61646. 7. Transport and Storage conditions The SATURN400 must be kept in a sealed anti-static package. Temperature should not exceed: 125 C for more than 24 Hours. 85 C for more than 48 Hours. -50 C for more than 48 Hours. 8. Solder Reflow The Saturn400 is Qualified for IPC/J-STD-020C Pb-Free Small Body Assembly: Figure 8: Typical Pb-Free Solder reflow profile 8 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
9. System Schematic Diagram 8.1 No System Battery Schottky Diode Charging Resistor diode Load Supply Internal PV cell Storage Capacit or OverVoltage Zener Diode Figure 9: System schematic diagram: Example 1 no system battery 9 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
8.2 With System Primary Battery* Schottky Diode Storage Cap1 enables storing PV energy while the load is in-active. Switch Load Supply Internal PV cell Storage Cap 1 System Primary Battery Storage Cap 2 Figure 10: System schematic diagram: Example 2 with system primary battery Advantage: Dual Charge Storage: When Load current < PV current, the Storage Cap 1 is charged and enables charge buffering. This will increase the energy efficiency. * Primary Battery Any off the shelf available non-rechargeable battery. 10 Sol Chip Ltd. Copyright 2011-2015, All Rights Reserved www.sol-chip.com
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