Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches General Description Features The AP2602 are fully integrated, resistor programmable octave remote temperature switches with selectable external/internal trigger voltages setting. The thresholds are set by external resistors and thermistors with negative temperature coefficient. • • • • 8 Remote Temperature Switches Set by Thermistor and External Resistors 4 Open-drain Active Low Output Stages for Each 2 Temperature Switches Selectable External/Internal Trigger Voltages Setting Built-in Hysteresis Temperature when Using Internal Setting Trigger Voltage Guaranteed Output Signal Valid to VCC=0.8V QFN-3X3-16 Package The AP2602 provides 4 open-drain, active low, over-temperature outputs for each 2 sensors. These switches operate with a 2.7V to 5.5V single supply. • • The AP2602 are available in 16-pin QFN-3X3-16 package. Applications • • • • • AP2602 µP Temperature Monitoring Computers Temperature Control Temperature Alarms Fan Control Automotives High-speed QFN-3X3-16 Figure 1. Package Type of AP2602 Feb. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 1 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 Pin Configuration 2 GND 3 SEL 4 OT34 TMSNS3 TMSNS2 13 E P 5 6 7 12 OT12 11 TMSNS1 10 TMSNS8 9 OT78 8 TMSNS7 VCC 14 TMSNS6 1 15 OT56 VTRIG 16 TMSNS5 Pin 1 Mark TMSNS4 FN Package (QFN-3X3-16) Note 1: Recommend connecting the thermal pad to GND for excellent power dissipation. Figure 2. Pin Configuration of AP2602 (Top View) Pin Description Pin Number Pin Name 1 2 3 VTRIG VCC GND 4 SEL 5,7,8,10, 11,13,14,16 TMSNSX 6,9,12,15 OTXY Feb. 2012 Function Input of external setting trigger voltage Power-supply input Ground Connect SEL to GND to select external trigger voltage, while connecting SEL to VCC to select internal trigger voltage. Don’t leave the pin floating Connect an external 1% resistor from TMSNSX to GND to set trigger point of remote temperature sensorX Open-Drain, active low, over-temperature output for sensor 1, 2, sensor 3, __________ __________ 4, sensor 5, 6, sensor 7, 8 respectively. The OTXY outputs are the wire-or results of sensorX and sensorY Rev. 1. 0 BCD Semiconductor Manufacturing Limited 2 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 Functional Block Diagram VTRIG SEL 2 4 1 11 VCC CMP TMSNS1 Deglitch Logic OT12 12 CMP with Hysteresis VREF 15 CMP 6 Deglitch Logic TMSNS2 13 14 16 5 7 8 & 10 CMP with Hysteresis & VREF 9 TMSNS8 OT78 3 GND Figure 3. Functional Block Diagram of AP2602 Feb. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 3 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 Ordering Information AP2602 - Circuit Type G1: Green Package FN: QFN-3X3-16 TR: Tape & Reel Package Temperature Range QFN-3X3-16 -40 to 125°C Part Number AP2602FNTR-G1 Packing Type Marking ID B2E Tape & Reel BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant and green. Absolute Maximum Ratings (Note 2) Parameter Symbol Value Unit VCC -0.3 to 6 V VOT -0.3 to 6 V VTMSNSX, VTRIG -0.3 to VCC+0.3 V VSEL -0.3 to 6 V Output Current (All Pins) 20 mA Input Current (All Pins) 20 mA TJ 150 °C Storage Temperature Range TSTG -65 to 150 °C Lead Temperature (Soldering, 10 seconds) TLEAD 260 °C Supply Voltage OTXY Voltage TMSNSX, VTRIG Voltage SEL Voltage Operating Junction Temperature Thermal Resistance θJA QFN-3X3-16 68 °C/W ESD (Machine Model) 200 V ESD (Human Body Model) 2000 V Note 2: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Feb. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 4 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 Recommended Operating Conditions Parameter Supply Voltage Operating Ambient Range Symbol Min Max Unit VCC 2.7 5.5 V TA -40 125 °C Temperature Electrical Characteristics VCC=2.7V to 5.5V, TA =-40°C to 125°C, unless otherwise specified. Typical values are at TA=25°C. Parameter Symbol Supply Voltage VCC Supply Current ICC TMSNSX Threshold Input VTH/VCC Conditions Typ 2.7 VCC=3.3V Max Units 5.5 V VTMSNSX=VCC 40 100 VTMSNSX=GND 55 110 __________ OTXY float µA VCC=5V, VSEL=VCC, VTH/VCC 0.244 0.25 0.256 VCC=3.3V, VSEL=VCC, VTH/VCC 0.24 0.25 0.26 0<VTRIG<0.4×VCC 0.5 0.4× VCC V -15 15 mV VTRIG Input Range VTRIG Offset Voltage between VTRIG and TMSNSX VOS VCC=5V, VSEL=GND VIH VCC=5V VIL VCC=5V ISINK VOT=0.3V, VTMSNSX=0V Open-drain OTXY Output Leakage Current ILEAK-OT VOT=VCC, VTMSNSX=5V Thermal Resistance θJC SEL Input Voltage Min V/V 2 V 1 V __________ Open-drain OTXY Output Sink Current 3 4.5 mA __________ Feb. 2012 QFN-3X3-16 1 4.2 Rev. 1. 0 µA °C/W BCD Semiconductor Manufacturing Limited 5 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 70 70 60 60 50 50 Supply Current (µA) Supply Current (µA) Typical Performance Characteristics 40 30 VCC=3.3V VSEL=VCC VTMSNSX=3.3V VTMSNSX=0V 20 10 0 -50 -25 0 25 50 75 100 40 30 VCC=3.3V VSEL=GND,VTRIG=1V VTMSNSX=3.3V VTMSNSX=0V 20 10 125 0 -50 150 -25 0 70 60 60 50 50 Supply Current (µA) Supply Current (µA) 75 100 40 VSEL=VCC VTMSNSX=3.3V o TC=-40 C 30 VSEL=GND VTMSNSX=0V o 20 TC=-40 C o TC=25 C 10 o TC=150 C 0 2.5 3.0 3.5 4.0 4.5 5.0 0 2.5 5.5 Supply Voltage (V) o TC=150 C 3.0 3.5 4.0 4.5 5.0 5.5 Supply Voltage (V) Figure 6. Supply Current vs. Supply Voltage Feb. 2012 150 40 o TC=25 C 10 125 Figure 5. Supply Current vs. Case Temperature 70 20 50 Case Temperature ( C) Figure 4. Supply Current vs. Case Temperature 30 25 o o Case Temperature ( C) Figure 7. Supply Current vs. Supply Voltage Rev. 1. 0 BCD Semiconductor Manufacturing Limited 6 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 Offset Voltage between VTRIG and TMSNSX (mV) Typical Performance Characteristics (Continued) TMSNSX Input Threshold (VTH/VCC) 0.252 0.251 0.250 0.249 0.248 0.247 VSEL=VCC VCC=3.3V VCC=5V 0.246 0.245 -50 -25 0 25 50 75 100 125 150 3.0 2.5 2.0 1.5 VSEL=GND VTRIG=1V VCC=3.3V VCC=5V 1.0 0.5 0.0 -50 o -25 0 25 50 75 100 125 150 o Case Temperature ( C) Case Temperature ( C) Figure 8. TMSNSX Input Threshold (VTH/VCC) vs. Case Temperature Figure 9. Offset Voltage between VTRIG and TMSNSX vs. Case Temperature 30 VTMSNS1 2V/div OTXY Sink Current (mA) 25 VTMSNS2 2V/div 20 15 VCC=5V VSEL=VCC VTMSNSX=0V 10 VOT12 2V/div o TC=-40 C o TC=25 C 5 o TC=150 C 0 0 1 2 3 4 5 Time (10µs/div) OTXY Voltage (V) __________ Figure 10. Open-drain OTXY Output Sink Current Figure 11. Deglitch time to OT High (VSEL=VCC) __________ vs. OTXY Voltage Feb. 2012 (Conditions: VCC=5V, VTMSNS1=0.5V to 3V, VTMSNS2=2.5V) Rev. 1. 0 BCD Semiconductor Manufacturing Limited 7 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 Typical Performance Characteristics (Continued) VTMSNS1 2V/div VTMSNS2 2V/div VTMSNS1 2V/div VTMSNS2 2V/div VOT12 2V/div VOT12 2V/div Time (50µs/div) Time (10µs/div) Figure 12. Deglitch time to OT Low (VSEL=VCC) (Conditions: VCC=5V, VTMSNS1=0.5V to 3V, VTMSNS2=2.5V) Figure 13. Deglitch time to OT High (VSEL=GND) (Conditions: VCC=5V, VTMSNS1=0.5V to 3V, VTMSNS2=2.5V, VTRIG=1V) VTMSNS1 2V/div VTMSNS2 2V/div VOT12 2V/div Time (50µs/div) Figure 14. Deglitch Time to OT Low (VSEL=GND) (Conditions: VCC =5V, VTMSNS1=0.5V to 3V, VTMSNS2=2.5V, VTRIG=1V) Feb. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 8 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 Typical Application Mode A Figure 15. Typical Application of AP2602 (Mode A) Feb. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 9 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 Typical Application (Continued) Mode B 100k 100k 100k 100k 2 RSET8 RSET2 RSET1 VCC 11 13 TMSNS1 OT12 TMSNS2 OT34 AP2602 OT56 Thermistor 10 TMSNS 8 OT78 1 VTRIG 4 12 VCC 15 µP 6 9 GND SEL GND 3 Figure 16. Typical Application of AP2602 (Mode B) Feb. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 10 Preliminary Datasheet Octave Remote Resistor-programmable Temperature Switches AP2602 Mechanical Dimensions Unit: mm(inch) 2.900(0.114) 3.100(0.122) QFN-3×3-16 Feb. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 11 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com IMPORTANT NOTICE IMPORTANT NOTICE BCD Semiconductor BCD Semiconductor Manufacturing Manufacturing Limited Limited reserves reserves the the right right to to make make changes changes without without further further notice notice to to any any products products or or specifispecifications herein. cations herein. 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