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| Features * * * * * * * * * * * * * Temperature and Voltage Compensated Frequency (Fully Integrated Oscillator) Warning Indication of Lamp Failure by Means of Frequency Doubling Voltage Dependence of the Indicator Lamps also Compensated for Lamp Failure Relay Output with High Current Capability and Low Saturation Voltage Frequency Doubling only During Direction Mode Temperature Compensated Threshold for Lamp Failure Detection Overvoltage and Undervoltage Shut Down of the Relay Outputs Quiescent Current I 10 A (Switches Open) EMI Protection According to ISO TR 7637/1, Test Level 4 (Exclusive Load Dump) Reversed Battery Protection by Means of a Serial Resistor and Relay Coil Connected Load Dump Protection 80 V with External Protection Components 12/24 V - Application Package: SO16 Two-relay Flasher ATA6140 Preliminary Electrostatic sensitive device. Observe precautions for handling. Description The integrated circuit ATA6140 is used in relay-controlled automotive flashers. With two output stages, each side of the vehicle is controlled separately. A left and a right direction indicator input with only a small control current makes switch contacts for small loads possible. The separate hazard warning input simplifies the construction of the hazard switch. Lamp outage is indicated by frequency doubling during direction mode. Thanks to the extreme low current consumption the ATA6140 can be connected to the battery directly. Figure 1. Block Diagram integrated oscillator 24V comp power on and 5V regulator bias current POR current monitoring and short circuit protection debounce charge pump measure input battery sense battery force Haz TS1G TS1B TS2G TS2B input input input input input debounce debounce debounce debounce debounce comp logic over-, undervoltage and load dump detection output stages ignition output left output right IC-ground testpin LED outage left right Rev. 4560A-AUTO-08/02 1 Pin Configuration Figure 2. Pinning SO16 TS1G TS1B TS2G TS2B Output right Batt Output left Ign 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IC-Ground Test pin Battery sense 24V Measure input Haz LED LED Pin Description Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol TS1G TS1B TS2G TS2B Output right Batt Output left Ign LED LED Haz Measure input 24V-Version Battery sense Test pin IC-Ground Function Input left ground Input left battery Input right ground Input right battery Output right Battery force Output left Ignition LED outage left LED outage right Input hazard Measure input 24 V version Battery sense Test pin IC ground 2 ATA6140 4560A-AUTO-08/02 ATA6140 Absolute Maximum Ratings Parameters Supply voltage Pin 6 Ambient temperature range Junction temperature range Storage temperature range Symbol VVS Tamb Tj Tstg Value 6 to 40 -40 to +105 -40 to +150 -55 to +150 Unit V C C C Thermal Resistance Parameters Maximum thermal resistance SO16 Symbol RthJA Value 110 Unit K/W Operating Range Parameters Supply voltage Pin 6 Supply voltage Pin 6 (24 V version, Pin 13 to GND) Symbol VVS VVS Value 6 to 24 18 to 33 Unit V V Noise and Surge Immunity Parameters Conducted interferences (1) Test Conditions ISO 7637-1 MIL-STD-883D Method 3015.7 ESD - S. 5.3 Value Level 4 2 kV 500 V ESD (Human Body Model) ESD FCDM (Field induced Charge Device Model) Note: 1. At both outputs a relay of minimum 130 W should be added. See application circuit for details. 3 4560A-AUTO-08/02 Electrical Characteristics No. 1 1.1 1.1 2 2.1 2.1 2.2 2.2 3 3.1 3.2 3.3 3.3 Parameters Supply Voltage Range Supply voltage Supply voltage (24 V version) Current Consumption Quiescent current (VS) Quiescent current (VS; 24 V version) Supply current (VS) Supply current (VS; 24 V version) Undervoltage detection threshold Undervoltage detection delay time Overvoltage detection threshold Overvoltage detection threshold (24 V version) Relay Outputs Current output right Current output left Saturation voltage right Saturation voltage left Leakage current right Leakage current right (24 V version) Leakage current left Leakage current left (24 V version) Start delay time right Start delay time left Control Signal Thresholds Frequency doubling Frequency doubling Frequency doubling (24 V version) Short circuit detection VS = 9 V VS = 15 V VS = 24 V VS = 13.5 V 12 12 12 12 VTHFD9 VTHFD15 VTHFD24 VTHSC 425 42 50 45 53 65 475 525 48 57 mV mV mV mV A A A B 170 mA at 23C 170 mA at 23C 5 7 5 7 5 5 7 7 5 7 II5 II7 VSATR VSATL ILEAKR ILEAKR ILEAKL ILEAKL TDR TDL 10 10 170 170 1 1 3 6 3 6 40 40 mA mA V V A A A A ms ms A A A A A A A A A A Disabled in 24 V version (Pin 13 to GND) 6 VVS < 16 V, switches open VVS < 33 V, switches open VVS < 16 V VVS < 33 V 6 6 6 6 IVS IVS IVS IVS 10 20 6 8 A A mA mA A A A A 6 6 VVS VVS 8 18 16 33 V V C C Test Conditions Pin Symbol Min. Typ. Max. Unit Type* Under and Overvoltage Detection 6 VVU tdUV VVO VVO 6 2.5 18 8 10 22 V ms V A A A 6 V A 4 4.1 4.2 4.3 4.4 4.5 4.5 4.6 4.6 4.7 4.8 5 5.1 5.2 5.2 5.3 *) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter 4 ATA6140 4560A-AUTO-08/02 ATA6140 Electrical Characteristics (Continued) No. 5.3 5.4 5.5 5.5 6 6.1 6.2 6.3 6.4 7 7.1 7.2 7.3 7.4 Parameters Short circuit detection (24 V version) Temperature coefficient Input current Input current (24 V version) LED Inputs Threshold left Threshold right Pull-up resistor left Pull-up resistor right Timing Basic frequency Bright period Bright period in failure mode Failure frequency FF 1/f = 706 ms FB -12 50 40 2.2 FB 12 % % % A A A VS = 13.5 V VS = 13.5 V 9 10 9 10 VLEDL VLEDR RLEDL RLEDR 1 1 10 10 4.5 4.5 75 75 V V kW kW A A A A Test Conditions VS = 24 V -40C to +105C VS = 13.5 V VS = 24 V Pin 12 12 12 12 Symbol VTHSC CTH ITH ITH Min. Typ. 650 30 2 4 Max. Unit mV V/K A A Type* B C A A *) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter Short Circuit or Overload Detection Delay Direction mode: 100 ms during the first bright phase; 50 ms during all following bright phases. Hazard mode: 100 ms during all bright phases. In case of overload the relay output switches off (not stored). Bulb Outage Detection The detection of bulb outage takes place during the bright phase. There is a delay time of typically 128 ms before ATA6140 measures the bulb current with a debounce period of 5 ms. After this time the inrush current dropped significantly. Application hint: It has to be considered that a slow relay contact may shorten the inrush current decay time and too high current would be measured and falsely an outage may not be detected. If operated with low supply voltage (e.g., 8 V) the relay speed could be even slower. 5 4560A-AUTO-08/02 Flasher Operating Mode Input Left Ground open ground open open ground open ground ground open ground open open ground open ground ground VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT Input Right Ground open open ground open open ground ground ground open open ground open open ground ground ground VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT VBATT Input Left Ignition IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground open Ignition open open Ignition open Ignition Ignition open Ignition open open Ignition open Ignition Ignition Input Right Ignition IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground IC-Ground open open Ignition open open Ignition Ignition Ignition open open Ignition open open Ignition Ignition Ignition Input Hazard open open open ground ground ground ground open open open open ground ground ground ground open open open open ground ground ground ground open open open open ground ground ground ground open Left Lamps (1) x x x flash flash flash flash x x flash x flash flash flash flash flash x x x flash flash flash flash x x flash x flash flash flash flash flash Right Lamps (1) x x x flash flash flash flash x x x flash flash flash flash flash flash x x x flash flash flash flash x x x flash flash flash flash flash flash Frequency in Case of Lamp Failure (1) x x x normal normal normal normal x (2) x double double normal normal normal normal normal x x x normal normal normal normal x (3) x double double normal normal normal normal normal Ignition off off off off off off off off on on on on on on on on off off off off off off off off on on on on on on on on Notes: 1. x = no flashing 2. If ignition is OFF, the input level cannot be sensed (the IC is in the sleep mode). For hazard mode use the input hazard. 3. For hazard mode use input hazard or switch to battery as shown in application 3. 6 ATA6140 4560A-AUTO-08/02 ATA6140 Diagrams Figure 3. Timing Diagram Basic frequency Bright phase 50% Dark phase 50% 706 353 100 128.5 127.5 50ms - 353ms => short circuit detection 100ms - 353ms => short circuit detection during first bright phase (turn signal mode) 100ms - 353ms => short circuit detection during each bright phase (hazard signal mode) 127.5ms - 128.5ms => lamp outage detection 0 50 Doubled frequency 40% 60% t/ms 0 50 100 128.5 127.5 321 t/ms Figure 4. Application 1: 12 V Version, Turn Signal Switches to GND, Hazard Switch to GND Ign Batt 10uF/63V IC Ground battery force battery sense 18mOhm 3x 1.3k integrated oscillator 24V, nc comp power on and 5V regulator bias current POR current monitoring and short circuit protection debounce charge pump output stages logic over-, undervoltage and load dump detection measure input Haz 10k 36k 1.5k output right input input input debounce debounce debounce debounce debounce comp Ign TS1G output left TS2G 36k input input Testpin, nc IC Ground LED LED 560Ohm/0.5W 7 4560A-AUTO-08/02 Figure 5. Application 2: 12 V Version, Turn Signal Switches to Ignition, Hazard Switch to GND Ign Batt 10uF/63V IC Ground battery force battery sense 1.3k integrated oscillator 24V, nc 18mOhm comp power on and 5V regulator bias current POR current monitoring and short circuit protection debounce charge pump output stages logic over-, undervoltage and load dump detection measure input Haz 10k input input debounce debounce debounce debounce debounce comp Ign to IC Ground output right TS1B 10k input input output left TS2B 10k input 2x 1.3k Testpin, nc IC Ground LED LED 560Ohm/0.5W Figure 6. Application 3: 12 V Version, Turn Signal Switches to Ignition, Hazard Switch to Battery Ign Batt 10uF/63V IC Ground battery force battery sense 18mOhm Haz integrated oscillator 24V nc comp power on and 5V regulator bias current POR input input debounce debounce debounce debounce debounce comp Testpin, nc IC Ground LED LED current monitoring and short circuit protection debounce charge pump output stages logic over-, undervoltage and load dump detection measure input Ign to IC Ground output right TS1B 10k input input output left TS2B 10k input 1.3k 1.3k 560Ohm/0.5W 8 ATA6140 4560A-AUTO-08/02 ATA6140 Figure 7. Application 4: 12 V Version, Turn Signal Switches to Ignition, Hazard Switch to GND, additional LED Outage Ign Batt 10uF/63V IC Ground battery force battery sense 18mOhm 1.3k 24V, nc integrated oscillator comp power on and 5V regulator bias current POR current monitoring and short circuit protection debounce charge pump output stages logic over-, undervoltage and load dump detection measure input Haz 10k input input debounce debounce debounce debounce debounce comp Ign to IC Ground output right TS1B 10k input input output left TS2B 10k input 2x 1.3k Testpin, nc IC Ground 18k 18k right 560Ohm/0.5W LED outage left Figure 8. Application 1: 24 V Version, Turn Signal Switches to GND, Hazard Switch to GND Ign Batt 10uF/63V battery force 3x 2.7k battery sense TBD measure input integrated oscillator 24V comp power on and 5V regulator bias current POR current monitoring and short circuit protection debounce charge pump Haz 20k 36k 5.1k input input input debounce debounce debounce debounce debounce comp logic over-, undervoltage and load dump detection output stages output right Ign TS1G output left TS2G 36k input input Testpin, nc IC Ground LED LED 560Ohm/0.5W 9 4560A-AUTO-08/02 Figure 9. Application 2: 24 V Version, Turn Signal Switches to Ignition, Hazard Switch to GND Ign Batt 10uF/63V battery force battery sense TBD 2.7k 24V integrated oscillator comp power on and 5V regulator bias current POR 20k current monitoring and short circuit protection debounce charge pump output stages logic over-, undervoltage and load dump detection measure input Haz input input debounce debounce debounce debounce debounce comp Ign to IC Ground output right TS1B 20k input input output left TS2B 20k input 2x 2.7k Testpin, nc IC Ground LED LED 560Ohm/0.5W Figure 10. Application 3: 24 V Version, Turn Signal Switches to Ignition, Hazard Switch to Battery Ign Batt 10uF/63V battery force battery sense TBD measure input integrated oscillator Haz 24V comp power on and 5V regulator bias current POR input input debounce debounce debounce debounce debounce comp Testpin, nc IC Ground LED LED current monitoring and short circuit protection debounce charge pump output stages logic over-, undervoltage and load dump detection Ign to IC Ground output right TS1B 20k input input output left TS2B 20k input 2x 2.7k 560Ohm/0.5W 10 ATA6140 4560A-AUTO-08/02 ATA6140 Figure 11. Application 4: 24 V Version, Turn Signal Switches to Ignition, Hazard Switch to GND, additional LED Outage Ign Batt 10uF/63V battery force 2.7k 24V battery sense TBD measure input integrated oscillator comp power on and 5V regulator bias current POR current monitoring and short circuit protection debounce charge pump Haz 20k input input debounce debounce debounce debounce debounce comp logic over-, undervoltage and load dump detection output stages Ign to IC Ground output right TS1B 20k input input output left TS2B 20k input 2x 2.7k Testpin, nc IC Ground 18k 18k right 560Ohm/0.5W LED outage left 11 4560A-AUTO-08/02 Ordering Information Extended Type Number ATA6140-TBQ Package SO16 Remarks Taped and reeled Package Information Package SO16 Dimensions in mm 10.0 9.85 5.2 4.8 3.7 1.4 0.4 1.27 8.89 16 9 0.25 0.10 0.2 3.8 6.15 5.85 technical drawings according to DIN specifications 1 8 12 ATA6140 4560A-AUTO-08/02 Atmel Headquarters Corporate Headquarters 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 487-2600 Atmel Operations Memory 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 436-4314 RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany TEL (49) 71-31-67-0 FAX (49) 71-31-67-2340 1150 East Cheyenne Mtn. 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No licenses to patents or other intellectual property of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel's products are not authorized for use as critical components in life support devices or systems. Atmel (R) is the registered trademark of Atmel. Other terms and product names may be the trademarks of others. Printed on recycled paper. 4560A-AUTO-08/02 xM |
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