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 Features
* * * *
Lamp Outage Indication for Car and Trailer Temperature and Supply Voltage Compensated Flashing Frequency Relay Driver Output with High Current Carrying Capacity and Low Saturation Voltage Minimum Lamp Load for Flasher Operation > 10W
1. Description
The bipolar integrated circuit ATA2069 is designed for the use in relay-operated automotive flasher modules and makes it possible to detect the outage of flasher bulbs on the vehicle itself and also on a trailer. Vehicles with a trailer hook are equipped with additional pilot lamps in the dashboard. ATA2069 is off (i.e., the relay is deactivated) as long as the flasher switch (at contact +49a) is open. As soon as this switch is closed, the IC starts reliably with the bright phase. There are two thresholds integrated: one threshold is defined to be 21 + 10W and is designed for the lamp outage detection of 1 of 2 lamps. If the current is below this threshold, the IC switches to frequency doubling, just like the standard flashers (e.g. U2043B). The other threshold is defined to be 42 + 10W and is designed for the outage detection of 1 of 3 lamps; if this happens, the additional trailer pilot lamp is switched off, but there is no frequency doubling. 50 ms after the start of the bright phase, the comparator measures the voltage drop at the shunt and latches this value for the rest of the bright phase. The output of this pilot lamp (pin 8) is short-circuit protected against GND. In case of a short circuit the external transistor is switched off after 52 ms for the rest of the current flasher cycle, but it is enabled again for the next cycle.
Flasher with Trailer Control ATA2069
4917C-AUTO-10/07
Figure 1-1.
Block Diagram
VS 2 VS - 57 mV +49
C1 5
K1 32V
VS - 111 mV 3 k R1
Timing Unit
K2 VS - 11 mV 6 VS/2 K3
K4
R4 10
S Q
R
1 40% of VS
K5
R2 100
3 R3 1.5 k
7
4 Shunt R6 20 m 4W
8
Relay
VS +49
R5 150
49a
Pilot lamp trailer 21W trailer 5W 21W 21W 21W 21W 5W 21W trailer
2
ATA2069
4917C-AUTO-10/07
ATA2069
2. Pin Configuration
Figure 2-1. Pinning
GND VS REL LD 1 2 3 4 8 7 6 5 OPL SI OSCR OSCC
Table 2-1.
Pin 1 2 3 4 5 6 7 8
Pin Description
Symbol GND VS REL LD OSCC OSCR SI OPL Function IC ground Supply Voltage Relay driver Lamp failure detection Cap. oscillator Res. oscillator Start input (49a) Output pilot lamp
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4917C-AUTO-10/07
3. Absolute Maximum Ratings
Stresses beyond those listed under "Absolute Maximum Ratings" 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 beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Parameters Supply voltage Junction temperature Ambient temperature range Storage temperature range Thermal resistance junction ambient DIP8 Thermal resistance junction ambient SO8 Pin 2 Symbol VS TJ Tamb Tstg Rthjc Rthjc Value 16.5 150 -40 to +95 -55 to +150 110 160 Unit V C C C K/W K/W
4. Electrical Characteristics
Parameters Supply voltage range Relay output current Relay saturation voltage Relay leakage current Values for T = 25C Start delay Delay time for output OPL Switch off delay time output OPL in case of short circuit Voltage threshold for short circuit detection at output OPL Output current at OPL Saturation voltage at OPL Control signal threshold K1 for outage detection without trailer operation Control signal threshold K4 for outage detection with trailer operation Frequency tolerance Bright period Bright period Frequency increase Leakage increase Lamp load Basic frequency Frequency doubling Lamp outage 49a to GND VS = 9V VS = 13V VS = 15V VS = 9V VS = 13V VS = 15V OPL OPL OPL OPL OPL ton tDel tDel Vth IO VSATO Vk1 47.5 54.2 58 96 109 115 -5 47 37 2.15 x f 50 57 61 98 111 118 45 1.5 36 10 10 55 2.4 44 25 300 52.2 59.9 64.1 100 113 120 +5 53 45 2.3 x f 5 10 ms ms ms % of Us mA mV mV mV mV mV mV mV % % % Hz k W I = 130 mA I = 250 mA Test Conditions Pin 2 3 3 3 Symbol VS (+49a) IRel VRel IRelr Min. Typ. 9 to 15 300 1 1.5 100 Max. Unit V mA V V A
Vk4 Delta f1 Delta f1 Delta f2 f2 RI PL
4
ATA2069
4917C-AUTO-10/07
ATA2069
5. Ordering Information
Extended Type Number ATA2069-3ASY ATA2069-TASY ATA2069-TAQY Package DIP8 SO8 SO8 Remarks Tubed, Pb-free Tubed, Pb-free Taped and reeled, Pb-free
6. Package Information
Package: DIP8 Dimensions in mm 9.8 max. 9.60.1 1.20.3 4.20.3 3.60.1 1.8 7.620.15 0.3 B A
6.7 2.5
0.530.05
0.4 A
6.30.1
0.36 max.
2.54 nom.
B 1.54
3 x 2.54 = 7.62 nom.
8.750.8
0.65 8 5
technical drawings according to DIN specifications
1 Drawing-No.: 6.543-5040.01-4 Issue: 1; 16.01.02
4
5
4917C-AUTO-10/07
Package: SO 8 Dimensions in mm 4.90.1 50.2 3.70.1
0.2
0.1+0.15
1.4
0.4 1.27 3.81
3.80.1 60.2
8
5
technical drawings according to DIN specifications
1 Drawing-No.: 6.541-5031.01-4 Issue: 1; 15.08.06
4
7. Revision History
Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. 4917C-AUTO-10/07 4917B-AUTO-03/06 History * Put datasheet in a new template * Section 5 "Ordering Information" on page 5 changed. * Section 5 "Ordering Information" on page 5 changed.
6
ATA2069
4917C-AUTO-10/07
Headquarters
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International
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Product Contact
Web Site www.atmel.com Technical Support auto_control@atmel.com Sales Contact www.atmel.com/contacts
Literature Requests www.atmel.com/literature
Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL'S TERMS AND CONDITIONS OF SALE LOCATED ON ATMEL'S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT, EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel's products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life.
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4917C-AUTO-10/07


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