U6049B ATMEL Corporation, U6049B Datasheet
U6049B
Available stocks
Related parts for U6049B
U6049B Summary of contents
Page 1
... Radiator Fan Control Timer Description The bipolar integrated circuit, U6049B, is designed as a radiator fan control timer. After the ignition is switched off, the thermal switch of the engine can activate the ra- Features D Delay time range: 3 Cooling time starts when thermal switch is closed D RC-oscillator determines switching characteristics ...
Page 2
... However it is possible to operate the integrated circuit 1 with supply, but it should be free of interference voltages. In this case, Pin 7 is connected to Pin 8 as shown figure 4, and the Batt 13311 Figure 4. Basic circuit for stab U6049B 3 6 OSC Program 4 5 13313 Figure 2. Pinning . Batt C circuit is omitted U6049B 13312 = Rev. A3, 07-Jun-99 ...
Page 3
... Relay Control Output behavior, Pin 2 The U6049B controls the cooling fan motor in an automo- bile by means of a relay. Figure 5 shows the internal input circuit of ignition (Pin 3). It has an integrated pull-down resistor (20 k RF-capacitor (15 pF) and 7-V Z-diode. It reacts to volt- ages greater than 2 V. ...
Page 4
... stopped Figure 7. Timing waveform W V 510 Batt only 8812 closed), th Figure 8. R Basic circuit Pin 3 Pin 4 Pin 2 Pin 2 94 8817 d is open th W 100 nF 200 U6049B 100 Thermal switch Terminal 200 k 4 Rev. A3, 07-Jun-99 ...
Page 5
... 1 0 2.8 6H – 72704 d Pin 1.6 3,4,5 V 6.5 3,4,5 Pin Batt 3 Pin 4 – Pin 5 – U6049B Value Unit 24 V –40 to +125 +125 C – 150 C Maximum Unit 120 K/W 160 K/W Typ Max Unit 6.0 V 5.2 5.4 V 4.2 V 1.3 2 1.2 V 1.5 ...
Page 6
... U6049B Table 1. Dimensioning for oscillator frequency, debounce time and delay time Fre- De- Delay Time quency bounce f Time min s 1 6000 1229 2 3000 614 3 2000 410 4 1500 307 5 1200 246 6 1000 205 7 857 176 8 750 154 9 667 137 10 600 123 20 300 61 30 ...
Page 7
... DIN specifications 4 5.2 4.8 5.00 4.85 3.7 1.4 0.25 3.8 0.10 6.15 3.81 5.85 5 technical drawings according to DIN specifications 4 U6049B 13021 0.2 13034 7 (8) ...
Page 8
... U6049B Ozone Depleting Substances Policy Statement It is the policy of TEMIC Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment ...