Description
The integrated circuit L2044L (analog U2044B) 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 L2044L can be connected to the
battery directly. The IC can used for 24V circuit and control LED.
Features
● Temperature and supply voltage compensated flashing frequency
● Frequency doubling indicates lamp outage
● Two relay driver outputs with high current-carrying capacity and low saturation voltage
● Minimum lamp load for flasher operation: ≥1W
● Very low susceptibility to EMI
● Extremely low current consumption < 10 μA (@switches open)
● Reverse polarity protection
● Three control inputs: left, right and hazard warning

 

Main products as follows:

1. Auto/moto flasher relay IC LT4761 LD1041 U2043B L2044L LD1204

2. Auto windshield wiper blade control IC U641B U642B LD33197

3. Auto high energy/hall electronic ignitor IC LD3334 LD3335 LD497 LD79076

4.Moto magnetic signal ignition control IC

5.Auto rear windows heating timer LD6046

6.Auto metal proximity detector IC LD209A

7.Hall sensors

8.PWM lights control IC (available for backlight of auto instrument ) LD6083B

9.Power darlington transistor BU931ZT BU941ZT 2SD1071 TIP142 TIP147

10.Current regulative diode

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Catalog and datasheet will be provided if needed.