Features
•
•
•
•
•
•
Temperature and Supply Voltage Compensated Flashing Frequency
Frequency Doubling Indicates Lamp Outage
Relay Driver Output with High Current Carrying Capacity and Low Saturation Voltage
Minimum Lamp Load for Flasher Operation:
≥
1 W
Very Low Susceptibility to EMI
Protection According to ISO/TR 7637/1 Level 4
Flasher IC with
18-mΩ Shunt
U6043B
1. Description
The bipolar integrated circuit U6043B is used in relay-controlled automotive flashers
where a high level EMC is required.
Lamp outage is indicated by frequency doubling during hazard warning as well as
direction mode.
Rev. 4726B–AUTO–11/05
ATMEL [ ATMEL CORPORATION ]
