Description
The U6432B is an advanced automotive flasher IC which provides low standby current.
AUTO
06/03
1
Block Diagram
Figure 1. Car Flasher Application
VS
6
G5
2
K3
+ -
V S-57 mV
VS
D1 21 V T1 C2 10 µF
G3 C1 4.7 µF
K2
+ 6.2 V D2
+ R1 82 kW G4 5 4 -
K1
V S-57 mV
G2
G1
T2 V
Features
- Temperature and Voltage Compensated Frequency.
- Warning Indication of Lamp Failure by Means of Frequency Doubling only in Direction.
- Mode Voltage Dependence of the Car Indicator Lamps also Compensated for Lamp Failure Relay Output with High Current-carrying Capacity and Low Saturation Voltage Load-dump Protection Minimum Lamp Load for Flasher Operation ³ 1 W Low Susceptibility to EMI Extremely Low Standby Curr.
U6432B_ATMELCorporation.pdf
