Automotive speed limiter

Published:2011/7/20 19:21:00 Author:Lucas | Keyword: Automotive , speed limiter | From:SeekIC

The automotive electronic speed limiter circuit consists of transistors Vl, V2, relay K, resistors Rl-R3, diodes VDl, VD2, and light-emitting diode VL, and the circuit is shown in Figure 7-172. Rl and R2 select 1/4W metal film resistors; R3 selects the lW metal film resistor. VDl and VD2 use 1N4148 silicon switch diode or lN4007 rectifier diode. Vl uses S9013 silicon NPN transistor; V2 uses the S8050 silicon NPN transistor. K selects the 4088 or 4098 12V DC relay.



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