Hello.
Currently Iam working on a project, part of which requires me to design a temperature controller using peltier element. I have almost completed the design but I would like to clarify whether the peltier driver that I've used is correct before proceeding towards final implementation.
Since applying a PWM may damage a peltier element, I've chosen a Quasi complementary push pull class B amplifier using BJT's for delivering the required power to the peltier element from the output of a PID processor. The driver consists of Darlington & Feedback pairs, the circuit of which is shown below. Is there any problem in implementing this circuit & How am I supposed to design the two resistors?
Currently Iam working on a project, part of which requires me to design a temperature controller using peltier element. I have almost completed the design but I would like to clarify whether the peltier driver that I've used is correct before proceeding towards final implementation.
Since applying a PWM may damage a peltier element, I've chosen a Quasi complementary push pull class B amplifier using BJT's for delivering the required power to the peltier element from the output of a PID processor. The driver consists of Darlington & Feedback pairs, the circuit of which is shown below. Is there any problem in implementing this circuit & How am I supposed to design the two resistors?