➀ Vishay introduces the PTCEL67R series of automotive-rated PTC thermistors designed for handling in-rush currents in electric vehicles; ➁ The thermistors can absorb up to 340J and have high switching temperatures; ➂ They are suitable for DC link charging and energy discharge circuits, offering overload protection and current limiting.

1. The article discusses a high-precision Thermoelectric Peltier Controller (TEC) reference design by Renesas Electronics, suitable for applications requiring strict temperature control in consumer electronics, industrial processes, and medical devices. 2. The design utilizes the RX23E-A MCU with an integrated Analog Front End (AFE) for precise temperature management. 3. Key features include easy switching between heating and cooling, high precision, fast response times, and miniaturization, making it ideal for compact and noise-free designs.

1. The article discusses a TEC driver reference design for 3.3V inputs, which uses a buck-boost converter and a microcontroller for precise temperature control in sensitive applications. 2. It highlights the importance of temperature regulation in electronic components like laser diodes, where even a slight change can significantly affect performance. 3. The design features low solution costs, a compact power stage, and digital PI control for maintaining temperature within 0.1°C accuracy.