Electronic overvoltage and overcurrent protection scheme for 12V automobile
Scheme description:
(TVS, transient voltage suppressor) SM8Z/5Z series is designed for automotive applications design, this series of products in accordance with the TS16949 quality system, and meet the test requirements of standard special vehicle test ISO7637-2, can ensure that all design, development, manufacture, and installation of the components with the highest level of automotive standards.
Solution content:
1 Transient Suppressor Diodes: SM8Z22A
1 self restoring fuses: TG250-XXX
Common products: Meet the requirements:
ISO7637-2
Alternative options:
Other solutions:
Intelligent parking management system - overvoltage and overcurrent protection
Communication serial - overvoltage and overcurrent protection
Other solutions:
5KP33A, 5.0SMDJ33A, 8KP33A, SM5Z33A
Advantage:
6600W peak pulse power supply high temperature operating conditions of surge and overvoltage protection of the powerful 175 DEG C, meet all kinds of harsh conditions in the field of automotive applications, according to ISO7637-2 automotive electronic surge test specification has excellent voltage clamping capacity and very fast response time.
24V system, automotive electronic protection program, circuit diagram: