Power

5.5v over-voltage solution uses OPMs

26th October 2014
Mick Elliott
0

Until now, portable devices supplied by USB, Li-ion or NiMH batteries with voltage levels up to 5.5 V could not use standard process devices, such as 3.3 V CMOS I/O transistors. This lead fabless semiconductor companies to use expensive alternatives, such as external regulators or expensive process options, including HV/BCD processes.

Dolphin Integration is proposing a cost effective alternative to such solutions with a set of Over-voltage Protection Modules (OPM). These OPM can be easily associated with embedded regulators and extend the benefit of their DELTA offering to enable:

  • Over-voltage operation (up to 5.5 V) while using standard process devices, such as 3.3 V devices
  • Direct connection to the battery with the capability to protect several regulators, leading to a decrease of the Bill-of-Materials

The components are part of Dolphin’s standardised offering for Power Management Networks: the DELTA Reduced Power Kit Library.

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