Plug-and-play over-voltage and over-current protection
Polyzen CE Series of integrated over-voltage and over-current devices
TE Circuit Protection has introduced the PolyZen CE (Consumer Electronics) series of circuit protection devices for tablet PCs and other portable consumer electronics. Consumer electronics require robust circuit protection to help protect sensitive electronics from over-voltage and over-current events that can result in costly product returns and warranty issues. The low-profile (1.0 mm height) PolyZen CE device, rated at 2.6 A, offers significant performance advantages over discrete protection circuits that use fuses, Zeners, and other passive devices. TE Circuit Protection's PolyZen products integrate a precision Zener diode, with 5.6 and 13.2 V Zener voltage (Vz) options, and a PolySwitch PPTC (Polymeric Positive-Temperature-Coefficient) device in a single, surface-mount assembly. Offered in a thin, compact package useful for space-constrained applications, the PolyZen CE series uses a thermally protected Zener diode to help protect electronics against voltage transients, reverse-bias, and the incorrect use of power supplies. The PolySwitch PPTC element shuts out excessive current while the fault condition remains and helps shield the Zener diode and downstream electronics from damage. ??"When building circuit protection into tablets and other cutting-edge consumer products, manufacturers must weigh component costs against the high price of potential warranty returns that can ultimately compromise their brand," said Curtis Wong, Global Portfolio product manager for TE Circuit Protection. "The two conventional approaches either provide inadequate protection or are less cost effective. Multiple discrete-component [designs], such as fuses and TVS diodes, generally don't offer enough over-voltage protection, and ICs, with their unnecessary ‘bells-and-whistles' features, are more costly." "In contrast, our new PolyZen CE series hits the sweet spot of value-to-performance by offering a single placement, cost-effective approach that provides reliable, robust over-voltage and over-current protection for a wide variety of portable electronics applications." ??The PolyZen CE series includes six devices with various current ratings to accommodate a wide range of applications. These include:
- Tablet PCs and Ultrabooks
- GPS and navigation systems
- HDDs (Hard disk drives)
- SSDs (Solid-state drives)
- Cigarette-lighter adapter chargers
- Cell-phone charger ports and USB power
- Portable-media players and set-top boxes
- Automotive infotainment power
- DC power port
- Industrial handheld POS (point-of-sale) products
