Antenna Info

FCC ID: L2C0066T

Operational Description

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FCCID_3607344

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Power Transmitter design A32 includes one Primary Coil as defined in Section 2.1.1.1, Shielding as defined in Section 2.1.1.2, and an Interface Surface as defined in Section 2.1.1.3. 2.1.1.1 Primary Coil The Primary Coil consists of at least one PCB coil. Figure 2-2 shows a view of a single Primary Coil. Table 2-1 lists the dimensions of the Primary Coil. Figure 2-2: Primary Coil of Power Transmitter design A32 Table 2-1: Primary Coil parameters of Power Transmitter design A32 Parameter Symbol Value Outer length 𝑑𝑑o1 53.4±0.7 mm Inner length 𝑑𝑑i1 27.5±0.7 mm Outer width 𝑑𝑑o2 45.8±0.7 mm Inner width 𝑑𝑑i2 19.5±075 mm 4- layer PCB Track width 𝑑𝑑w 0.82±0.2 mm Track width plus spacing 𝑑𝑑w+𝑑𝑑s 1.08±0.2 mm Corner rounding* 𝑟𝑟i 16.7±1.0 mm Number of turns 𝑁𝑁 12±0.25 5…8 layer PCB Track width 𝑑𝑑w 0.55±0.15 mm Track width plus spacing 𝑑𝑑w+𝑑𝑑s 1.1±0.15 mm Corner rounding* 𝑟𝑟i 13.1±1.31 mm Number of turns 𝑁𝑁 12±0.25 *outermost winding only Power Transmitter design A32 contains at least one Primary Coil. Odd numbered coils are placed alongside each other with a displacement of 𝑑𝑑h2 between their centers. Even numbered coils are placed 6 © Wireless Power Consortium, June 2017

orthogonal to the odd numbered coils with a displacement of 𝑑𝑑h1 mm between their centers. See Figure 2-3 Figure 2-3: Primary Coils of Power Transmitter design A32 Figure 2-4: Primary Coils of Power Transmitter design A32 © Wireless Power Consortium, June 2017 7

Table 2-2: Primary Coil parameters of Power Transmitter design A32 Parameter Symbol Value 4- layer PCB Center-to-center distance 𝑑𝑑h1 23.8±1.0 mm Center-to-center distance 𝑑𝑑h2 47.52±2.0 mm PCB copper thickness 𝑑𝑑Cu 0.105±0.015 mm Dielectric thickness 𝑑𝑑d 0.375±0.063 mm 5…8 layer PCB Center-to-center distance 𝑑𝑑h1 23.76±1.5 mm Center-to-center distance 𝑑𝑑h2 47.52±3.0 mm PCB copper thickness 𝑑𝑑Cu 0.105±0.0161 mm Dielectric thickness 𝑑𝑑d 0.125±0.0254 mm 2.1.1.2 Shielding As shown in Figure 2-5: Primary Coil assembly of Power Transmitter design A32 soft-magnetic material protects the Base Station from the magnetic field that is generated in the Primary Coil. The Shielding extends to at least the outer dimensions of the Primary Coils, has a thickness of at least 0.5 mm, and is placed below the Primary Coil at a distance of at most 𝑑𝑑s = 1.0 mm. The version 1.2.0 Addendum A32 to the System Description Wireless Power Transfer, Volume I, Part 1, limits the composition of the Shielding to a choice from the following list of materials: • Ni-Mn-Ferrite Core – any supplier • Mn-Zn-Ferrite Core – any supplier • Ni-Zn- Ferrite Core – any supplier Figure 2-5: Primary Coil assembly of Power Transmitter design A32 8 © Wireless Power Consortium, June 2017


Document Created: 2017-10-04 13:28:27
Document Modified: 2017-10-04 13:28:27
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