Automotive 15W Wireless Charging Transmitter Customer Reference Board
The P9261-3C-CRB is a turnkey 15 Watt, Qi-compliant wireless power transmitter triple coil reference kit for fast prototyping and design integration. This will enable...
The P9261 is a highly integrated, magnetic induction wireless power transmitter controller supporting the WPC Qi specifications or proprietary applications. The P9261 functions with multiple coils in a full-bridge or half bridge inverter configuration.
The P9261, which includes an industry-leading 32-bit ARM® Cortex®-M0 processor, offers a high level of programmability and extremely low standby power consumption. The transmitter generates power through the power coil, detects the presence of a wireless power receiver, decodes the communication packets from the receiver, and adjusts the transmitted power by controlling the voltage based on feedback from the receiver. The transmitter will enable the power receiver to output 15W if the bidirectional communication protocol can be established, or the power receiver will output only 5W for a standard 5W power receiver.
The transmitter detects if a foreign metal object is placed on the transmitter coil. To safeguard the device and the system under fault conditions, the P9261 includes input under-voltage, input overvoltage, output short-circuit, and over-temperature protection.
The microcontroller empowers the user to customize features such as LED patterns, foreign object detection (FOD) threshold settings, or the over-temperature threshold. The device supports the I2C serial interface protocol, which enables the user to control the basic parameters, such as operating mode, switching frequency, input current, and input voltage.
The P9261 is available in a lead-free, space-saving 7 × 7 mm, 48-QFN wettable flank RoHS-compliant package. The product is rated over the operating temperature range of -40ºC to +105ºC.
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Datasheet - Short-form | PDF 187 KB | |
Brochure | PDF 8.73 MB | |
Datasheet | PDF 2.41 MB | |
End Of Life Notice | PDF 160 KB | |
Overview | PDF 1.14 MB | |
Application Note | PDF 731 KB | |
Application Note | PDF 692 KB | |
Application Note | PDF 3.23 MB | |
White Paper | PDF 627 KB | |
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The P9261-3C-CRB is a turnkey 15 Watt, Qi-compliant wireless power transmitter triple coil reference kit for fast prototyping and design integration. This will enable...
P9261-3C-CRBv2 is a 2nd generation Automotive Customer Reference Design (P9261-3C-CRBv2 EVK) which demonstrates not only wireless charging functionality of WPC Qi 1.3...
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Charging mobile devices in vehicles can be much safer and more convenient with the Renesas wireless power transmitter designed for automotive applications.
My name is Laurence McGarry and I'm with Renesas Wireless Power Division, and I would like to introduce you to automotive in-cabin wireless charging transmitter.
The main challenge that we're trying to solve here is one of convenience. We're trying to maximize the placement convenience so that you can step inside your car, you place your smartphone or your smart device directly on the wireless charging transmitter inside the cabin and it starts to charge immediately.
Secondly, there's a real safety aspect to this, too. If you're a driver and it's a dark and rainy night, for example, and you're fiddling around with intricate connectors and wires, you may get into an accident. So the idea of the convenient safe placement on the wireless charging transmitter reduces driver distraction, increases safety.
The demo is allowing users to visualize how a wireless charger works. You can see the easy placement of the smartphone on top of the transmitter surface and the immediate charging.
The key advantage of the device, the P9261, is it's an SoC and it's dedicated to wireless charging, so it has maximum integration. It also incorporates an M0 Arm core for maximum flexibility.
The customer reference design or reference board comes as a complete turnkey solution at 15 Watts Qi compatible. It's designed with all the collateral being online to make it simple and easy for customers to copy-paste the reference design and give them a really strong start point for their automotive transmitter. It is compatible with the latest Qi EPP 15 watts and all the latest proprietary mode standards as well.
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