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The MLPF-NRG-01D3 for BlueNRG-LPS and MLPF-WB-02D3 for STM32WB integrate the complete filtering and impedance-matching network needed for best RF output power and receiver sensitivity with an external antenna. Each has 50Ω nominal impedance on the antenna side. The chip-scale package has a minuscule footprint, 0.4mm bump pitch, and a profile of only 630µm after reflow soldering. Also featuring a 2.4GHz low-pass filter, ST’s new antenna-matching ICs ease compliance with worldwide radio regulations including FCC, ETSI, and ARIB specifications.
The circuit elements are fabricated on a glass substrate leveraging ST’s integrated passive device (IPD) technology, which minimizes insertion losses and outperforms circuits built with discrete components. Integration on the same die also ensures consistent component parameters for superior end-product quality. In addition, ST’s IPDs help accelerate time to market, reduce bill-of-materials costs, and miniaturize circuit dimensions.
The BlueNRG-LP and BlueNRG-LPS SoCs and STM32WB1x and STM32WB5x contain ST’s energy-efficient 2.4GHz radio IP and come with royalty-free protocol stacks and dedicated software tools. They help developers quickly design state-of-the-art wireless products with ease, even without having extensive RF-design skills. Both provide on-chip features such as memory, peripherals, communication interfaces, power regulation, and advanced hardware security including encryption, memory protection, and Public Key Acceleration (PKA).
BlueNRG-LPx SoCs can be used in standalone or network processor applications and support Bluetooth® Low Energy 5.3 features including point-to-point and mesh communications, advertising extensions, and direction finding.
The MLPF-NRG-01D3 IPD is compatible with all variants, comprising the BLUENRG-3x5Vx, BLUENRG-3x5Ax, and BLUENRG-332xx in UFQFPN and WLCSP packages.
The STM32WB5x and STM32WB1x MCUs are Bluetooth 5.3, Zigbee® 3.0, and OpenThread certified and feature an Arm® Cortex®-M4 core for application processing with a Cortex-M0+ dedicated to managing the radio. They are available in WLCSP and UFBGA packages that connect directly to the MLPF-WB-02D3 IPD. A different IPD is available for other MCU variants in UQFN and VQFN packages.
The MLPF-NRG-01D3 and MLPF-WB-02D3 single-chip antenna-matching ICs are in production now and available from $0.14 for orders of 1000 pieces.
* STM32 is a registered and/or unregistered trademark of STMicroelectronics International NV or its affiliates in the EU and/or elsewhere. In particular, STM32 is registered in the US Patent and Trademark Office.
About STMicroelectronics
At ST 9st.com), we are more than 50,000 creators and makers of semiconductor technologies mastering the semiconductor supply chain with state-of-the-art manufacturing facilities. An integrated device manufacturer, we work with more than 200,000 customers and thousands of partners to design and build products, solutions, and ecosystems that address their challenges and opportunities, and the need to support a more sustainable world. Our technologies enable smarter mobility, more efficient power and energy management, and the wide-scale deployment of the Internet of Things and connectivity. ST is committed to becoming carbon neutral by 2027.
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