# EFR32ZG23B020F512IM48-B (Component) ## Description IC RF TxRx + MCU General ISM < 1GHz Z-Wave® 863MHz ~ 870MHz, 902MHz ~ 928MHz 48-VFQFN Exposed Pad The Silicon Labs EFR32ZG23B020F512IM48-B is a 2.4 GHz–independent (sub-GHz) RF Tx/Rx + MCU SoC optimized for Z-Wave smart home and IoT mesh networks. It integrates computing, RF communication, and security features in a compact 48-pin QFN package. It is part of the EFR32ZG23 Series 2 platform, which focuses on low-power, secure, long-range wireless connectivity for smart home, building automation, and industrial IoT devices. Key Features MCU Core & Memory ARM Cortex-M33 core (up to ~80 MHz) 512 kB Flash memory 64 kB RAM RF / Wireless Z-Wave protocol support (mesh + long-range) Frequency bands: 863–870 MHz (EU) 902–928 MHz (US) Max data rate: up to 100 kbps Output power: up to +20 dBm High sensitivity: around –110 dBm Security Secure Vault™ high-level security subsystem Hardware cryptography support Secure boot and key protection (IoT-grade security) Low Power Performance Ultra-low receive and transmit currents (single-digit mA RX, tens of mA TX) Designed for battery-powered IoT nodes Peripherals & Interfaces GPIO (up to ~31 pins depending on variant) ADC, I2C, SPI, UART, I2S, IrDA Flexible digital/analog peripheral integration Package & Electrical 48-pin QFN (6 × 6 mm) Supply voltage: 1.71 V – 3.8 V Industrial temperature range: –40°C to +125°C #CommonPartsLibrary #IntegratedCircuit #RF-transceiver #EFR32ZG23B020 ## Component Details - **Owner:** adrian95 - **Created:** 5/13/2026 - **Last Updated:** 5/13/2026 - **Visibility:** Public - **Manufacturer Part Number:** EFR32ZG23B020F512IM48-B - **Datasheet URL:** https://www.silabs.com/documents/public/data-sheets/efr32zg23-datasheet.pdf - **Manufacturer Name:** Silicon Labs - **Part Type:** Integrated Circuit - **Symbol Style:** parametric-v1 - **License:** https://creativecommons.org/licenses/by/4.0/ - **Package or Case Code:** 48-QFN ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [LCSC](https://www.lcsc.com/product-detail/C3606705.html) | $12.9638 | 25 | | [Mouser](https://www.mouser.com/ProductDetail/Silicon-Labs/EFR32ZG23B020F512IM48-B?qs=A6eO%252BMLsxmTQY0avO9varg%3D%3D) | $8.59 | 3.1K | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Silicon Labs - **MPN:** EFR32ZG23B020F512IM48-B - **Mount Type:** Wire - **Package / Case Code:** 48-QFN - **Pin Count:** 49 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 40 | DVDD | | | 41 | AVDD | | | 42 | IOVDD | | | 39 | VREGVSS | | | 37 | VREGSW | | | 38 | VREGVDD | | | 13 | RESETN | | | 36 | DECOUPLE | | | 45 | PD03 | | | 6 | PC05 | | | 29 | PA04 | | | 10 | PC09 | | | 44 | PD04 | | | 24 | PB00 | | | 2 | PC01 | | | 31 | PA06 | | | 22 | PB02 | | | 7 | PC06 | | | 26 | PA01 | | | 9 | PC08 | | | 23 | PB01 | | | 27 | PA02 | | | 48 | PD00 | | | 25 | PA00 | | | 28 | PA03 | | | 47 | PD01 | | | 46 | PD02 | | | 34 | PA09 | | | 32 | PA07 | | | 33 | PA08 | | | 30 | PA05 | | | 1 | PC00 | | | 43 | PD05 | | | 5 | PC04 | | | 3 | PC02 | | | 21 | PB03 | | | 4 | PC03 | | | 35 | PA10 | | | 8 | PC07 | | | 17 | SUBG_I0 | | | 16 | SUBG_I1 | | | 19 | SUBG_O0 | | | 18 | SUBG_O1 | | | 14 | RFVDD | | | 15 | RFVSS | | | 20 | PAVDD | | | 11 | HFXTAL_I | | | 12 | HFXTAL_O | | | 49 | VSS | | --- *Generated from [https://www.flux.ai/adrian95/efr32zg23b020f512im48-b](https://www.flux.ai/adrian95/efr32zg23b020f512im48-b)*