Bcm68252 - [hot]

The Broadcom BCM68252 is a highly integrated System-on-a-Chip (SoC) primarily designed for GPON Optical Network Terminal (ONT) applications. It is part of Broadcom’s fourth-generation passive optical networking (PON) processor family, optimized for cost-effective Fiber-To-The-Home (FTTH) deployments. Core Technical Features

| Feature | BCM68252 | Texas Instruments TPS562200 | Analog Devices LT8610 | Monolithic MPQ4572 | | :--- | :--- | :--- | :--- | :--- | | VIN Max | 18V | 17V | 42V | 60V | | IOUT Max | 3A | 2A | 2.5A | 2.5A | | Integrated Inductor | Yes (module) | No | No | Yes (module) | | Switching Freq | 1MHz (typ) | 650kHz | 2MHz | 2.2MHz | | Efficiency @ 12V to 3.3V | 92% | 89% | 93% | 91% | | Package Size | 3x3mm | 2.9x1.6mm | 4x5mm | 3x4mm | | Cost (1k) | $3.20 | $1.10 | $5.80 | $3.50 | bcm68252

3.1 GPON MAC Integration

The integrated GPON MAC layer handles the complexities of the Passive Optical Network protocol: Sub-$250 Wi-Fi 7 routers (TP-Link, Netgear, Asus mid-range)

Keywords: BCM68252, power management IC, DC-DC converter, buck converter, PMIC, 3A synchronous step-down, QFN package, FPGA power supply, automotive PMIC, PCB layout guide. Sub-$250 Wi-Fi 7 routers (TP-Link

architecture in the Linux and U-Boot ecosystems, often utilized in -based firmware solutions for secure gateway routers. DENX Software Engineering Common Applications You will typically find this chip inside: GPON/EPON ONUs

Broadband Connectivity: Native support for GPON (Gigabit Passive Optical Network) and sometimes EPON standards, enabling multi-gigabit fiber-to-the-home (FTTH) services.

Integrated Connectivity: Includes on-chip Gigabit Ethernet (GbE) PHYs, USB ports, and a SLAC for voice services.