Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

Mingjiada Electronics offers genuine, in-stock supply of the Marvell 88Q5050-B0-LKJ2A000 automotive-grade Ethernet switch chip.  

1. Product Overview

The 88Q5050-B0-LKJ2A000 is a Marvell-developed automotive-grade 8-port Ethernet switch chip that has obtained AEC-Q100 Grade 2 certification, enabling stable operation within an environmental temperature range of -40 °C to +105 °C. The device is packaged in an 11 mm × 11 mm 196-ball BGA package, enabling a single chip to support either 8×100/1000BASE-T1 ports or a hybrid configuration of 7×100/1000BASE-T1 + 1×1000BASE-T/TX ports, with a maximum switching capacity of 8 Gbps. It is specifically designed for in-vehicle network nodes such as domain controllers, ADAS systems, and gateways.

2. Key Features

• Automotive compliance: Compliant with AEC-Q100 Grade 2 and ISO 26262 ASIL-B functional safety documentation support

• Port flexibility: 8×100/1000BASE-T1 + 1×SGMII/RGMII CPU uplink port

• Low latency: Store-and-forward latency < 5 µs, suitable for real-time video/radar data stream transmission in automotive applications

• Security Mechanisms: MACsec 128-bit AES encryption, 802.1AE & 802.1X authentication, DoS attack prevention

• QoS & TSN: 8-level hardware queues, 802.1Qav/802.1Qbv time-sensitive networking

• Diagnostic Features: Cable Diagnostic, LinkMD®, TDR fault location

• Packaging and Power Consumption: 196-ball BGA, 11 mm × 11 mm, typical power consumption < 2 W

• Companion PHY: Seamless cascading with Marvell 88Q2110/88Q2112 1000BASE-T1 PHY

3. Typical Application Scenarios

• In-vehicle Central Gateway: Aggregates gigabit T1 data from cameras, radars, lidars, laser projectors, etc.

• ADAS Domain Controller: Multi-camera surround view and millimetre-wave radar fusion network

• Smart Cockpit: IVI, HUD, digital instrument cluster, rear-seat entertainment gigabit backbone network

• Battery Management System (BMS): Distributed daisy-chain high-reliability communication

• Industrial Vehicle-Grade Gateway: Ethernet backbone for harsh environments such as mining trucks, agricultural machinery, and forklifts

4. Mingjiada's Inventory Advantages

• Genuine Products: Marvell original factory discs, batch 22+, ample inventory

• Inventory Scale: In-stock in Shenzhen and Hong Kong, samples can be shipped on the same day

• Price Tiering: 1-99 pcs, 100-999 pcs, 1k+ batches are all 5-10% below market price

For product quotes, please contact the Mingjiada sales team:  

Phone: +86 13410018555  

Email: sales@hkmjd.com  

Website: www.hkmjd.com