Diodes Incorporated PI3WVR648GEAEX

Overview

PI3WVR648GEAEX from Diodes Incorporated is a 10-channel, 2:1 MIPI D-PHY/C-PHY 4-data-lane switch with SPDT architecture, supporting up to 4.5 Gb/s D-PHY and 3.5 Gsps C-PHY data rates, 6.0 GHz typical bandwidth, and 1.5 V to 5 V VDD operation. It enables dynamic routing of CSI/DSI camera and display signals in mobile platforms.

For engineers reviewing the PI3WVR648GEAEX datasheet, PI3WVR648GEAEX pinout, PI3WVR648GEAEX application, or PI3WVR648GEAEX equivalent, key selection criteria include D-PHY/C-PHY co-support, ultra-low skew (2 ps typical), sub-1 μA ICCZ, WLCSP-36 package compatibility, and dual HS/LP mode switching capability.

Technical Context

The PI3WVR648GEAEX implements five independent 2:1 differential SPDT switches - four for MIPI data lanes (D1–D4) and one for clock (CLK) - each with matched trace routing and controlled impedance paths. Its logic-controlled SEL/OE inputs enable seamless handover between two MIPI sources without signal interruption.

It operates across 1.5 V–5 V supply range while maintaining <2 ps skew between complementary transitions on the same output, and supports both high-speed burst mode and low-power escape mode signaling per MIPI D-PHY v2.5 and C-PHY v1.2 specifications.

Key Specifications

Pinout & Package

Package: 36-ball WLCSP (U-WLB2424-36), 2.44 mm × 2.44 mm, 0.4 mm pitch, bottom-side solder balls.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar MIPI 4-lane switching applications.

Compared with NB7VPQ904M and TS3USB30E, PI3WVR648GEAEX uniquely delivers C-PHY/D-PHY co-support, 5-lane routing (including dedicated clock), and 1.5 V–5 V flexibility - making it the only option for next-gen mobile vision systems requiring protocol agility and minimal power overhead.

Availability

PI3WVR648GEAEX is available at Aetrix Electronics and suitable for smartphone dual-camera switching, tablet display multiplexing, laptop embedded camera hubs, and automotive in-cabin vision systems requiring stable component supply and MIPI protocol compliance.

Supply support for PI3WVR648GEAEX includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and integrated circuits, specializing in high-performance signal integrity, power management, and interface solutions for consumer, industrial, and automotive markets.

The PI3WVR648 belongs to Diodes' high-speed MIPI switch product line, engineered specifically to address signal routing challenges in multi-camera and multi-display mobile architectures with minimal latency and maximal protocol fidelity.

FAQ

Does PI3WVR648GEAEX support both D-PHY and C-PHY simultaneously on the same channel?

No - the device does not perform protocol conversion. However, its electrical characteristics (6 GHz bandwidth, 0–1.3 V input range, low skew) meet the physical layer requirements of both D-PHY v2.5 and C-PHY v1.2, allowing system-level software to configure the connected SoC and sensor for either protocol without hardware change.

What is the function of the OE pin during power-up sequencing?

The OE (Output Enable) pin must be held low until VDD stabilizes and all control logic is initialized. With OE low, all outputs remain in high-impedance state, preventing bus contention or false switching during power ramp. OE can then be asserted high to enable normal operation after system reset completes.

Can PI3WVR648GEAEX be used in a 3-lane MIPI configuration without modification?

Yes - unused lanes (e.g., D4+/D4− and associated outputs) may be left unconnected without affecting performance of active lanes. The internal switch cells operate independently, and no configuration register or external resistor is needed to disable lanes. Signal integrity remains unaffected due to isolated channel architecture.

Is the WLCSP-36 package suitable for reflow soldering in standard SMT lines?

Yes - the U-WLB2424-36 package is qualified for IPC/JEDEC J-STD-020 moisture sensitivity level 1 (MSL-1) and withstands peak reflow temperatures up to 260 °C. Standard stencil design (0.12 mm thickness, 0.3 mm aperture) and nitrogen-assisted convection reflow profiles achieve >95% solder joint yield in volume production.