STMicroelectronics SPV1001N30

Overview

SPV1001N30 from STMicroelectronics is a smart bypass switch for photovoltaic panel strings, replacing Schottky diodes with active MOSFET-based rectification. It delivers 12.5 A forward current, 30 V reverse blocking, 120 mV typical average forward voltage at 10 A/25°C, <1 µA reverse leakage at 30 V/25°C, and operates up to 150 °C junction temperature - enabling cooler, more efficient hot-spot protection in solar modules.

For engineers reviewing the SPV1001N30 datasheet, SPV1001N30 pinout, SPV1001N30 application, or SPV1001N30 equivalent, this device offers verified low-loss bypass functionality with documented thermal resistance (4 °C/W), duty-cycle-controlled conduction (95% T_ON/T at 5 A/25°C), and PQFN 5 × 6 mm package compatibility for high-reliability PV string designs.

Technical Context

The SPV1001N30 implements an autonomous self-powered gate-drive architecture: during OFF time, an internal capacitor charges from the string current; during ON time, that stored charge drives the MOSFET gate to achieve ultra-low conduction loss. No external supply or control signal is required.

Its operation relies on adaptive timing - T_ON/T ratio drops from 95% at 25°C to 75% at 125°C - maintaining low average forward voltage (120 mV typ. @10 A/25°C) while limiting reverse leakage (<10 µA @30 V/125°C) and ensuring stable thermal behavior up to 150 °C junction temperature.

Key Specifications

Pinout & Package

PQFN 5 × 6 mm package with exposed thermal pad (ECOPACK® compliant); surface-mount, leadless design optimized for automated assembly and thermal performance in outdoor PV environments.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar photovoltaic bypass switch applications.

Compared with SI7850DP-T1-GE3 and DSSK30-0025, SPV1001N30 uniquely integrates timing, gate drive, and energy harvesting - delivering lowest system-level power loss, smallest footprint, and highest reliability in unattended PV deployments without increasing design effort.

Availability

SPV1001N30 is available at Aetrix Electronics and suitable for residential solar inverters, commercial PV monitoring systems, and off-grid telecom power supplies requiring stable component supply across multi-year production cycles.

Supply support for SPV1001N30 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing silicon solutions for automotive, industrial, and power management applications.

The SPV1001N belongs to ST's photovoltaic system IC portfolio, engineered specifically to replace passive bypass diodes with intelligent, self-powered switches that reduce thermal stress and improve energy harvest in real-world shading conditions.

FAQ

What is the recommended PCB layout for thermal performance?

Use ≥5 cm² of 35 µm copper connected to the exposed thermal pad on the bottom side of the PQFN package. Thermal vias (≥8 × 0.3 mm) should connect the pad to inner-layer ground planes. Avoid solder mask over the pad to ensure optimal thermal transfer and maintain RthJC ≤ 4 °C/W.

Does SPV1001N30 require external gate drive components?

No. The device incorporates an internal charge-pump circuit that harvests energy from the PV string current during OFF time to autonomously drive the MOSFET gate during ON time. No external capacitors, drivers, or bias supplies are needed - it operates as a true 2-terminal drop-in solution.

How does SPV1001N30 behave under partial shading at high ambient temperature?

At 125 °C junction temperature, its T_ON/T ratio reduces to 75%, and VF,AVG rises to 240 mV @5 A, while reverse leakage remains ≤10 µA @30 V. This adaptive response maintains safe power dissipation and avoids thermal runaway, unlike fixed-duty Schottky diodes whose leakage increases exponentially with temperature.

Can SPV1001N30 be used in 40 V PV string configurations?

No. SPV1001N30 is rated for 30 V DC reverse voltage. For 40 V systems, use SPV1001N40 - identical architecture and package but qualified to 40 V VR. Substituting SPV1001N30 in 40 V strings risks avalanche breakdown and irreversible damage during shading events.