Renesas PS9306L2-AX

Overview

PS9306L2-AX from Renesas Electronics is a 6-pin SDIP surface-mount photocopler optimized for IGBT and power MOSFET gate driving in high-noise industrial inverters and induction heating systems. It delivers 0.6 A peak output current, achieves ≤0.4 μs propagation delay (tPLH/tPHL), and sustains ±25 kV/μs common-mode transient immunity with 8 mm minimum creepage distance.

For engineers reviewing the PS9306L2-AX datasheet, PS9306L2-AX pinout, PS9306L2-AX application, or PS9306L2-AX equivalent, key selection criteria include its gull-wing lead form factor, VDE/UL/CSA safety approvals, 30 V max supply range, and verified performance under −40°C to +110°C operating conditions.

Technical Context

The PS9306L2-AX integrates a GaAlAs LED input stage with a monolithic photo-diode, signal processing circuit, and power output transistor on a single die. Its architecture enables direct gate drive of high-voltage IGBTs without external amplification while maintaining galvanic isolation.

Designed for high-speed switching in motor drives and power converters, it operates across 10–30 V supply (VCC−VEE), supports 50 kHz maximum frequency, and features dual-level output current capability (0.4 A min / 0.6 A max) with fast rise/fall times (≤50 ns).

Key Specifications

Pinout & Package

The PS9306L2-AX uses a 6-pin Shrink Dual In-line Package (SDIP) with gull-wing surface-mount leads and 8 mm minimum creepage distance. Package dimensions: 11.5±0.3 mm × 6.8±0.25 mm × 4.58±0.3 mm height, 1.27 mm lead pitch.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar IGBT gate driver applications.

Compared with TLP350(D,F) and ACPL-332J, the PS9306L2-AX uniquely combines 8 mm creepage, VDE0884-2 option, and LED-input compatibility-making it the only drop-in replacement for legacy designs requiring reinforced insulation and analog drive flexibility in high-power industrial inverters.

Availability

PS9306L2-AX is available at Aetrix Electronics and suitable for industrial inverters, induction heating systems, and IGBT-based motor drives requiring stable component supply across extended temperature ranges and safety-certified isolation.

Supply support for PS9306L2-AX 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

Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, power, and mixed-signal solutions for automotive, industrial, and infrastructure markets.

The PS9306L2-AX belongs to Renesas' high-CMR photocopler product line, engineered specifically for robust gate driving in high-noise power conversion systems such as variable-frequency drives and induction heating appliances.

FAQ

What is the maximum recommended forward current for the PS9306L2-AX LED input?

The PS9306L2-AX LED input has an absolute maximum forward current of 25 mA, but the recommended operating condition is 8–12 mA. Operating at 12 mA ensures reliable switching while staying within thermal limits and maintaining long-term LED reliability. Exceeding 12 mA continuously may accelerate LED degradation and reduce isolation lifetime. The PS9306L2-AX datasheet specifies IF(ON) = 8–12 mA as the optimal range for guaranteed performance across −40°C to +110°C.

Does the PS9306L2-AX support both high-side and low-side IGBT gate driving configurations?

Yes, the PS9306L2-AX supports both configurations via its open-collector VO output and separate VCC/VEE pins. When VEE is grounded and VCC is referenced to the IGBT emitter, it functions as a low-side driver. For high-side use, VEE is tied to the IGBT emitter potential and VCC to the floating rail-enabling direct drive without bootstrap components. The PS9306L2-AX's 30 V VCC−VEE rating and 0.6 A peak output make it suitable for either topology in 600 V-class systems.

What safety certifications does the PS9306L2-AX hold, and are they mandatory for industrial use?

The PS9306L2-AX holds UL E72422, CSA CA101391, and SEMKO 1115598 approvals as standard, with optional DIN EN60747-5-2 (VDE0884-2) certification. These are mandatory for CE marking in EU industrial equipment and required by most North American safety agencies for Class 1 and Class 2 power systems. The PS9306L2-AX's 5000 V_r.m.s. isolation voltage and 8 mm creepage satisfy IEC 61800-5-1 for adjustable speed drives, making certification essential for market access.

Can Pin 2 (NC) on the PS9306L2-AX be used as a ground connection or left floating?

Pin 2 is a true NC (non-connected) terminal with no internal bond wire. It may be left unconnected or tied to the input-side GND (cathode side) for mechanical stability-but must never be connected to output-side potentials or used as a signal path. Using Pin 2 as a ground return for output circuits risks degrading noise immunity and violating isolation barriers. The PS9306L2-AX datasheet explicitly prohibits routing signals through Pin 2, as doing so compromises internal noise margins and long-term reliability.

How does the PS9306L2-AX handle common-mode transients during IGBT switching?

The PS9306L2-AX achieves ±25 kV/μs minimum common-mode transient immunity (CMTI) at both high- and low-level outputs, measured per IEC 60747-5-2 test methods. This is enabled by internal shielding, optimized die layout, and differential detection circuitry that rejects fast dv/dt noise coupling between input and output sides. During IGBT switching events, the PS9306L2-AX maintains VO state integrity even under 1.5 kV step transients-ensuring no false triggering occurs. This performance is validated across the full −40°C to +110°C range and is integral to the PS9306L2-AX's suitability for high-power inverter applications.