Renesas PS9332L2-V-AX

Overview

PS9332L2-V-AX from Renesas Electronics is an 8-pin SDIP surface-mount photocopler optimized for IGBT and power MOSFET gate driving, featuring 2.0 A peak output current, ±50 kV/μs common-mode transient immunity (CMTI), active Miller clamp, and UVLO with hysteresis - deployed in industrial inverters and induction heating systems.

For engineers reviewing the PS9332L2-V-AX datasheet, PS9332L2-V-AX pinout, PS9332L2-V-AX application, or PS9332L2-V-AX equivalent, key selection criteria include guaranteed 2.0 A peak sink/source capability, 200 ns max propagation delay, 8 mm minimum outer creepage distance, VDE 0884-5 option compliance, and operation up to +125°C ambient.

Technical Context

This optocoupler integrates a GaAlAs LED input stage with a monolithic photo-diode, signal processing circuit, and high-current power output transistor on a single die. Its architecture delivers galvanic isolation with reinforced insulation, enabling safe control of high-voltage IGBTs in noisy industrial environments.

The device implements active Miller clamp via dedicated CLAMP pin (Pin 7) with 3.0 V threshold voltage and supports UVLO protection across 9.5–13.4 V hysteresis window. It operates with 15–30 V supply range and maintains stable switching performance under ±50 kV/μs common-mode transients at both high- and low-level outputs.

Key Specifications

Pinout & Package

PS9332L2-V-AX uses an 8-pin SDIP (Small Outline Dual In-line Package) with gull-wing leads for surface mounting and long creepage distance. Package dimensions conform to Renesas standard SDIP outline with 10.2 mm body width, 7.5 mm height, and 2.54 mm lead pitch.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ACPL-332J-000E and SI8233AD-D-IS, PS9332L2-V-AX uniquely combines VDE-certified 8 mm creepage, integrated active Miller clamp, and guaranteed 2.0 A drive within a single SDIP package - making it optimal for safety-critical industrial inverters where layout space, certification burden, and reliability under high dv/dt are primary constraints.

Availability

PS9332L2-V-AX is available at Aetrix Electronics and suitable for industrial inverters, induction heating systems, and solar PV inverters requiring stable component supply, long-term lifecycle support, and certified reinforced isolation.

Supply support for PS9332L2-V-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 delivering microcontrollers, analog, power, and connectivity solutions for automotive, industrial, and IoT applications.

The PS9332L2 product line targets high-reliability gate driving in harsh industrial environments, emphasizing high CMTI, active Miller clamping, and safety-certified isolation for IGBT and SiC MOSFET control.

FAQ

What is the maximum allowable forward current for PS9332L2-V-AX?

The absolute maximum forward current for PS9332L2-V-AX is 25 mA, but the recommended operating condition specifies 7–16 mA to ensure reliable LED lifetime and consistent CTR across temperature. Exceeding 16 mA continuously may accelerate LED degradation, especially above 105°C ambient. The PS9332L2-V-AX datasheet defines 10 mA as the standard test condition for electrical characteristics.

Does PS9332L2-V-AX support both high-side and low-side IGBT gate driving?

Yes, PS9332L2-V-AX supports both configurations: its output stage is a totem-pole driver referenced to V_EE (Pin 5), allowing direct connection to either IGBT gate-emitter terminals. When used in high-side configuration, V_EE ties to the IGBT emitter (floating), while V_CC (Pin 6) supplies the gate drive voltage relative to that node. The PS9332L2-V-AX design inherently accommodates this via its isolated output supply domain.

How does the active Miller clamp function in PS9332L2-V-AX?

The PS9332L2-V-AX implements active Miller clamp through Pin 7 (V_CLAMP). When voltage at this pin exceeds 3.0 V, the internal clamp transistor activates and sinks up to 2.0 A to V_EE, forcibly discharging the IGBT gate during high dv/dt transitions. This prevents parasitic turn-on caused by Miller capacitance coupling - a critical feature verified in PS9332L2-V-AX test circuits with 1.5 kV common-mode steps.

What safety certifications apply to PS9332L2-V-AX?

PS9332L2-V-AX is UL approved (E72422), CSA approved (CA 101391), and SEMKO approved (EN 60065, EN 60950). An optional VDE 0884-5 certification (DIN EN 60747-5-5) is available for versions ordered with the "-V" suffix, confirming reinforced insulation with 1130 V_peak rated working voltage and partial discharge testing at 2119 V_peak.

Can PS9332L2-V-AX operate at 125°C ambient temperature continuously?

Yes, PS9332L2-V-AX is rated for continuous operation from −40°C to +125°C ambient temperature. Derating curves in the datasheet confirm detector power dissipation remains within 250 mW limit at 125°C, and output current specifications (1.5 A min IOH/IOL) are guaranteed across this full range. Thermal design must ensure PCB copper area and airflow meet Renesas' recommended pad layout on Page 14.