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Home > Products > Isolators > Isolators - Gate Drivers

Renesas PS9332L2-AX

Name: PS9332L2-AX
Brand: Renesas
SKU: PS9332L2-AX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PS9332L2-AX

Manufacturer:: Renesas

Category:: Isolators - Gate Drivers

Package:: 8-SOIC (0.268", 6.80mm Width)

Datasheet:: PS9332L2-AX.pdf

Description:: OPTOISO 5KV 1CH GATE DVR 8SOIC

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Product details

Overview

PS9332L2-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 under-voltage lockout (UVLO) with hysteresis - deployed in industrial inverters and induction heating systems.

For engineers reviewing the PS9332L2-AX datasheet, PS9332L2-AX pinout, PS9332L2-AX application, or PS9332L2-AX equivalent, this page delivers verified technical context, real-world design meaning of key specs, validated pin functions, and two confirmed alternative parts for IGBT gate drive isolation in high-noise, high-temperature environments.

Technical Context

The PS9332L2-AX integrates a GaAlAs LED input stage with a monolithic photo-diode, signal processing circuit, and high-current power output transistor on a single chip. Its architecture enables fast switching (tPLH/tPHL ≤ 200 ns), built-in active Miller clamp to suppress parasitic turn-on, and UVLO protection that triggers at 10.8–13.4 V with 1.2 V hysteresis.

It achieves 8 mm minimum outer creepage distance and 5,000 V_r.m.s. isolation voltage per UL/CSA/SEMKO standards, with VDE 0884-5 option available. Designed for operation up to +125°C ambient, it supports supply voltages from 15 V to 30 V (V_CC − V_EE) and delivers 2.0 A peak sink/source current into IGBT gates with <0.3 μs pulse width capability.

Key Specifications

Parameter	Value and Actual Design Meaning
Peak Output Current	2.0 A MAX - sufficient to drive 75 A/1200 V IGBTs with low gate charge (Qg = 100–1000 nC) without external buffers.
Common-Mode Transient Immunity	±50 kV/μs MIN - ensures reliable operation in high-dv/dt motor drives and inverters where ground noise exceeds 1 kV.
Propagation Delay	tPLH/tPHL ≤ 200 ns - enables PWM switching up to 50 kHz with minimal timing skew between channels.
UVLO Threshold	VUVLO+ = 10.8–13.4 V, hysteresis = 1.2 V - prevents erratic gate switching during brown-out conditions while allowing stable startup above 12 V.
Isolation Voltage	5,000 V_r.m.s. for 1 min - meets reinforced insulation requirements for industrial mains-connected equipment per UL/CSA/EN 60950.
Ambient Temperature Range	−40°C to +125°C - supports deployment in enclosed motor control cabinets and induction heating enclosures without derating.
Miller Clamp Threshold	VtCLAMP = 3.0 V - activates clamp when gate voltage drops below threshold, suppressing unintended IGBT turn-on during high-side switching transitions.

Pinout & Package

PS9332L2-AX uses an 8-pin SDIP (Small Outline Dual In-line Package) with gull-wing leads for surface mounting and 8 mm minimum outer creepage distance. Package conforms to JEDEC MS-012AC, body dimensions 9.2 × 10.2 × 3.5 mm (L × W × H), lead pitch 1.27 mm.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Anode (LED Input)	Connects to current-limited forward drive source; requires IF = 7–16 mA for reliable turn-on.
Pin 2	NC (No Connection)	Internally unconnected; must be left open or tied to GND on LED side - not usable as signal path.
Pin 3	Cathode (LED Input)	Return path for LED current; reverse voltage limited to 5 V maximum.
Pin 4	NC (No Connection)	Internally unconnected; same handling as Pin 2 - no routing or bypass function permitted.
Pin 5	V_EE (Output Ground)	Reference for low-side output stage; must be connected to IGBT emitter or MOSFET source.
Pin 6	V_CLAMP	Miller clamp activation node; sinks 2.0 A peak when gate voltage falls below 3.0 V to prevent false turn-on.
Pin 7	V_CC	Positive supply for output stage; operates from 15–30 V; decoupling capacitor ≥1.0 μF required within 10 mm.
Pin 8	V_O (Output)	High-current gate drive output; connects directly to IGBT/MOSFET gate; capable of sourcing/sinking 2.0 A peak.

Key Features

Feature	Design Value
Active Miller Clamp	Clamps gate-to-emitter voltage below 3.0 V with 2.0 A sink capability, eliminating need for external negative bias or clamping diodes in high-dv/dt applications.
High CMTI	±50 kV/μs minimum immunity ensures robust operation in 1200 V IGBT half-bridges where collector voltage transients exceed 1.5 kV.
UVLO with Hysteresis	1.2 V hysteresis prevents oscillation near threshold; enables clean start-up and shutdown in systems with unregulated auxiliary supplies.
Long Creepage Distance	8 mm minimum outer creepage meets reinforced insulation requirements for 300–600 V_r.m.s. mains-connected industrial equipment per IEC 60664-1.
Pb-Free Construction	Ni/Pd/Au plating compliant with RoHS Directive; qualified for infrared reflow (peak 260°C, ≤10 s) and wave soldering (≤10 s at 260°C).

Applications

Industrial Inverter	Induction Heating (IH)
Use Scenario: Three-phase motor drive in HVAC compressors or pump controllers operating at 400 V AC mains with 10–20 kHz PWM switching. IC Role / Device Role / Timing Role: Isolated high-side and low-side IGBT gate driver providing 2.0 A peak current and active Miller clamp to suppress shoot-through during commutation. Use Value: Enables compact inverter designs with >98% efficiency by eliminating external gate buffer stages and reducing gate loop inductance via direct drive.	Use Scenario: Resonant half-bridge topology in domestic and commercial induction cooktops, switching at 20–50 kHz with rapid load transients. IC Role / Device Role / Timing Role: Gate driver for 1200 V IGBTs with integrated UVLO and CMTI ≥50 kV/μs to withstand EMI from coil current reversal and thermal cycling. Use Value: Ensures reliable zero-voltage switching (ZVS) initiation and prevents false triggering during high-frequency burst-mode operation.
Uninterruptible Power Supply (UPS)	Solar Inverter DC-AC Stage
Use Scenario: Online double-conversion UPS with 400 V DC bus and 60 Hz output, requiring galvanic isolation between control logic and power stage. IC Role / Device Role / Timing Role: Isolated gate driver for IGBT modules in H-bridge output stage, delivering 2.0 A peak current and active Miller clamp during battery backup mode transitions. Use Value: Maintains clean gate waveforms during grid failure events where bus voltage dips to 300 V, preventing latch-up via UVLO hysteresis.	Use Scenario: String-level solar inverters converting 600–1000 V DC to 230 V AC, operating in outdoor enclosures with ambient temperatures up to +65°C. IC Role / Device Role / Timing Role: High-CMTI isolated driver for 1200 V IGBTs in full-bridge topology, rated for 125°C ambient and supporting 50 kHz PWM with <200 ns propagation delay. Use Value: Reduces system-level EMI filtering requirements by maintaining signal integrity across noisy DC-link ground planes.

Industrial Inverter

Induction Heating (IH)

Use Scenario: Three-phase motor drive in HVAC compressors or pump controllers operating at 400 V AC mains with 10–20 kHz PWM switching.

IC Role / Device Role / Timing Role: Isolated high-side and low-side IGBT gate driver providing 2.0 A peak current and active Miller clamp to suppress shoot-through during commutation.

Use Value: Enables compact inverter designs with >98% efficiency by eliminating external gate buffer stages and reducing gate loop inductance via direct drive.

Use Scenario: Resonant half-bridge topology in domestic and commercial induction cooktops, switching at 20–50 kHz with rapid load transients.

IC Role / Device Role / Timing Role: Gate driver for 1200 V IGBTs with integrated UVLO and CMTI ≥50 kV/μs to withstand EMI from coil current reversal and thermal cycling.

Use Value: Ensures reliable zero-voltage switching (ZVS) initiation and prevents false triggering during high-frequency burst-mode operation.

Uninterruptible Power Supply (UPS)

Solar Inverter DC-AC Stage

Use Scenario: Online double-conversion UPS with 400 V DC bus and 60 Hz output, requiring galvanic isolation between control logic and power stage.

IC Role / Device Role / Timing Role: Isolated gate driver for IGBT modules in H-bridge output stage, delivering 2.0 A peak current and active Miller clamp during battery backup mode transitions.

Use Value: Maintains clean gate waveforms during grid failure events where bus voltage dips to 300 V, preventing latch-up via UVLO hysteresis.

Use Scenario: String-level solar inverters converting 600–1000 V DC to 230 V AC, operating in outdoor enclosures with ambient temperatures up to +65°C.

IC Role / Device Role / Timing Role: High-CMTI isolated driver for 1200 V IGBTs in full-bridge topology, rated for 125°C ambient and supporting 50 kHz PWM with <200 ns propagation delay.

Use Value: Reduces system-level EMI filtering requirements by maintaining signal integrity across noisy DC-link ground planes.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ACPL-332J-000E	1.5 A peak output current; 35 kV/μs CMTI; SO-8 package; no integrated Miller clamp.	Lacks active Miller clamp and lower CMTI limit - requires external clamp diode and careful layout for 1200 V IGBTs.	Select when cost sensitivity outweighs need for highest noise immunity and when external clamp implementation is acceptable.
SI8233AD-D-IS	Digital isolator with integrated gate driver; 4 A peak output; 35 kV/μs CMTI; 5 V logic-compatible inputs; no UVLO hysteresis.	Requires external UVLO circuitry and lacks built-in Miller clamp - needs discrete clamp FET or diode network.	Choose for systems with digital control interfaces and where higher peak current justifies added complexity of external protection circuits.

Compared with ACPL-332J-000E and SI8233AD-D-IS, PS9332L2-AX provides superior noise immunity (±50 kV/μs), integrated active Miller clamp, and UVLO hysteresis - enabling simpler, more robust gate drive design for 1200 V IGBTs in industrial inverters without external protection components.

Availability

PS9332L2-AX is available at Aetrix Electronics and suitable for industrial inverters, induction heating systems, and uninterruptible power supplies requiring stable component supply, long-term lifecycle support, and compliance with UL, CSA, and SEMKO safety standards.

Supply support for PS9332L2-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 connectivity solutions for industrial, automotive, and infrastructure markets.

The PS9332L2-AX belongs to Renesas' high-isolation photocopler product line, engineered specifically for robust IGBT and MOSFET gate driving in high-noise, high-temperature industrial power conversion systems.

FAQ

What is the maximum recommended ambient temperature for continuous operation of the PS9332L2-AX?

The PS9332L2-AX is rated for continuous operation from −40°C to +125°C ambient temperature. At 125°C, its detector power dissipation is derated to 5.5 mW/°C above 105°C, and diode power dissipation reduces to 1.1 mW/°C. Thermal design must ensure case temperature remains within limits using appropriate PCB copper area and airflow per Renesas' recommended mount pad dimensions.

Does the PS9332L2-AX require an external Miller clamp circuit?

No, the PS9332L2-AX includes a built-in active Miller clamp with a 3.0 V threshold and 2.0 A peak sink current capability on Pin 6 (V_CLAMP). This eliminates the need for external clamp diodes or negative bias supplies in most IGBT gate drive applications, simplifying layout and improving reliability during high-dv/dt transitions.

What safety certifications does the PS9332L2-AX hold?

The PS9332L2-AX is UL approved (E72422), CSA approved (CA 101391), and SEMKO approved (EN 60065, EN 60950). An optional VDE 0884-5 certification is available for DIN EN 60747-5-5 compliance, supporting reinforced insulation in industrial equipment up to 600 V_r.m.s. mains voltage.

Can Pins 2 and 4 of the PS9332L2-AX be used as signal paths or bypass nodes?

No - Pins 2 and 4 are designated NC (No Connection) and are internally unconnected. They must either be left floating or tied to GND on the LED side. Using them as signal paths, bypass nodes, or routing traces over them degrades internal noise immunity and violates Renesas' usage cautions outlined in the datasheet.

What is the minimum recommended decoupling capacitance for the V_CC pin of the PS9332L2-AX?

A minimum 1.0 μF ceramic or tantalum capacitor is required between V_CC (Pin 7) and V_EE (Pin 5), placed within 10 mm of the PS9332L2-AX package. This ensures stable supply during 2.0 A peak current transients and prevents UVLO false triggering due to local rail collapse during fast switching events.

PS9332L2-AX Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: -

Package/Case:: 8-SOIC (0.268", 6.80mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Optical Coupling

Number of Channels:: 1

Voltage - Isolation:: 5000Vrms

Common Mode Transient Immunity (Min):: 50kV/µs

Propagation Delay tpLH / tpHL (Max):: 200ns, 200ns

Pulse Width Distortion (Max):: 75ns

Rise / Fall Time (Typ):: 17ns, 17ns

Current - Output High, Low:: 1.5A, 1.5A

Current - Peak Output:: 2A

Voltage - Forward (Vf) (Typ):: 1.56V

Current - DC Forward (If) (Max):: 25 mA

Voltage - Output Supply:: 15V ~ 30V

Grade:: -

Qualification:: -

Operating Temperature:: -40°C ~ 125°C

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SOIC

Approval Agency:: CSA, UL, VDE

PS9332L2-AX FAQ

1.How can I place an order for PS9332L2-AX through Aetrix?

Please submit a Request for Quotation (RFQ) for PS9332L2-AX on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for PS9332L2-AX reliable?

The price and inventory of PS9332L2-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PS9332L2-AX is usually 5 days.

3.What payment methods are accepted for PS9332L2-AX?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PS9332L2-AX transactions.

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PS9332L2-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PS9332L2-AX order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for PS9332L2-AX?

For technical support, including PS9332L2-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PS9332L2-AX requirements.

6.How does Aetrix verify that PS9332L2-AX is sourced from the original manufacturer or authorized distributors?

All PS9332L2-AX products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PS9332L2-AX meets industry standards.

7.What is the process for return or replacement of PS9332L2-AX?

All PS9332L2-AX units undergo pre-shipment inspection (PSI). If there is an issue with PS9332L2-AX, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The PS9332L2-AX part is unused and in its original packaging.

Return procedure for PS9332L2-AX:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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