Renesas RV1S9231ACCSP-10YC#KC0

Overview

RV1S9231ACCSP-10YC#KC0 from Renesas Electronics is a 5-pin SSOP photovoltaic IGBT gate driver optocoupler with 2.5 A peak output current, 175 ns max propagation delay, 50 kV/µs min common-mode transient immunity (CMTI), and 5,000 V_r.m.s. isolation voltage. It integrates an AlGaAs LED input and high-speed power MOSFET output stage on a single chip for driving high-voltage IGBTs in industrial inverters and AC servo systems.

For engineers reviewing the RV1S9231ACCSP-10YC#KC0 datasheet, RV1S9231ACCSP-10YC#KC0 pinout, RV1S9231ACCSP-10YC#KC0 application, or RV1S9231ACCSP-10YC#KC0 equivalent, this device delivers verified high-speed isolated gate drive with UVLO protection, reinforced insulation per UL1577 and CSA C22.2 No.62368-1, and operation up to +125 °C ambient temperature.

Technical Context

The RV1S9231ACCSP-10YC#KC0 implements a monolithic optically isolated gate driver architecture: an AlGaAs LED drives a photodiode coupled to signal processing circuitry and dual complementary power MOSFETs (high-side and low-side) on the output die. Its internal UVLO circuit features 12.5 V turn-on threshold with 1.3 V hysteresis, ensuring robust IGBT gate control under brownout conditions.

Designed for high-noise motor drive environments, it achieves 50 kV/µs minimum CMTI at both high-level and low-level output states, with 8.2 mm creepage and clearance in the LSSO5 package. The output stage supports ±2.5 A peak current into capacitive loads with 40 ns rise/fall times and pulse-width distortion under 75 ns.

Key Specifications

Pinout & Package

The RV1S9231ACCSP-10YC#KC0 uses the LSSO5 surface-mount package: 5-pin SSOP with 0.65 mm pitch, 10.2 mm × 7.5 mm body, 8.2 mm minimum creepage/clearance, and shielded internal construction for EMI suppression.

Key Features

Applications

Equivalent & Alternatives

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

Compared with Si8273BD-D-IS and HCPL-316J-000E, the RV1S9231ACCSP-10YC#KC0 offers superior CMTI and temperature rating in a self-contained package with integrated UVLO hysteresis-reducing BOM count and layout complexity for industrial-grade 690 VAC inverters.

Availability

RV1S9231ACCSP-10YC#KC0 is available at Aetrix Electronics and suitable for industrial inverter, AC servo drive, and solar inverter applications requiring stable component supply, long-term lifecycle assurance, and certified reinforced isolation.

Supply support for RV1S9231ACCSP-10YC#KC0 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 manufacturer headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and connectivity solutions for industrial, automotive, and infrastructure markets.

The RV1S9231A product line is engineered for high-reliability isolated gate driving in harsh industrial environments, targeting applications demanding high CMTI, wide temperature range, and safety-certified reinforcement without external support components.

FAQ

What is the maximum recommended forward current for the LED input of RV1S9231ACCSP-10YC#KC0?

The RV1S9231ACCSP-10YC#KC0 has a recommended forward current of 8–12 mA under normal operation, with an absolute maximum rating of 20 mA. Exceeding 12 mA does not improve speed or drive strength but accelerates LED aging; sustained operation above 20 mA risks permanent degradation of the AlGaAs LED and reduced CMTI performance over time. Always use current-limiting resistors sized for 10 mA at the applied input voltage.

Does RV1S9231ACCSP-10YC#KC0 support direct connection to 15 V or 24 V logic-level microcontrollers?

No, RV1S9231ACCSP-10YC#KC0 requires a dedicated current-limiting resistor between the MCU GPIO and Pin 1 (Anode). Its LED forward voltage is 1.56 V typical at 10 mA, so a 3.3 V MCU output needs ~330 Ω, and a 5 V output needs ~470 Ω. Direct connection without current limiting will exceed the 20 mA absolute maximum and cause irreversible LED damage within seconds.

Can RV1S9231ACCSP-10YC#KC0 drive SiC MOSFETs as well as IGBTs?

Yes, RV1S9231ACCSP-10YC#KC0 can drive discrete SiC MOSFETs with gate charges ≤35 nC at 15–20 V supply, thanks to its ±2.5 A peak output and 40 ns rise/fall times. However, for SiC modules with >50 nC Q_g, gate resistor optimization is essential to avoid excessive overshoot; the device's UVLO threshold (12.5 V) also aligns well with common SiC gate drive rails. Thermal validation at 125 °C is recommended for continuous 20 kHz+ operation.

What is the purpose of the SHIELD terminal shown in the block diagram of RV1S9231ACCSP-10YC#KC0?

The SHIELD terminal in RV1S9231ACCSP-10YC#KC0 is an internal conductive layer connected to Pin 3 (VEE) that surrounds the photodiode and output circuitry. It reduces capacitive coupling from the input LED to the output stage, thereby enhancing common-mode transient immunity (CMTI) to ≥50 kV/µs. This shield must be tied to the same ground as VEE; floating or connecting it to a different potential degrades noise rejection and may cause erratic output behavior.

How does the UVLO function behave during power-up of RV1S9231ACCSP-10YC#KC0?

During power-up, the RV1S9231ACCSP-10YC#KC0 UVLO holds the output in a high-impedance state until VCC rises above 12.5 V (V_UVLO+). Once enabled, it remains active down to 11.2 V (V_UVLO−) before disabling again-providing 1.3 V hysteresis. This prevents oscillatory gate drive during slow-rising supplies and ensures IGBTs stay fully off until the output stage is fully biased and capable of delivering full 2.5 A current.