Toshiba Semiconductor and Storage TLP5222(D4,E

Overview

TLP5222(D4,E) from Toshiba Electronic Devices & Storage Corporation is a VDE-certified smart gate driver photocoupler for IGBT and power MOSFET isolation, delivering ±2.5 A peak output current, 250 ns max propagation delay, and integrated desaturation detection with 1.4 μs blanking time-designed for industrial inverters and photovoltaic (PV) inverter gate drive circuits.

For engineers reviewing the TLP5222(D4,E) datasheet, TLP5222(D4,E) pinout, TLP5222(D4,E) application, or TLP5222(D4,E) equivalent, key selection criteria include its SO16L package with 8.0 mm creepage, EN 60747-5-5 compliance (D4 option), active Miller clamp, UVLO (10.5–12.5 V), and ±25 kV/μs common-mode transient immunity.

Technical Context

The TLP5222(D4,E) integrates dual infrared LEDs and dual high-speed photo-detector ICs to achieve galvanically isolated gate control and fault feedback. Its architecture implements desaturation monitoring via pin 14 with 6.6 V typ. threshold, automatic FAULT reset, and soft turn-off logic triggered by DESAT events.

It supports both positive and negative gate drive configurations: VCC2–VE = 15–30 V and optional VEE for negative bias (VE–VEE ≤ 15 V). Bypass capacitors (1 μF) are mandatory between pins 13–16 and optionally 9/12–16 to stabilize the high-gain amplifier and prevent switching instability.

Key Specifications

Pinout & Package

Package: SO16L (Toshiba designation 11-10M1), long creepage/clearance (8.0 mm creepage), surface-mount, RoHS-compliant, weight 0.364 g.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ACPL-332J-500E and SI8274BD-D-IS, the TLP5222(D4,E) provides fully integrated analog DESAT monitoring, active Miller clamping, and VDE-certified 5000 Vrms isolation in a single SO16L package-reducing bill-of-materials count and PCB area in safety-critical industrial inverters.

Availability

TLP5222(D4,E) is available at Aetrix Electronics and suitable for industrial inverters, photovoltaic (PV) inverters, and uninterruptible power supply (UPS) systems requiring stable component supply, long-term lifecycle support, and VDE-compliant reinforced isolation.

Supply support for TLP5222(D4,E) 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

Toshiba Electronic Devices & Storage Corporation designs high-reliability semiconductor components for industrial, automotive, and energy infrastructure applications, with global manufacturing and quality certification to ISO 9001 and IATF 16949.

The TLP5222 series belongs to Toshiba's Smart Gate Driver Photocoupler product line, engineered specifically for high-noise, high-voltage power conversion systems requiring integrated protection, minimal external components, and certified safety isolation.

FAQ

What safety certifications apply to the TLP5222(D4,E)?

The TLP5222(D4,E) carries VDE certification per EN 60747-5-5 and EN 62368-1, UL 1577 (File E67349), cUL CSA Component Acceptance (File E67349), and CQC GB4943.1/GB8898. The "(D4)" suffix explicitly denotes qualification to the EN 60747-5-5 Option D4 insulation standard, verified by third-party testing. TLP5222(D4,E) meets reinforced insulation requirements for industrial equipment up to 1000 V working voltage.

How does the DESAT function operate in the TLP5222(D4,E)?

The TLP5222(D4,E) monitors IGBT collector voltage via pin 14 (DESAT) using an internal comparator with 6.6 V typical threshold. Upon detecting overcurrent, it initiates soft turn-off, asserts FAULT (pin 3), and activates Miller clamp (pin 10). A 1.4 μs leading-edge blanking period prevents false triggers during switching transients. External components-RDESAT ≥500 Ω, CBLANK, and Zener diode CUZ8V2-are required per Toshiba Application Note. This behavior is fully integrated within the TLP5222(D4,E) die.

What is the purpose of pin 15 (VLED) on the TLP5222(D4,E)?

Pin 15 (VLED) on the TLP5222(D4,E) is a no-connect test pad designated solely for factory wafer-level testing and characterization. It must remain unconnected in all production PCB layouts and has no electrical function in normal operation. Connecting VLED to any voltage rail, ground, or signal trace may compromise device performance or reliability. This design feature is documented in Toshiba's TLP5222 datasheet Rev. 3.0.A, Section 4.1.

Can the TLP5222(D4,E) support negative gate drive configurations?

Yes, the TLP5222(D4,E) supports negative gate drive via pins 9 and 12 (VEE) and pin 16 (VE). When VE–VEE > 0 V, a second 1 μF bypass capacitor must be placed between VEE and VE, with total lead length ≤1 cm. The recommended operating range is VE–VEE = 0–15 V. Negative bias improves IGBT turn-off robustness against Miller-induced false turn-on. All electrical characteristics-including ±2.5 A output current and UVLO thresholds-remain valid under this configuration, as confirmed in Section 8 of the TLP5222(D4,E) datasheet.

What are the mandatory bypass capacitor requirements for the TLP5222(D4,E)?

Two mandatory 1 μF ceramic bypass capacitors are required for stable operation of the TLP5222(D4,E): one between pin 13 (VCC2) and pin 16 (VE), and a second between pin 9 or 12 (VEE) and pin 16 (VE) if negative gate drive is used. Total lead length for each capacitor must not exceed 1 cm. Omission causes high-gain amplifier instability, increased propagation skew, and potential switching failures-explicitly warned in Sections 5 and 12 of the TLP5222(D4,E) datasheet.