Diodes Incorporated DGD2106S8-13

Overview

DGD2106S8-13 from Diodes Incorporated is a high-voltage, high-speed dual-channel gate driver IC for half-bridge N-channel MOSFET/IGBT configurations, featuring 600V high-side bootstrap operation, -40°C to +125°C operating range, 10–20V VCC supply, and TTL/CMOS-compatible 3.3V logic inputs. It delivers 290mA peak high-side and 600mA peak low-side pulsed output current for fast switching in power conversion stages.

For engineers reviewing the DGD2106S8-13 datasheet, DGD2106S8-13 pinout, DGD2106S8-13 application, or DGD2106S8-13 equivalent, key selection criteria include bootstrap high-side voltage rating (600V), propagation delay matching (≤30ns), undervoltage lockout thresholds (8.2V typical), negative transient tolerance on outputs, and SO-8 thermal resistance (200°C/W).

Technical Context

The DGD2106S8-13 integrates independent high-side and low-side drivers with floating high-side architecture enabled by bootstrap capacitor coupling, supporting VS offset up to 600V relative to COM. Its Schmitt-triggered HIN/LIN inputs provide noise immunity, while separate UVLO circuits monitor both VCC and VB/VS rails with 0.7V hysteresis.

AC performance is optimized for high-frequency switching: typical tON/tOFF of 220/200ns with 1000pF load, rise/fall times of 100ns/35ns, and robust dVS/dt immunity (50V/ns). Output stage design minimizes cross-conduction risk via non-overlapping drive timing and high-current sink/source capability.

Key Specifications

Pinout & Package

Package: SO-8 (Type TH), surface-mount, lead-free, RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar half-bridge gate driver applications.

Compared with IRS21844STRPBF and LM5109BMAX/NOPB, the DGD2106S8-13 offers optimal balance of 600V capability, 3.3V logic support, and SO-8 thermal performance-making it preferred for industrial 400V bus designs requiring robust noise immunity and extended temperature operation.

Availability

DGD2106S8-13 is available at Aetrix Electronics and suitable for DC-DC converters, motor controls, and AC-DC power supplies requiring stable component supply across extended temperature ranges and high-voltage operation.

Supply support for DGD2106S8-13 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.

The DGD2106 belongs to Diodes' high-voltage gate driver product line, engineered for reliable half-bridge switching in energy-efficient power conversion systems operating up to 600V with minimal external components.

FAQ

What is the maximum allowable dVS/dt for the DGD2106S8-13?

The DGD2106S8-13 is rated for 50 V/ns dVS/dt on the VS node. This specification ensures reliable operation during fast switching transitions in high-frequency inverters and resonant converters without false triggering or latch-up. Exceeding this rate may cause timing errors or damage due to internal parasitic coupling.

Can the DGD2106S8-13 drive IGBTs directly without external gate resistors?

No. While the DGD2106S8-13 provides sufficient peak current (600mA LO, 290mA HO), external gate resistors are required to control turn-on/turn-off speed, suppress ringing, and limit dv/dt stress on the IGBT. Typical values range from 5Ω to 47Ω depending on IGBT gate charge and system EMI requirements.

Is the DGD2106S8-13 pin-compatible with newer Diodes gate drivers like the DGD2106M?

Yes-the DGD2106M is the functional replacement for the obsolete DGD2106S8-13 and maintains identical pinout, electrical characteristics, and SO-8 package. Migration requires no PCB redesign, though users should verify updated thermal performance and qualification status per DS38270 Rev. 7.

Does the DGD2106S8-13 support independent enable/disable of high-side and low-side outputs?

No. The DGD2106S8-13 lacks dedicated EN pins; output states are determined solely by HIN and LIN logic levels. To disable both outputs simultaneously, both inputs must be held low (0V), leveraging internal pull-downs. Dead-time must be implemented externally in the controller.