ایزولاتور ایزولاتور- درایور گیت

Product Attributes

Introduction

The CA-IS322x series are dual-channel, isolated gate drivers offering 6A peak sink current and 5A peak source current drive capability. These devices support high-speed switching, and combined with their ultra-low propagation delay (56ns, typical) and ultra-low pulse width distortion, they are ideal for driving high-power transistors such as MOSFETs, IGBTs, and SiC devices. Operating frequencies up to 5MHz make them suitable for various applications including inverters, isolated power supplies, and motor drives.

All devices employ CHIPANALOG's proprietary capacitive isolation technology with an integrated digital isolator. The input side and driver output side are isolated through silicon dioxide (SiO₂) capacitive dielectric barriers, providing isolation withstand voltage up to 5.7kV RMS (wide-body SOIC package) (UL1577 certified) and a minimum CMTI of 100V/ns. Additionally, the internal circuitry provides functional isolation between Driver A and Driver B on the secondary side (output side), withstanding a working voltage of 1500V DC.

The CA-IS322x series gate drivers can be configured as dual low-side, dual high-side, or half-bridge drivers with programmable dead time. Enable control (EN pin on CA-IS3222) and disable control (DIS pin on CA-IS3221) allow the outputs of Driver A and Driver B to be quickly pulled low, turning off the external power transistors. Furthermore, when either the input-side or output-side power supply is unpowered, open, or falls below the UVLO threshold, or when the device is in the disabled state, the driver outputs are set to the default state: low level. When the input signal is open, the driver outputs are likewise set to the default state: low level, turning off the external power transistors.

The CA-IS322x input-side supply VCC1 accepts a supply voltage range of 3V to 18V, and the output-side supply VDD- accepts supply voltages up to 25V. Available in 16-pin or 14-pin wide-body SOIC packages. Operating temperature range: -40°C to +125°C.

Features

• Flexible multi-configuration support: dual-channel low-side drive, dual-channel high-side drive, half-bridge drive
• 6A peak sink current and 5A peak source current drive capability
• Wide supply range: input-side VCC1 accepts 3V to 18V supply voltage; output-side gate drive supply VDD up to 25V
• Selectable high-accuracy UVLO: 6V, 8V, and 12V options
• Ensured matched propagation delay: 56ns (typical) propagation delay, 5ns (maximum) inter-device propagation delay mismatch, 7ns (maximum) pulse width distortion, 20ns (typical) minimum input pulse width
• Programmable dead time
• -40°C to +125°C operating temperature range
• Highly reliable galvanic isolation: long insulation gate lifetime (>40 years), 5.7kV RMS (wide-body package) isolation voltage, high CMTI (>±100V/ns), 12.8kV surge withstand capability
• Available packages: wide-body SOIC16(W), wide-body SOIC14(K)
• Safety certifications: VDE reinforced isolation certified per DIN EN IEC 60747-17 (VDE 0884-17): 2021-10, certified per UL 1577 component recognition, certified per TUV EN61010-1:2010+A1, certified per GB 4943.1-2022

Applications

• Isolated DC-DC, AC-DC converters
• Motor control
• LED lighting
• Uninterruptible Power Supply (UPS)
• Inverters
• HEV/EV battery chargers