Overview
The ADUM5230ARWZ from Analog Devices Inc. is an isolated half-bridge gate driver that utilizes iCoupler® technology to provide independent and isolated high-side and low-side outputs. This component combines CMOS and microtransformer technologies, incorporating an integrated dc-to-dc converter that supplies an isolated high-side voltage. This design eliminates the need for external supply configurations such as bootstrap circuitry, reducing costs, space requirements, and performance issues. The ADUM5230ARWZ offers true galvanic isolation between the input and each output, making it suitable for various high-reliability applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 2 | - | Half-bridge configuration |
| Package Style | SOIC-16-300mil | - | Surface mount |
| Operating Temperature | -40°C to +105°C | °C | Ambient operating temperature |
| Input Supply Voltage (VDD1) | 4.5 V to 5.5 V | V | Relative to ground |
| Channel B Supply Voltage (VDDB) | 12 V to 18.5 V | V | Relative to ground |
| Output Voltage | 15 V | V | Maximum output voltage |
| Output Source Current | 100 mA | mA | Minimum source current |
| Output Sink Current | 300 mA | mA | Minimum sink current |
| Common-Mode Transient Immunity | 35 kV/μs | kV/μs | Typical value |
| Secondary Side Power | 150 mW | mW | Maximum power available on the secondary side |
| UL Recognition | 2500 V rms for 1 minute per UL1577 | V rms | Insulation test voltage |
Key Features
- Integrated Isolated High-Side Supply: Eliminates the need for external bootstrap circuitry, reducing costs and space requirements.
- True Galvanic Isolation: Provides isolation between the input and each output, ensuring high reliability in applications.
- High Common-Mode Transient Immunity: Offers 35 kV/μs typical immunity, enhancing the component's robustness against transient voltages.
- Adjustable Power Level: The power level can be controlled externally through the VADJ pin with an external resistor network.
- Wide Operating Temperature Range: Operates from -40°C to +105°C, making it suitable for various environmental conditions.
- High-Side and Low-Side Outputs: Supports low-side switching to negative voltages with a differential voltage up to 700 V between the high side and low side.
Applications
- MOSFET/IGBT Gate Drives: Ideal for driving power MOSFETs and IGBTs in high-power applications.
- Automotive Systems: Suitable for use in automotive environments due to its robust isolation and wide operating temperature range.
- Motor Drives: Used in motor drive applications requiring high reliability and isolation.
- Power Supplies: Employed in power supply designs where isolated gate driving is necessary.
Q & A
- What is the primary function of the ADUM5230ARWZ?
The ADUM5230ARWZ is an isolated half-bridge gate driver that provides independent and isolated high-side and low-side outputs.
- What technology does the ADUM5230ARWZ use for isolation?
The ADUM5230ARWZ uses Analog Devices' iCoupler® technology, combining CMOS and microtransformer technologies.
- What is the benefit of the integrated dc-to-dc converter in the ADUM5230ARWZ?
The integrated dc-to-dc converter eliminates the need for external bootstrap circuitry, reducing costs, space requirements, and performance issues.
- What is the operating temperature range of the ADUM5230ARWZ?
The ADUM5230ARWZ operates from -40°C to +105°C.
- What is the maximum output voltage of the ADUM5230ARWZ?
The maximum output voltage is 15 V.
- What is the common-mode transient immunity of the ADUM5230ARWZ?
The common-mode transient immunity is 35 kV/μs typical.
- Is the ADUM5230ARWZ UL recognized?
Yes, it is recognized under UL1577 with an insulation test voltage of 2500 V rms for 1 minute.
- What types of applications is the ADUM5230ARWZ suitable for?
The ADUM5230ARWZ is suitable for MOSFET/IGBT gate drives, automotive systems, motor drives, and power supplies.
- Can the power level of the ADUM5230ARWZ be adjusted?
Yes, the power level can be controlled externally through the VADJ pin with an external resistor network.
- What is the package style of the ADUM5230ARWZ?
The package style is SOIC-16-300mil.
