Overview
The IRS44273LTRPBF is a single-channel, low-side gate driver IC produced by Infineon Technologies. It is part of the EiceDRIVER™ family and is designed to drive MOSFETs and IGBTs. This IC features a typical 1.5 A source and 1.5 A sink current capability, making it suitable for a variety of power management and motor control applications. The device is packaged in a 5-lead SOT23 package, which is industry-standard and facilitates easy PCB layout.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Number of Channels | 1 | Single-channel gate driver |
| Package Type | SOT23-5L | 5-lead SOT23 package |
| Supply Voltage (VCC) | Up to 25 V | Maximum supply voltage |
| Output Current (Io+/-) | Typical 1.5 A / 1.5 A | Source and sink current capability |
| Under Voltage Lockout (UVLO) | 10.2 V (on) / 9.2 V (off) | Protection against low supply voltage |
| Logic Input Compatibility | CMOS or LSTTL | Compatibility with standard logic outputs |
| Operating Temperature | -40°C to 125°C | Temperature range for operation |
| Turn-on Time | 50 ns | Typical turn-on time for the output drivers |
Key Features
- Wide Supply Voltage Range: Up to 25 V VCC max, making the IC robust against VCC spikes in harsh circuit applications.
- Under Voltage Lockout (UVLO): Provides protection at low supply voltage.
- Dual Gate Drive OUT Pins: Facilitates easy PCB layout capabilities.
- CMOS Schmitt-Triggered Inputs: Compatible with standard CMOS or LSTTL output.
- 3.3 V Logic Compatibility: Ensures compatibility with a wide range of logic systems.
- Output in Phase with Input: Ensures synchronized operation with the input signal.
- Market-Proven and Industry-Standard Package: Enhances reliability and ease of integration.
Applications
- Motor Drives: Featured in evaluation boards like EVAL-M3-TS6-665PN for single-phase PFC and 3-phase inverter applications.
- Power Factor Correction (PFC): Used in conjunction with IPMs and discrete IGBTs for PFC stages, as seen in the REF-SHA35WRC2SYS reference design.
- Ceiling Fan Motor Control: Part of the REF-SHA35WRC2SYS high voltage ceiling fan reference design, providing turnkey PFC and motor control.
- General Power Management: Suitable for various power management applications requiring robust and reliable gate driving.
Q & A
- What is the maximum supply voltage for the IRS44273LTRPBF?
The maximum supply voltage (VCC) for the IRS44273LTRPBF is 25 V.
- What is the typical output current capability of the IRS44273LTRPBF?
The typical output current capability is 1.5 A source and 1.5 A sink.
- What type of logic inputs are compatible with the IRS44273LTRPBF?
The logic inputs are compatible with standard CMOS or LSTTL outputs.
- What is the operating temperature range for the IRS44273LTRPBF?
The operating temperature range is -40°C to 125°C.
- What is the purpose of the under voltage lockout (UVLO) feature in the IRS44273LTRPBF?
The UVLO feature provides protection against low supply voltage, ensuring the device operates safely under varying voltage conditions.
- How does the dual gate drive OUT pins feature benefit PCB layout?
The dual OUT pins facilitate easy PCB layout capabilities, making it simpler to design and layout the circuit board.
- What is the typical turn-on time for the output drivers of the IRS44273LTRPBF?
The typical turn-on time for the output drivers is 50 ns.
- In what types of applications is the IRS44273LTRPBF commonly used?
The IRS44273LTRPBF is commonly used in motor drives, power factor correction (PFC), and general power management applications.
- Is the IRS44273LTRPBF compatible with 3.3 V logic systems?
- What evaluation boards feature the IRS44273LTRPBF for motor drive applications?
The EVAL-M3-TS6-665PN evaluation board features the IRS44273LTRPBF for single-phase PFC and 3-phase inverter applications.
