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Product Detailed Parameters
- Description：80V PHASE DISCONNECT IC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Optical Coupling
- Number of Channels：2
- Voltage - Isolation：-
- Propagation Delay tpLH / tpHL (Max)：400ns, 850ns
- Pulse Width Distortion (Max)：-
- Rise / Fall Time (Typ)：-
- Current - Output High, Low：-
- Current - Peak Output：-
- Voltage - Forward (Vf) (Typ)：-
- Voltage - Output Supply：4.5V ~ 85V
- Grade：Automotive
- Qualification：AEC-Q100
- Operating Temperature：-40°C ~ 150°C
- Mounting Type：Surface Mount
- Package / Case：28-VFQFN Exposed Pad
- Supplier Device Package：28-QFN (5x5)
- Common Mode Transient Immunity (Min)：-
- Approval Agency：-
- Current - DC Forward (If) (Max)：-
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Overview
The A89103KETSR-5 is a three-phase gate driver IC from Allegro MicroSystems, designed for driving N-channel isolated power MOSFETs. It features five drivers with an inverting configuration and supports supply voltages between 4.5 V and 85 V. The device operates within a temperature range of -40°C to +150°C and utilizes a QFN-28 package.
Feature Summary
- Provides integrated isolation for high-side and low-side MOSFET control
- Supports phase disconnect functionality for enhanced system safety
- Features inverting logic configuration for simplified interface
Applications
- Three-phase motor drive systems
- Industrial inverter applications
- Isolated power conversion circuits
Procurement Notes
Verify the exact suffix against official Allegro documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with your PCB footprint and isolation requirements before procurement.
Selection Notes
Select this component when designing three-phase systems requiring robust isolation and wide voltage operation. Consider thermal management due to the operating temperature range and ensure the control signals match the inverting logic configuration.
Part Context
This part belongs to the A89103 series of gate drivers. It is distinct from development tools like the APEK89110KET-T and other driver variants such as the A89103KEVSR-5, which may differ in pinout or specific electrical characteristics.
Replacement Considerations
Consult official substitution lists for equivalent three-phase gate drivers. Verify that any alternative maintains the same isolation rating, voltage range, and package dimensions.
