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The following are detailed specifications for the A4910KJPT chip:
- Features:
- High-current three-phase gate driver suitable for N-channel MOSFETs.
- Three-phase current detection amplifier with user-configurable differential amplifiers.
- SPI-compatible serial or direct parallel control.
- Cross-conduction protection and programmable dead time.
- Top-side charge pump enabling 100% PWM duty cycle operation.
- Provides extensive diagnostic outputs, including under-voltage, over-temperature, and power bridge fault indications.
- Low-current sleep mode.
Technical Specifications
- Package Type: LQFP-48
- Pin Count: 48 pins
- Operating voltage range: 5.5V to 50V
- Logic supply voltage: 3.3V to 5V
- Operating temperature range: -40°C to +150°C (automotive grade)
- Maximum junction temperature: Limited by power dissipation, continuous over-temperature events not exceeding 10 seconds, and lifetime duration not exceeding 10 hours.
- Storage temperature range: -65°C to +150°C
Notes
- Compatibility: Before purchasing, please confirm that this chip is compatible with your application.
- Installation instructions:
- Ensure that the power supply voltage meets the chip specifications.
- Use appropriate decoupling capacitors to reduce noise.
- Operate the device within the specified temperature range.
- Technical support: If further technical support is required, contact the supplier or manufacturer.
Summary
The A4910KJPT is a high-performance three-phase MOSFET driver produced by Allegro MicroSystems, suitable for various automotive electronic applications, particularly excelling in electronic power steering systems, hydraulic pumps, engine cooling fans, and transmission actuators. Its wide operating voltage range, low static current, and multiple protection features make it highly practical and reliable in automotive electronic systems.
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Product Description:
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