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Product Detailed Parameters
- Description：1700V 35W (40-1200VDC)
- Series：-
- Mfr：Power Integrations
- Package：Tape & Reel (TR)
- Output Isolation：-
- Internal Switch(s)：-
- Voltage - Breakdown：-
- Topology：-
- Voltage - Start Up：-
- Voltage - Supply (Vcc/Vdd)：-
- Duty Cycle：-
- Frequency - Switching：-
- Fault Protection：-
- Control Features：-
- Operating Temperature：-
- Package / Case：-
- Supplier Device Package：-
- Mounting Type：-
- Grade：-
- Qualification：-
- Power (Watts)：-
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Overview
The INN3947CQ0500-TL is an automotive-grade AC/DC converter from the InnoSwitch3-AQ series, featuring a built-in 1700V SiC MOSFET. It supports a flyback topology with an input voltage range of 40V to 1200VDC and delivers up to 35W output power. The device operates within a temperature range of -40°C to +150°C, utilizing an InSOP-24D package for surface mount installation.
Feature Summary
- Integrates a 1700V Silicon Carbide (SiC) MOSFET for high-voltage efficiency
- Includes FluxLink™ technology for isolated secondary-side feedback control
- Provides comprehensive protection features including overvoltage and overtemperature shutdown
Applications
- Auxiliary power supplies for 800V battery electric vehicles
- Emergency power systems in light electric vehicles
- Industrial power supply applications requiring high reliability
Procurement Notes
Verify that the specific suffix 'TL' corresponds to the required tape-and-reel packaging configuration as defined by Power Integrations. Confirm AEC-Q100 qualification status and ensure the component meets the thermal management requirements for the intended operating environment before finalizing procurement.
Selection Notes
Select this component when designing for high bus voltages exceeding 600V, specifically targeting 800V architectures. The integrated SiC switch offers superior performance compared to standard silicon alternatives. Ensure the design accommodates the wide input voltage range and utilizes the appropriate planar transformer specifications for optimal efficiency.
Part Context
This part belongs to the InnoSwitch3-AQ family, which represents Power Integrations' expansion into automotive applications. It combines primary-side regulation with high-voltage switching capabilities, addressing the need for compact, efficient power solutions in modern electric vehicle traction and charging systems.
Replacement Considerations
INN3947CQ500-MR
FAQ
What is the maximum input voltage supported by this IC?
The device supports a maximum input voltage of 1200VDC.
Does this component include secondary-side regulation?
Yes, it utilizes FluxLink™ technology for accurate secondary-side voltage regulation without an optocoupler.
