MC33981ADHFK
IC PWR SWITCH N-CHAN 1:1 16QFNManufacturer: NXP USA Inc.
Categories: Power Distribution Switches, Load Drivers
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NXP USA Inc. MC33981ADHFK is a high-side N-channel power switch with a 1:1 ratio, capable of delivering up to 40A output current. This component is designed for demanding automotive applications, featuring robust protection mechanisms including adjustable current limiting, over-temperature shutdown, reverse current protection, and undervoltage lockout (UVLO). Enhanced operational control is provided through slew rate control, a status flag, and an integrated watchdog timer. The MC33981ADHFK utilizes an On/Off and PWM interface for flexible power management. Its low on-resistance, typically 6mOhm, minimizes power dissipation. The device is supplied in a 16-PQFN (12x12) package, suitable for surface mounting. Operating across a temperature range of -40°C to 125°C (TA), it is ideal for power distribution and load driving in advanced automotive systems.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 39 week(s)Product Status: ActivePackaging: TrayDownload Free CAD Model:
Technical Details:
| Features | Slew Rate Controlled, Status Flag, Watchdog Timer |
| Packaging | Tray |
| Package / Case | 16-PowerQFN |
| Output Type | N-Channel |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Interface | On/Off, PWM |
| Switch Type | General Purpose |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Output Configuration | High Side |
| Rds On (Typ) | 6mOhm (Max) |
| Input Type | Non-Inverting |
| Voltage - Load | 4.5V ~ 27V |
| Voltage - Supply (Vcc/Vdd) | Not Required |
| Current - Output (Max) | 40A |
| Ratio - Input:Output | 1:1 |
| Supplier Device Package | 16-PQFN (12x12) |
| Fault Protection | Current Limiting (Adjustable), Over Temperature, Reverse Current, UVLO |
| Grade | Automotive |
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