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MC33988CHFK
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:2 16QFN
- Series：-
- Mfr：NXP USA Inc.
- Package：Tray
- Switch Type：General Purpose
- Number of Outputs：2
- Ratio - Input:Output：1:02
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：SPI
- Voltage - Load：6V ~ 27V
- Voltage - Supply (Vcc/Vdd)：4.5V ~ 5.5V
- Current - Output (Max)：-
- Rds On (Typ)：8mOhm (Max)
- Input Type：-
- Features：Slew Rate Controlled, Watchdog Timer
- Fault Protection：Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Supplier Device Package：16-PQFN (12x12)
- Package / Case：16-PowerQFN
- Grade：-
- Qualification：-
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Overview
The MC33988CHFK is an automotive high-side driver IC featuring eight outputs with built-in diagnostics and an SPI interface, designed for body control modules and power distribution. It belongs to the eXtreme switch family, offering very low RDSON devices in a dual high-side configuration to replace electromechanical relays, fuses, and discrete devices. The component utilizes a 16-PQFN (12x12) package and complies with EU environmental standards, including ROHS certification and the REACH directive.
Feature Summary
- Dual intelligent high-current self-protected silicon switch architecture
- Integrated SPI interface for diagnostic communication
- Very low on-resistance design for efficient power distribution
Applications
- Automotive body control modules
- Power distribution systems
- Replacement for electromechanical relays and fuses
Procurement Notes
Verify the specific ordering suffix and package variant against the official NXP datasheet to ensure compatibility with your system requirements. Confirm that the component meets the necessary automotive qualification standards for your intended application environment before finalizing procurement decisions.
Selection Notes
Select this component when replacing electromechanical relays or fuses in automotive power management applications requiring integrated diagnostics. Ensure the system supports SPI communication for accessing the built-in fault detection features and verify that the 16-PQFN package dimensions fit the PCB layout constraints.
Part Context
This part is part of the MC33988 series from NXP Semiconductors, formerly Freescale. It is categorized under Power Switch ICs and Power Distribution switches. The device is specifically engineered for automotive environments, providing robust protection and control capabilities for high-side loads.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical specifications carefully if considering alternative components from other manufacturers.
