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MP1921HR-A-LF-P
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Product Detailed Parameters
- Description：IC GATE DRVR HALF-BRIDGE 10QFN
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR)
- Driven Configuration：Half-Bridge
- Channel Type：Independent
- Number of Drivers：2
- Gate Type：MOSFET (N-Channel)
- Voltage - Supply：9V ~ 18V
- Logic Voltage - VIL, VIH：1V, 2.4V
- Current - Peak Output (Source, Sink)：2.5A, 2.5A
- Input Type：Non-Inverting
- Rise / Fall Time (Typ)：12ns, 9ns
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-VDFN Exposed Pad
- Supplier Device Package：10-QFN (4x4)
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：120 V
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Overview
The MP1921HR-A-LF-P is a high-frequency, 100V half-bridge N-channel power MOSFET driver manufactured by Monolithic Power Systems. It features two independent driver channels with a peak output current of 2.5A. The device operates on a supply voltage range of 9V to 18V and supports logic input levels of 1V (low) and 2.4V (high). It exhibits fast switching characteristics with a rise time of 12ns and a fall time of 9ns. The component is designed for surface mount installation in an SOIC-8 package and functions within a junction temperature range of -40°C to +125°C.
Feature Summary
- High-frequency operation capability for efficient power switching applications
- Integrated half-bridge configuration driving both high-side and low-side N-channel MOSFETs
- Robust 100V blocking voltage rating suitable for demanding power environments
- Fast propagation delays ensuring precise timing control in synchronous circuits
Applications
- Automotive power management systems requiring AEC-Q100 qualified components
- Synchronous buck converter topologies for DC-DC regulation
- Half-bridge motor drive circuits
- Industrial power supply inverters
Procurement Notes
Verify the specific suffix 'HR' indicates tape and reel packaging when ordering. Confirm that the 'LF' designation complies with RoHS requirements for your assembly process. Ensure the SOIC-8 footprint matches your PCB layout guidelines. Cross-reference the datasheet revision date to confirm compatibility with your design specifications before finalizing procurement.
Selection Notes
Select this component when a dual-channel gate driver with 100V capability is required for N-channel MOSFETs. The 2.5A output current provides sufficient drive strength for moderate-power switches. Consider the 9V to 18V supply range for compatibility with standard 12V or 15V systems. The wide operating temperature range makes it suitable for automotive and industrial environments where thermal stability is critical.
Part Context
This part belongs to the MP1921 series of half-bridge gate drivers from Monolithic Power Systems. The series includes variants such as the MP1921HS and MP1921A, which share similar electrical characteristics but may differ in packaging or specific qualification standards. The MP1921HR-A-LF-P specifically denotes the high-reliability automotive grade version in a reel format.
Replacement Considerations
The MP1921HS-A-LF-P is a related variant within the same family. Verify if the specific automotive qualification or packaging differences between the HR and HS suffixes impact your design requirements before substituting.
