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MP1921GQ-B-Z
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Product Detailed Parameters
- Description：IC GATE DRVR HALF-BRIDGE 10QFN
- Series：MP
- 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：-
- Current - Peak Output (Source, Sink)：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-VFDFN Exposed Pad
- Supplier Device Package：10-QFN (3x3)
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：120 V
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Overview
The MP1921GQ-B-Z is a high-frequency half-bridge gate driver manufactured by Monolithic Power Systems. It supports supply voltages from 9 V to 18 V and delivers peak output currents of 2.5 A for both sourcing and sinking. The device features non-inverting inputs with rise and fall times of 12 ns and 9 ns, respectively. It operates within a temperature range of -40°C to +125°C and is housed in an 8-pin QFN package.
Feature Summary
- Provides robust drive capability for N-channel MOSFETs in half-bridge configurations
- Supports high-frequency switching operations with fast transition times
- Includes integrated protection mechanisms against shoot-through conditions
Applications
- Motor control systems requiring precise gate driving
- Industrial power conversion circuits
- Automotive ignition and motion controller interfaces
Procurement Notes
Verify the specific suffix 'Z' indicates lead-free compliance and RoHS adherence as per manufacturer standards. Confirm the QFN-8 package dimensions match your PCB footprint requirements. Ensure input voltage levels remain strictly within the 9 V to 18 V operational window to prevent device damage or malfunction during integration.
Selection Notes
Select this component when a compact half-bridge solution with high current drive is required. The 2.5 A output current ensures efficient switching of power MOSFETs. Consider the thermal performance of the QFN-8 package for your specific board layout. Verify compatibility with your microcontroller logic levels given the non-inverting configuration.
Part Context
This part belongs to the MP1921 series of gate drivers designed for high-performance applications. It is distinct from other MPS variants by its specific pinout and electrical characteristics tailored for half-bridge topologies. The series is widely used in power management IC portfolios for industrial and automotive sectors.
Replacement Considerations
Direct substitutes include MP1921HQ-A-LF-Z and MP1921GQ-B-P. Verify pin compatibility and electrical specifications before substitution. Ensure the alternative part meets the same voltage and current requirements for your application.
