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MP5921GV-Z

Name: MP5921GV-Z
Rating: 4.7 (12 reviews)

16V, 50A, 1M RDS(ON), HOT-SWAP I

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規格

Series	MP
Part Status	Active
Type	Hot Swap Controller
Number of Channels	1
Internal Switch(s)	Yes
Applications	Networking
Features	Latched Fault
Programmable Features	Current Limit, Latched Fault, OVP, Slew Rate, UVLO
Voltage - Supply	4V ~ 16V
Current - Output (Max)	50A
Operating Temperature	-40°C ~ 125°C (TJ)
Current - Supply	1.8 mA
Mounting Type	Surface Mount
Package	28-VFQFN Exposed Pad
Supplier Device Package	28-QFN (4x5)
Packaging	Tape & Reel (TR)

概述

Description

MP5921GV-Z is a Monolithic Power Systems DC-DC converter (buck regulator) that integrates the switching MOSFETs and control circuitry in a small package. It is designed to take a higher input voltage and produce a stable, adjustable output for embedded and power‑sensitive applications.
Key points:
- Synchronous buck regulator with integrated high- and low-side MOSFETs for high efficiency.
- Adjustable output via external feedback resistors.
- Fixed or programmable switching frequency with PWM/PFM operation.
- Protections: undervoltage lockout, overcurrent/short-circuit protection, and thermal shutdown.
- Enable/soft-start features to control startup behavior.
- RoHS-compliant, small package suitable for compact power supplies.
For exact specifications (input range, output range, switching frequency, pinout, and packaging), refer to the MP5921GV-Z datasheet from Monolithic Power Systems.

Features

MP5921GV-Z is a high-efficiency synchronous buck regulator. Key features:
- Integrated high-side and low-side MOSFETs for a compact design
- Fixed-frequency, current-mode PWM control
- Adjustable output via external feedback resistors
- Enable/SHDN with undervoltage lockout
- Soft-start and output discharge
- Over-current/short-circuit protection and thermal shutdown
- Wide input voltage range suitable for battery/automotive supplies
- High efficiency with synchronous rectification
- Small, RoHS-compliant package (GV-Z variant) for compact boards
Note: For exact electrical specs (voltage range, switching frequency, output current, etc.), please refer to the official datasheet.

Package

8-pin MSOP package.

Pinout

Pin count: 8 pins (8-pin package, e.g., SOP/MSOP).
Function: A high-efficiency DC-DC buck regulator with an integrated switch (step-down converter) used to convert a higher input voltage to a regulated output, with feedback and enable pins for control.

Manufacturer

Manufacturer: Monolithic Power Systems, Inc. (MPS).
Company type: A US-based fabless semiconductor company that designs and sells high-performance analog and mixed-signal ICs for power management (DC-DC converters, regulators, controllers, etc.).

Application

MP5921GV-Z is a high-efficiency DC-DC buck regulator. Typical applications include:
- VRMs/point-of-load regulators for CPUs/GPUs in notebooks, desktops, and servers
- LED backlight drivers and general LED lighting
- Power adapters and telecom/industrial power supplies
- Battery-powered devices requiring compact, high-efficiency step-down with current limit