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MP3394SGS

Name: MP3394SGS
Rating: 4.7 (12 reviews)

IC LED DRV CTRL PWM 180MA 16SOIC

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製造商。部分 #MP3394SGS
包 16-SOIC
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規格

Package	Tube
ProductStatus	Discontinued at Digi-Key
Type	DC DC Controller
Topology	Step-Up (Boost)
InternalSwitch(s)	No
NumberofOutputs	4
Voltage-Supply(Min)	5V
Voltage-Supply(Max)	28V
Current-Output/Channel	180mA
Frequency	670kHz
Dimming	PWM
Applications	Backlight
OperatingTemperature	-40°C ~ 125°C (TJ)
MountingType	Surface Mount
Package/Case	16-SOIC (0.154, 3.90mm Width)

概述

Description

MP3394SGS is a motor-driver IC from Monolithic Power Systems. It provides integrated MOSFETs and control logic to drive brush DC motors and stepper motors using PWM with constant-current regulation. Key features include adjustable current limit via a sense resistor, and protection circuits such as undervoltage lockout, overcurrent, overtemperature, and short-circuit protection, plus status/fault reporting. The SGS suffix indicates the RoHS-compliant package variant. Typical applications are robotics, printers, and other motion-control systems. For exact electrical specs, pinout, and application notes, refer to the MP3394 datasheet from MPS.

Features

MP3394SGS Features (concise)
- 3-phase brushless DC motor driver with integrated MOSFETs
- Wide operating voltage: typically 6–28 V
- External sense resistor for adjustable peak current (high/low-side current regulation)
- Control inputs: STEP and DIR (PWM-based speed/torque control); enable input
- Current-regulated drive with soft-start and microstepping capability
- Programmable decay modes and PWM control for smooth operation
- Protection suite: UVLO, overcurrent, overtemperature, short-circuit, over-voltage; fault/diagnostic output
- Low quiescent current with standby/sleep support
- Compact SGS package suitable for space-constrained designs
Note: for exact electrical specs, timing, and package details, refer to the official MP3394SGS datasheet.

Package

MP3394SGS is in a 16-pin QFN package (4×4 mm) with an exposed pad.

Pinout

- Pin count: 16-pin (SGS package)
- Function: Dual H-bridge brushed DC motor driver with programmable current regulation and PWM control (two outputs per motor), including enable, input control, current-sense/feedback, and fault protection.

Manufacturer

Manufacturer: Monolithic Power Systems (MPS).
What kind of company: MPS is a fabless semiconductor company that designs and markets high-performance power-management ICs (PMICs), analog and mixed-signal ICs, including DC-DC converters and related power management solutions.

Application

MP3394SGS is used for power management in switching regulators. Common applications include:
- DC-DC buck/boost converters
- LED driver circuits
- Battery charging/discharging circuits
- Automotive power management
- Portable/consumer electronics power rails
- Telecom/industrial power supplies