MIC4127YME-TR >
MIC4127YME-TR
Microchip Technology
IC GATE DRVR LOW-SIDE 8SOIC
2245 Pcs New Original In Stock
Low-Side Gate Driver IC Non-Inverting 8-SOIC-EP
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MIC4127YME-TR Microchip Technology
5.0 / 5.0 - (309 Ratings)

MIC4127YME-TR

Product Overview

1309330

DiGi Electronics Part Number

MIC4127YME-TR-DG
MIC4127YME-TR

Description

IC GATE DRVR LOW-SIDE 8SOIC

Inventory

2245 Pcs New Original In Stock
Low-Side Gate Driver IC Non-Inverting 8-SOIC-EP
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1

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In Stock (All prices are in USD)
  • QTY Target Price Total Price
  • 1 1.7889 1.7889
  • 10 1.5216 15.2160
  • 30 1.3547 40.6410
  • 100 1.1833 118.3300
  • 500 1.1065 553.2500
  • 1000 1.0725 1072.5000
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MIC4127YME-TR Technical Specifications

Category Power Management (PMIC), Gate Drivers

Manufacturer Microchip Technology

Packaging Tape & Reel (TR)

Series -

Product Status Active

DiGi-Electronics Programmable Not Verified

Driven Configuration Low-Side

Channel Type Independent

Number of Drivers 2

Gate Type N-Channel MOSFET

Voltage - Supply 4.5V ~ 20V

Logic Voltage - VIL, VIH 0.8V, 2.4V

Current - Peak Output (Source, Sink) 1.5A, 1.5A

Input Type Non-Inverting

Rise / Fall Time (Typ) 20ns, 18ns

Operating Temperature -40°C ~ 125°C (TJ)

Mounting Type Surface Mount

Package / Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad

Supplier Device Package 8-SOIC-EP

Base Product Number MIC4127

Datasheet & Documents

HTML Datasheet

MIC4127YME-TR-DG

Environmental & Export Classification

RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Additional Information

Other Names
MIC4127YMETR-DG
MIC4127YME-DKR
MIC4127YME-CT
MIC4127YME TR
MIC4127YMETR
MIC4127YME TR-DG
Standard Package
2,500

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Reviews

5.0/5.0-(Show up to 5 Ratings)
Cascad***Étoiles
Dec 02, 2025
5.0
Leurs prix sont très compétitifs et leurs emballages sont respectueux de notre planète.
Seel***ucher
Dec 02, 2025
5.0
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Dec 02, 2025
5.0
Der Service nach dem Kauf bei DiGi Electronics ist erstklassig und sehr zuvorkommend.
Lu***ife
Dec 02, 2025
5.0
I find their prices to be very reasonable, especially considering the quality of their offerings.
Night***lNook
Dec 02, 2025
5.0
Fast, reliable shipping makes shopping here a breeze.
Skyli***ourney
Dec 02, 2025
5.0
The staff went above and beyond to assist me with my inquiries, providing clear and helpful information.
Blis***lPath
Dec 02, 2025
5.0
Order processing was rapid, and delivery was faster than any other retailer I've used.
Brigh***rizons
Dec 02, 2025
5.0
The speed of their shipment process is genuinely commendable.
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Frequently Asked Questions (FAQ)

What are the key design-in risks when using the MIC4127YME-TR in a high-noise motor control circuit, and how can they be mitigated?

When integrating the MIC4127YME-TR in high-noise environments like motor control, a major risk is false triggering due to ground bounce or EMI coupling into the logic inputs. Since the MIC4127YME-TR has non-inverting inputs with fixed VIH/VIL thresholds (2.4V/0.8V), ensure tight PCB layout practices: minimize gate loop inductance, use local filtering (e.g., 100nF ceramic + 10Ω series resistor at input lines), and leverage the exposed pad for low-impedance ground connection. Also, verify that the input signal rise/fall times from the controller are compatible to avoid metastability. The 1.5A peak current capability supports fast switching of medium-sized MOSFETs, but transient supply dips can occur without adequate bulk decoupling (e.g., 1µF ceramic + 10µF tantalum near VDD).

Can the MIC4127YME-TR replace the TI UCC27324DR in an existing design, and what critical differences should engineers evaluate?

While both the MIC4127YME-TR and UCC27324DR are dual, low-side, non-inverting gate drivers in 8-SOIC packages, key differences affect drop-in replacement. The MIC4127YME-TR has a higher minimum supply voltage (4.5V vs. 3V on UCC27324DR), so it cannot operate below 4.5V—critical in systems near 3.3V logic. Input logic thresholds differ: MIC4127YME-TR uses fixed 0.8V/2.4V levels, while UCC27324DR uses TTL-compatible thresholds that scale with VDD. If the input signal is 3.3V MCU-driven, verify compatibility with the MIC4127YME-TR’s 2.4V VIH. Also, the MIC4127YME-TR has an exposed thermal pad requiring proper PCB grounding for thermal performance, unlike some older UCC variants. Always validate switching behavior under load before substitution.

How does the MIC4127YME-TR handle thermal dissipation in compact surface-mount layouts, and what PCB design rules maximize reliability?

The MIC4127YME-TR’s exposed pad (EP) is electrically and thermally tied to ground, and omitting its connection risks overheating and long-term reliability loss. For optimal thermal performance in high-duty-cycle applications, use a thermal via array (4–6 vias minimum) under the EP pad, connected to a solid internal ground plane. The junction-to-ground thermal resistance (θJC) is significantly reduced through this path. Avoid isolating the EP with solder mask. Also, ensure the input traces are routed away from switching nodes to prevent noise coupling. In designs with ambient temperatures near 105°C, calculate power dissipation: P ≈ Qg × fsw × Vdrive × 2 (for both channels), and confirm TJ remains below 125°C with derating. Using 2oz copper improves heat spreading even in 2-layer boards.

What are the trade-offs of using the MIC4127YME-TR for driving high-gate-charge MOSFETs in a 12V power supply versus a dedicated high-current driver?

The MIC4127YME-TR provides 1.5A peak source/sink current, making it suitable for driving medium-sized N-channel MOSFETs with gate charges up to ~30nC at moderate frequencies (e.g., <100kHz). For higher Qg MOSFETs like the IRF540 (160nC), switching losses increase due to limited current, leading to elevated driver and MOSFET temperatures. While the MIC4127YME-TR can technically drive such devices, the 20ns/18ns rise/fall times will be dominated by external RC time constants, increasing transition losses. In a 12V supply context, this reduces overall efficiency. Consider upgrading to a higher-current driver like the MIC4422 (6A peak) for >50nC loads. For MIC4127YME-TR, use shortest possible gate traces, avoid gate resistors >10Ω unless for EMI control, and monitor junction temperature under continuous operation.

How does the input logic compatibility of the MIC4127YME-TR affect interfacing with microcontrollers using 3.3V CMOS outputs?

The MIC4127YME-TR specifies a VIH of 2.4V minimum, which is within the high-level output voltage (VOH) of most 3.3V CMOS microcontrollers (typically >3.0V). However, under load or low supply conditions, MCU VOH may dip close to 2.4V, risking unreliable turn-on. Unlike drivers with TTL-ratioed inputs, the MIC4127YME-TR does not scale thresholds with VDD, so noise margins are fixed. To ensure robust operation with 3.3V logic, verify the MCU’s output current capability at 2.4V (ensure no excessive loading) and use short, guarded traces between MCU and MIC4127YME-TR inputs. In electrically noisy systems, add a series 100Ω resistor and local filtering. Alternatively, use a level translator or operate the MIC4127YME-TR from a 5V rail (if available) to increase noise immunity.

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