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MIC4452CT
Microchip Technology
IC GATE DRVR LOW-SIDE TO220-5
3765 Pcs New Original In Stock
Low-Side Gate Driver IC Non-Inverting TO-220-5
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (395 Ratings)
MIC4452CT
Product Overview
1327410
DiGi Electronics Part Number
MIC4452CT-DGManufacturer
Microchip Technology
MIC4452CT
Description
IC GATE DRVR LOW-SIDE TO220-5Inventory
3765 Pcs New Original In Stock
Low-Side Gate Driver IC Non-Inverting TO-220-5
Quantity
Minimum 1
Minimum 1
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MIC4452CT Technical Specifications
Category
Power Management (PMIC), Gate Drivers
Packaging
-
Series
-
Product Status
Obsolete
DiGi-Electronics Programmable
Not Verified
Driven Configuration
Low-Side
Channel Type
Single
Number of Drivers
1
Gate Type
IGBT, N-Channel MOSFET
Voltage - Supply
4.5V ~ 18V
Logic Voltage - VIL, VIH
0.8V, 2.4V
Current - Peak Output (Source, Sink)
12A, 12A
Input Type
Non-Inverting
Rise / Fall Time (Typ)
20ns, 24ns
Operating Temperature
0°C ~ 70°C (TA)
Mounting Type
Through Hole
Package / Case
TO-220-5
Supplier Device Package
TO-220-5
Base Product Number
MIC4452
Datasheet & Documents
HTML Datasheet
MIC4452CT-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
50
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
제품과 서비스 모두에서 최고라고 생각해요. 추천합니다!
de desembre 02, 2025
從訂購到收貨只花了很短時間，產品經過實驗證明很耐用，我會繼續購買。
de desembre 02, 2025
Their approach to packaging is both environmentally responsible and budget-friendly.
de desembre 02, 2025
The delivery process was quick and smooth, with regular updates provided.
de desembre 02, 2025
The inventory management at DiGi Electronics is impressive, with accurate stock levels and timely updates.
de desembre 02, 2025
DiGi Electronics's fast and dependable logistics enhances their reputation.
de desembre 02, 2025
Every time I shop here, I find the products to be highly consistent in quality, ensuring my satisfaction with each purchase.
de desembre 02, 2025
DiGi provides an excellent balance of cost savings and sustainability.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the MIC4452CT in a high-temperature industrial environment near its 70°C maximum operating limit?
The MIC4452CT is rated for operation up to 70°C ambient (TA), which poses reliability risks in enclosed or high-heat industrial systems. Operating near this limit without derating can lead to thermal runaway in high-frequency switching applications due to increased on-resistance of the driven MOSFET/IGBT. To mitigate, ensure adequate PCB copper for heatsinking, consider forced airflow, and verify actual junction temperature rise under load—especially since the TO-220-5 package has limited thermal dissipation through pins alone. In new designs, evaluate thermally enhanced alternatives or active cooling if ambient exceeds 60°C.
Can the MIC4452CT safely drive power MOSFETs in motor control circuits with inductive kickback, and what protection measures are needed?
Yes, the MIC4452CT can drive N-channel MOSFETs in motor control applications due to its 12A peak current and low-side configuration. However, inductive kickback from motor windings can induce negative transients at the switch node, risking damage to the driver or MOSFET. Use a clamping diode across the motor load and ensure the MIC4452CT’s 4.5V minimum supply is not dropped during transients. Additionally, include a small gate resistor (e.g., 4.7Ω–10Ω) to damp oscillations and a Schottky diode from the driver output to ground to shunt negative voltage spikes below ground.
How does the MIC4452CT compare to the MIC4452ZT for drop-in replacement in existing power supply designs?
The MIC4452CT and MIC4452ZT are functionally identical with the same pinout, drive strength (12A sink/source), and supply range (4.5V–18V), but differ in packaging and thermal performance. The MIC4452CT in TO-220-5 is through-hole and better suited for high-power or prototyping applications with superior mechanical stability and heat dissipation via mounting to a heatsink. The MIC4452ZT is surface-mount (DIP-style), enabling automated assembly but with reduced thermal handling. When replacing, note that the MIC4452CT's through-hole mounting may require board rework, but offers superior thermal robustness in high-duty-cycle designs.
What are critical considerations when selecting the MIC4452CT for a new design given its obsolete status?
Although functional, the MIC4452CT is marked as obsolete, posing long-term supply chain risks for production scalability or extended lifecycle products. For new designs, assess availability from authorized distributors—current stock may be last-time buys. Consider redesigning with active-pin-compatible drivers like the Microchip MIC4427A or Texas Instruments UCC2732x series, which offer improved efficiency, wider temperature ranges (–40°C to 125°C), and better package availability. If using MIC4452CT, purchase sufficient stock for full product lifecycle or qualify a second-source alternative.
What causes shoot-through risk when using the MIC4452CT in half-bridge gate drive circuits, and how can it be avoided?
The MIC4452CT is a single low-side driver, so using it in a half-bridge configuration without proper control logic increases shoot-through risk if high-side and low-side FETs switch simultaneously. Since MIC4452CT only drives the low-side switch, ensure the high-side signal is controlled independently with dead-time insertion—either in the PWM controller or via complementary logic with propagation delay matching. Always verify timing margins using the MIC4452CT’s 20ns rise and 24ns fall times, and consider adding external delay circuitry or using a dedicated half-bridge driver (e.g., IRS21844) for safer integration.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MIC4452CT CAD Models
Microchip Technology MIC4452CT PCB symbols & footprints
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