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CSD95379Q3MT
Texas Instruments
IC HALF BRIDGE DRIVER 20A 10VSON
1517 Pcs New Original In Stock
Half Bridge Driver Synchronous Buck Converters Power MOSFET 10-VSON (3.3x3.3)
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- (318 Ratings)
CSD95379Q3MT
Product Overview
1262075
DiGi Electronics Part Number
CSD95379Q3MT-DGManufacturer
Texas Instruments
CSD95379Q3MT
Description
IC HALF BRIDGE DRIVER 20A 10VSONInventory
1517 Pcs New Original In Stock
Half Bridge Driver Synchronous Buck Converters Power MOSFET 10-VSON (3.3x3.3)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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CSD95379Q3MT Technical Specifications
Category
Power Management (PMIC), Full Half-Bridge (H Bridge) Drivers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
NexFET™
Product Status
Active
Output Configuration
Half Bridge
Applications
Synchronous Buck Converters
Interface
PWM
Load Type
Inductive
Technology
Power MOSFET
Rds On (Typ)
-
Current - Output / Channel
20A
Current - Peak Output
45A
Voltage - Supply
4.5V ~ 5.5V
Voltage - Load
4.5V ~ 16V
Operating Temperature
-40°C ~ 150°C (TJ)
Features
Bootstrap Circuit, Diode Emulation
Fault Protection
Shoot-Through, UVLO
Mounting Type
Surface Mount
Package / Case
10-PowerVFDFN
Supplier Device Package
10-VSON (3.3x3.3)
Base Product Number
CSD95379
Datasheet & Documents
Manufacturer Product Page
CSD95379Q3MT Specifications
HTML Datasheet
CSD95379Q3MT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.29.0095
Additional Information
Other Names
CSD95379Q3MT-DG
296-CSD95379Q3MTCT
2156-CSD95379Q3MT
TEXTISCSD95379Q3MT
296-CSD95379Q3MTTR
296-CSD95379Q3MTDKR
Standard Package
250
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
這次購物非常滿意，產品品質超棒，價格實惠感覺很划算。
de desembre 02, 2025
DiGi Electronics's support staff is friendly, helpful, and always ready to assist.
de desembre 02, 2025
Customer support is proactive in providing solutions when logistic issues occur, making me feel well-supported.
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Frequently Asked Questions (FAQ)
When replacing the CSD95379Q3MT in a high-current synchronous buck design, how does it compare to the Infineon BSC040N04LS6 in terms of shoot-through protection and layout sensitivity?
The CSD95379Q3MT integrates robust shoot-through protection with adaptive dead-time control, which reduces the risk of cross-conduction during fast load transients—unlike the BSC040N04LS6, which relies on external gate drive timing and offers no built-in prevention. Additionally, the CSD95379Q3MT’s 10-VSON (3.3x3.3) package has a lower parasitic inductance than the D2PAK used by the BSC040N04LS6, making it less sensitive to high-frequency ringing and enabling tighter PCB layout. For high-density designs, this improves reliability and simplifies EMI mitigation, though both parts require careful grounding and decoupling placement near the driver IC.
Can the CSD95379Q3MT safely drive MOSFETs in a 12V input, 20A output buck converter without external gate resistors, and what are the thermal risks if omitted?
While the CSD95379Q3MT can drive MOSFETs directly due to its integrated gate drive strength (up to 45A peak output), omitting external gate resistors increases the risk of voltage overshoot, ringing, and EMI—especially with long gate traces or high-parasitic layouts. Without damping, fast switching edges may induce false turn-on or stress the MOSFETs beyond safe operating area (SOA). We recommend using 2–10Ω gate resistors per switch to control dv/dt and reduce oscillations. Thermal risk is indirect: excessive ringing increases switching losses, raising junction temperature beyond the -40°C to 150°C TJ rating under sustained load, potentially leading to premature failure.
Is the CSD95379Q3MT suitable for replacing older half-bridge drivers like the TI UCC27211 in automotive-grade 48V-to-12V DC-DC systems, considering fault protection and operating temperature?
The CSD95379Q3MT is not a direct functional replacement for the UCC27211 due to key differences: it lacks high-side voltage tolerance above 16V (vs. UCC27211’s 120V rating), making it unsuitable for 48V input systems without a pre-regulator. However, in 12V or lower input automotive buck converters, its integrated bootstrap circuit, UVLO, and shoot-through protection offer superior reliability over discrete implementations of the UCC27211. Its -40°C to 150°C TJ rating meets automotive temp requirements, but system-level validation is required to ensure compatibility with load dump and cold-crank conditions.
How does diode emulation mode in the CSD95379Q3MT affect light-load efficiency, and could it cause instability in multi-phase buck converters with interleaved timing?
Diode emulation in the CSD95379Q3MT disables synchronous rectification at light loads, preventing reverse current flow and improving efficiency by up to 10–15% at <5% load. However, in multi-phase interleaved designs, asynchronous turn-off between phases can create current imbalance and subharmonic oscillations if phase timing isn’t synchronized with the controller’s PWM logic. To mitigate this, ensure the host controller supports phase shedding with matched diode emulation thresholds across all phases. Without coordination, the CSD95379Q3MT’s fast transition into emulation mode may cause audible noise or ripple instability in tightly coupled output inductors.
What PCB layout practices are critical when using the CSD95379Q3MT in a space-constrained 20A buck converter to avoid thermal runaway or gate drive failure?
For reliable operation of the CSD95379Q3MT in compact designs, minimize high-current loop area between the driver, MOSFETs, and input capacitors to reduce parasitic inductance and switching noise. Use a solid ground plane under the 10-VSON package and connect the exposed thermal pad directly to a copper pour with multiple vias to dissipate heat—failure to do so can cause localized hot spots exceeding 150°C TJ under 20A continuous load. Also, place the bootstrap capacitor within 5mm of the device to maintain gate drive voltage stability. Poor layout increases Rds(on) effective losses and may trigger UVLO during startup, especially near the 4.5V minimum supply threshold.
Quality Assurance (QC)
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CSD95379Q3MT CAD Models
Texas Instruments CSD95379Q3MT PCB symbols & footprints
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