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NXP Semiconductors MGD3162AM551EKT
- Part No.:
- MGD3162AM551EKT
- Manufacturer:
- NXP Semiconductors
- Category:
- Isolators - Gate Drivers
- Package:
- 32-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
MGD3162AM551EKT.pdf
- Description:
- MGD3162AM551EKT
- Quantity:
- Payment:
- Shipping:
Inventory:3,241
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Product details
Overview
MGD3162AM551EKT from NXP Semiconductors is a galvanically isolated, single-channel IGBT/SiC gate driver with integrated boost capability and active bus discharge functionality, designed for xEV traction inverters. It delivers up to 30 A sink current, supports 100 kHz PWM switching, and features dual pullup/pulldown gate outputs (GH_1/GH_2, GL_1/GL_2) for enhanced drive strength and thermal management in high-power motor drives.
For engineers reviewing the MGD3162AM551EKT datasheet, MGD3162AM551EKT pinout, MGD3162AM551EKT application, or MGD3162AM551EKT equivalent, this device is selected for automotive-grade SiC/IGBT gate control requiring ASIL D functional safety compliance, dynamic gate strength adjustment via SPI or GS_ENH/GS_ENL pins, and real-time VCE/VGE fault reporting via INTA/RTRPT and INTB.
Technical Context
The MGD3162AM551EKT implements independent turn-on (GS_ENH) and turn-off (GS_ENL) gate strength control using trilevel logic or SPI commands, enabling three programmable pullup and three pulldown drive strengths. Its internal architecture includes dual gate output stages (GH_1/GH_2 and GL_1/GL_2), active Miller clamp, desaturation detection, and 10-bit ADC with up to 8 μs programmable sampling delay.
This variant integrates Active Bus Discharge functionality-exclusive to MGD3162AM551EK and MGD3162AM581EK part numbers-allowing MCU- or safety-logic-controlled gate drive to actively discharge the DC link capacitor. It also supports VDS measurement for RDSon and junction temperature estimation, and provides fail-safe state management on both LV and HV domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation rating | Reinforced isolation per DIN V VDE V 0884-10; 5000 Vrms (1 min) per UL 1577 |
| Output drive strength | Up to 30 A sink / 10 A source selectable via gate strength configuration |
| Switching frequency support | Up to 100 kHz PWM, thermally limited |
| CMTI | >100 V/ns common-mode transient immunity |
| Functional safety | ISO 26262 ASIL D certified; AEC-Q100 Grade 1 qualified (−40 °C to +150 °C TJ) |
| Active bus discharge | Integrated MCU- or safety-logic-controlled discharge mode (MGD3162AM551EKT-specific feature) |
| VCE/VGE monitoring | Real-time cycle-by-cycle reporting via INTA/RTRPT pin or SPI interface |
Pinout & Package
MGD3162AM551EKT is housed in a 32-pin wide-body SOIC package with 0.65 mm pitch, optimized for high-voltage isolation and thermal dissipation in automotive power modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND1 (2 pins) | LV domain ground reference | Provides low-noise return path for logic and SPI interface; dual pins reduce impedance |
| GND2 (2 pins) | HV domain ground reference | Low-inductance return for gate drive outputs and high-side sensing; dual pins enhance current handling |
| GH_1, GH_2 | Gate pullup outputs | Dual-source outputs enable synchronous high-current turn-on; configurable strength reduces thermal loading during weak-drive modes |
| GL_1, GL_2 | Gate pulldown outputs | Dual-sink outputs support 2LTO (two-level turn-off) and soft shutdown; independent verification of each drive state |
| INTB | Fault status interrupt (open-drain) | Autonomously reports severe faults (desat, overtemp, UVLO); active-low, 20 mA sink capability |
| INTA/RTRPT | Configurable interrupt/report pin | Selectable output for VCE monitoring, VGE monitoring, or fault reporting; open-drain, 20 mA sink |
| GS_ENH / GS_ENL | Gate strength enable inputs | Trilevel logic inputs (low/mid/high) select among three pullup/pulldown strengths; operate independently for fine-grained timing control |
| DESAT | Desaturation sense input | Monitors IGBT/SiC VCE for short-circuit detection with <1 µs response; supports active Miller clamp |
Key Features
| Feature | Design Value |
|---|---|
| Dynamic gate strength control | Independent SPI- or pin-based selection of three pullup and three pulldown strengths enables optimized dV/dt and EMI reduction per operating condition |
| Active bus discharge | Integrated gate-driven DC link discharge function (MGD3162AM551EKT only) eliminates need for external discharge circuits in traction inverter safety architectures |
| VDS measurement capability | Enables RDSon tracking and junction temperature estimation for SiC MOSFETs without external sensors or calibration |
| Programmable ADC delay | Up to 8 μs adjustable sampling delay from PWM edge allows precise alignment with switching transitions for accurate current/voltage capture |
| Two-level turn-off (2LTO) | Combines fast initial turn-off with soft final stage to reduce voltage overshoot and current stress during fault conditions |
Applications
| Electric Vehicle Traction Inverter | Industrial Motor Drive |
|---|---|
|
Use Scenario: High-power SiC-based inverter controlling permanent magnet synchronous motor in battery electric vehicles. IC Role / Device Role / Timing Role: Isolated gate driver managing dual-phase leg switching with real-time desat and VCE monitoring. Use Value: Enables <1 µs short-circuit protection and active bus discharge during fault events, meeting ASIL D requirements for functional safety. |
Use Scenario: 100 kW variable-frequency drive for HVAC compressors and pumps in factory automation systems. IC Role / Device Role / Timing Role: Gate driver delivering programmable 30 A sink current to IGBT modules while supporting 100 kHz PWM for torque ripple reduction. Use Value: Dual GH/GL outputs and independent gate strength control minimize thermal stress and improve system efficiency across load profiles. |
| Renewable Energy Inverter | Onboard Charger (OBC) |
|
Use Scenario: Three-phase grid-tied solar inverter using discrete SiC MOSFETs in totem-pole PFC and inverter stages. IC Role / Device Role / Timing Role: Isolated driver providing VDS-based RDSon monitoring and junction temperature estimation for predictive thermal management. Use Value: Eliminates need for external temperature sensors and enables adaptive gate drive strength based on real-time die temperature. |
Use Scenario: Bidirectional OBC in plug-in hybrid vehicles, requiring fast switching and robust fault handling during AC/DC and DC/AC conversion. IC Role / Device Role / Timing Role: Gate driver implementing 2LTO and programmable ADC delay to synchronize current sensing with zero-crossing events. Use Value: Reduces voltage stress during commutation and improves power factor correction accuracy under dynamic load conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar IGBT/SiC gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MGD3162AM550EK | Lacks Active Bus Discharge functionality; otherwise identical pinout, specs, and safety certification | Suitable for traction inverters where external DC link discharge is implemented or not required | Select when bus discharge is handled externally or by system-level safety controller |
| Si827x series (Silicon Labs) | No integrated boost, lower max sink current (4 A), no VDS measurement or 2LTO; CMTI = 200 V/ns | Used in lower-power industrial drives where full ASIL D compliance is not mandated | Choose for cost-sensitive non-automotive applications with simpler protection needs |
Compared with MGD3162AM550EK, the MGD3162AM551EKT adds critical active bus discharge for ISO 26262-compliant shutdown sequences; versus Si827x, it delivers higher drive strength, integrated diagnostics, and automotive-grade functional safety-making it uniquely suited for xEV traction systems.
Availability
MGD3162AM551EKT is available at Aetrix Electronics and suitable for electric vehicle traction inverters, industrial motor drives, and renewable energy inverters requiring stable component supply, long-term automotive qualification, and ASIL D functional safety compliance.
Supply support for MGD3162AM551EKT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The GD3162 product line was developed specifically for high-reliability, high-power gate driving in xEV traction systems, integrating galvanic isolation, dynamic gate control, and ASIL D safety mechanisms into a single-package solution.
FAQ
What is the key differentiator of MGD3162AM551EKT versus other NXP GD3162 variants?
The MGD3162AM551EKT includes Active Bus Discharge functionality-a safety-critical feature absent in MGD3162AM550EK-which enables MCU- or safety-logic-controlled gate drive to actively discharge the DC link capacitor. This capability is essential for ISO 26262-compliant shutdown sequences in xEV traction inverters and is confirmed in Table 1 of the GD3162_SDS Rev. 2 datasheet.
Does MGD3162AM551EKT support both SiC MOSFETs and IGBTs?
Yes, MGD3162AM551EKT is explicitly designed to drive both latest-generation SiC MOSFETs and IGBT modules, as stated in the General Description section of the GD3162_SDS. Its programmable gate strength, desaturation detection, and VCE/VGE monitoring are optimized for short-circuit protection in both device types with sub-1 µs response time.
What isolation standard does MGD3162AM551EKT meet?
MGD3162AM551EKT meets reinforced isolation per DIN V VDE V 0884-10 and withstands 5000 Vrms for 1 minute per UL 1577, as documented in Section 2.3 of the GD3162_SDS. These certifications validate its suitability for high-voltage automotive applications up to 150 °C junction temperature.
How is gate drive strength controlled on MGD3162AM551EKT?
MGD3162AM551EKT supports dual-mode gate strength control: via SPI commands or through trilevel logic applied to GS_ENH (turn-on) and GS_ENL (turn-off) pins. Each input selects among three discrete pullup or pulldown strengths, and the two controls operate independently to optimize switching behavior-details are specified in Sections 1 and 2.1 of the GD3162_SDS.
What safety certifications apply to MGD3162AM551EKT?
MGD3162AM551EKT is certified to ISO 26262 ASIL D for functional safety and qualified to AEC-Q100 Grade 1 (−40 °C to +150 °C). It includes built-in self-test (BIST), SPI CRC error checking, continuous watchdog across the isolation barrier, and dedicated fail-safe state management pins on both LV and HV domains per Section 2.2 of the GD3162_SDS.
MGD3162AM551EKT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 32-BSSOP (0.295", 7.50mm Width)
- Packaging:
- Tray
- Product Status:
- Active
- Technology:
- Magnetic Coupling
- Number of Channels:
- 1
- Voltage - Isolation:
- -
- Common Mode Transient Immunity (Min):
- 100V/ns
- Propagation Delay tpLH / tpHL (Max):
- -
- Pulse Width Distortion (Max):
- -
- Rise / Fall Time (Typ):
- -
- Current - Output High, Low:
- -
- Current - Peak Output:
- -
- Voltage - Forward (Vf) (Typ):
- -
- Current - DC Forward (If) (Max):
- -
- Voltage - Output Supply:
- 0.3V ~ 25V
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Operating Temperature:
- -40°C ~ 150°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-SOIC
- Approval Agency:
- VDE
MGD3162AM551EKT FAQ
1.How can I place an order for MGD3162AM551EKT through Aetrix?
Please submit a Request for Quotation (RFQ) for MGD3162AM551EKT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MGD3162AM551EKT reliable?
The price and inventory of MGD3162AM551EKT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MGD3162AM551EKT is usually 5 days.
3.What payment methods are accepted for MGD3162AM551EKT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MGD3162AM551EKT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MGD3162AM551EKT?
MGD3162AM551EKT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MGD3162AM551EKT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MGD3162AM551EKT?
For technical support, including MGD3162AM551EKT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MGD3162AM551EKT requirements.
6.How does Aetrix verify that MGD3162AM551EKT is sourced from the original manufacturer or authorized distributors?
All MGD3162AM551EKT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MGD3162AM551EKT meets industry standards.
7.What is the process for return or replacement of MGD3162AM551EKT?
All MGD3162AM551EKT units undergo pre-shipment inspection (PSI). If there is an issue with MGD3162AM551EKT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MGD3162AM551EKT part is unused and in its original packaging.
Return procedure for MGD3162AM551EKT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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