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NXP Semiconductors MC34GD3000EPR2
- Part No.:
- MC34GD3000EPR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Motor Drivers, Controllers
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
MC34GD3000EPR2.pdf
- Description:
- IC MOTOR DRIVER 6V-58V 56QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,486
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Product details
Overview
MC34GD3000EPR2 from NXP Semiconductors is a three-phase FET predriver IC for automotive-grade motor control, integrating six gate drivers (3 high-side + 3 low-side), SPI-configurable dead time (50 ns–12 µs), integrated current-sensing amplifier, and charge pump for full-drive capability down to 6 V supply. It operates across 6.0–60 V VPWR, delivers 1.0–2.5 A peak gate drive, and supports 3.3 V/5.0 V MCU logic interfacing in BLDC/PMSM inverters.
For engineers reviewing the MC34GD3000EPR2 datasheet, MC34GD3000EPR2 pinout, MC34GD3000EPR2 application, or MC34GD3000EPR2 equivalent, key selection considerations include bootstrap-based high-side drive architecture, AEC-Q100 Grade 1 qualification, integrated desaturation and overcurrent fault detection, and HVQFN56 package thermal performance in 12–48 V traction and industrial motor drives.
Technical Context
The MC34GD3000EPR2 implements independent high- and low-side driver channels per phase with programmable dead-time control via SPI, preventing shoot-through while allowing external PWM override. Its SMARTMOS process integrates VDD (5.0 V) and VLS (≈15 V) regulators, a trickle-charge pump for low-battery operation, and phase-comparator outputs (PHASEA/B/C) tied to VSUP reference for commutation feedback.
Functional safety features include desaturation detection on all high-side sources, overcurrent sensing via internal amplifier (AMP_P/AMP_N → OC_TH), and asynchronous reset (RST_B) with sub-77 ns logic reset. All gate drivers tolerate ±7 V transient spikes and support negative current immunity-critical for inductive load switching in automotive 12 V/24 V/48 V systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply range | 6.0 V to 60 V VPWR - enables direct battery connection in 12–48 V automotive and industrial systems without external DC-DC pre-regulation |
| Gate drive strength | 1.0 A to 2.5 A peak - sufficient to drive high-capacitance FETs (e.g., ≤4 mΩ RDS(on), >400 nC Qg) at 20 kHz PWM |
| Dead time | 50 ns to 12 µs, SPI-programmable - allows precise timing control to prevent cross-conduction while supporting fast-switching FETs |
| Logic interface | 3.3 V and 5.0 V compatible inputs - eliminates level-shifting for mixed-voltage MCU designs |
| Integrated sensing | Current-sense amplifier with configurable OC_TH threshold - enables real-time phase current monitoring and overcurrent shutdown without external op-amps |
| Protection features | Desaturation, overcurrent, phase fault, and reverse charge-injection immunity - reduces external protection circuitry in safety-critical motor drives |
| Qualification | AEC-Q100 Grade 1 (−40 °C to +125 °C ambient) - validated for under-hood automotive applications including e-scooters and hospital beds |
Pinout & Package
HVQFN56 (SOT684-17): 8 mm × 8 mm × 0.9 mm body, 0.5 mm pitch, exposed thermal pad (EP) recommended to be connected to VSS and system ground for optimal thermal performance (RθJC = 3.0 °C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA_HS_G / PB_HS_G / PC_HS_G | High-side gate drive output | Low-impedance 1.0–2.5 A source/sink driving external N-channel FET gates; voltage limited to ≈15 V above respective HS source (PA_HS_S etc.) |
| PA_LS_G / PB_LS_G / PC_LS_G | Low-side gate drive output | Direct low-side FET gate drive with negative current immunity; referenced to respective LS source pins (PA_LS_S etc.) |
| PA_BOOT / PB_BOOT / PC_BOOT | Bootstrap capacitor input | Connects to external bootstrap cap (10–20× FET Ciss) to generate floating high-side gate bias; voltage clamped to ≈15 V |
| VPWR / VSUP / VLS / VDD | Power supply inputs/outputs | VPWR powers VDD (5.0 V logic reg.) and VLS (≈15 V gate drive reg.); VSUP references phase comparators and desat detection |
| EN1 & EN2 | Enable inputs (AND logic) | Both must be high to activate gate drivers; ensures safe initialization sequence (LS pulse before HS enable) |
| SPI interface (CS_B, SI, SCLK, SO) | Configuration & diagnostics port | 3.0 MHz (up to 5.0 MHz) serial interface for setting dead time, masking faults, reading status, and clearing INT |
| AMP_P / AMP_N / AMP_OUT / OC_TH | Current sense interface | Differential inputs feed internal amplifier; AMP_OUT feeds overcurrent comparator; OC_TH sets trip threshold (0–7 V range) |
Key Features
| Feature | Design Value |
|---|---|
| Charge pump support | Enables full high-side drive capability at VPWR as low as 6.0 V, critical for cold-crank automotive conditions |
| Integrated desaturation detection | Monitors PA_HS_S/PB_HS_S/PC_HS_S against VSUP to detect IGBT/MOSFET failure during conduction |
| Asynchronous reset (RST_B) | Forces all gate outputs low and disables internal bias within 77 ns; reduces quiescent current to ≤100 µA in sleep state |
| Phase comparator outputs (PHASEA/B/C) | Totem-pole digital signals indicating when respective high-side source voltage drops below 50 % of VSUP - used for sensorless BEMF commutation |
| Current shoot-through prevention | Hardware-enforced dead time control prevents simultaneous HS/LS activation, even when SPI or logic inputs are misconfigured |
| ESD robustness | HBM ±2000 V on boot/HS pins; ±1000 V on all other pins - meets automotive board-level ESD requirements without extra protection |
Applications
| Electric Scooter Motor Control | Hospital Bed Actuation System |
|---|---|
|
Use Scenario: Closed-loop speed/torque control of 48 V BLDC hub motor using sensorless BEMF commutation. IC Role / Device Role / Timing Role: Three-phase predriver providing synchronized HS/LS gate timing, phase voltage feedback (PHASEA/B/C), and current sensing for torque regulation. Use Value: Integrated desaturation and overcurrent protection eliminate need for discrete fault-detection circuitry, reducing BOM count and PCB area in space-constrained scooter controllers. |
Use Scenario: Precision position control of dual 24 V PMSM actuators in adjustable hospital bed frames with stall detection. IC Role / Device Role / Timing Role: Gate driver with SPI-configurable dead time and current-sense amplifier enabling adaptive current limiting during mechanical obstruction events. Use Value: AEC-Q100 Grade 1 qualification ensures reliability in medical environments; VLS regulator provides stable 15 V gate bias across wide input voltage swings during battery discharge. |
| Industrial Pool Pump Inverter | Portable Power Tool Driver |
|
Use Scenario: Variable-speed 3-phase inverter for 12–48 V brushless pool pumps operating in wet, thermally demanding environments. IC Role / Device Role / Timing Role: High-current predriver managing 20 kHz PWM switching with thermal-aware gate drive and bootstrap charging management. Use Value: HVQFN56 package with exposed pad enables efficient heat dissipation in sealed enclosures; charge pump maintains gate drive during low-line brownouts. |
Use Scenario: Compact, high-efficiency 18 V cordless power tool motor driver requiring rapid acceleration/deceleration and stall recovery. IC Role / Device Role / Timing Role: Pre-driver delivering 2.5 A peak gate current and hardware dead-time control to minimize switching losses in high-RPM operation. Use Value: Integrated current-sense amplifier and OC_TH input allow programmable torque limiting without external shunt amplifiers-reducing component count and layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar three-phase FET predriver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STSPIN32F0A | Integrated 32-bit ARM Cortex-M0 MCU + gate drivers; no external SPI host required; lower max VPWR (45 V) | Best for cost-sensitive, self-contained motor control where firmware integration is preferred over MCU-hosted control | Select when embedded motor control algorithm execution is needed on-chip; not suitable for existing MCU-based architectures requiring external SPI control |
| DRV8305-Q1 | Automotive-qualified 3-phase predriver with integrated buck converter (3.3 V/5 V); no integrated current-sense amplifier or phase comparators | Preferred for systems needing clean logic supply generation but lacking requirement for sensorless commutation or analog current monitoring | Choose when board space is constrained and external 3.3 V/5 V supplies are unavailable; requires external op-amp for current sensing |
Compared with STSPIN32F0A and DRV8305-Q1, the MC34GD3000EPR2 uniquely combines AEC-Q100 Grade 1 qualification, integrated phase comparators for sensorless BEMF, and a dedicated current-sense amplifier - making it optimal for MCU-hosted, high-reliability 12–48 V BLDC/PMSM drives requiring diagnostic depth and flexible configuration.
Availability
MC34GD3000EPR2 is available at Aetrix Electronics and suitable for electric scooter motor control, hospital bed actuation systems, and industrial pool pump inverters requiring stable component supply, long-term automotive-grade lifecycle support, and traceable sourcing.
Supply support for MC34GD3000EPR2 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in power management and motor control ICs.
The MC34GD3000EPR2 belongs to NXP's automotive-qualified SMARTMOS predriver family, designed specifically for high-efficiency, fault-resilient three-phase inverter systems in 12–48 V battery-powered mobility and medical equipment.
FAQ
What is the maximum bootstrap capacitor voltage rating supported by the MC34GD3000EPR2?
The MC34GD3000EPR2 limits bootstrap capacitor voltage to approximately 15 V, as specified in the absolute maximum ratings for VBOOT and VHS_G. This constraint applies to PA_BOOT, PB_BOOT, and PC_BOOT pins. Exceeding this voltage risks damage to internal charge pump circuitry and high-side driver stages. Designers must select capacitors rated ≥16 V with low ESR and ensure proper placement near respective HS source pins to maintain stability during fast switching.
Does the MC34GD3000EPR2 require external bootstrap diodes?
No, the MC34GD3000EPR2 does not require external bootstrap diodes. Its internal architecture includes integrated bootstrap diode functionality, with forward voltage drop specified at ≤1.2 V (typical) under 10 mA. This eliminates the need for discrete diodes in standard configurations, simplifying layout and improving reliability in high-vibration environments such as electric scooters and portable power tools.
How is the dead time configured on the MC34GD3000EPR2?
The dead time on the MC34GD3000EPR2 is configured exclusively via its SPI interface using dedicated registers accessible through CS_B, SI, SCLK, and SO pins. The programmable range spans 50 ns to 12 µs in fine-grained steps, and settings persist across enable/disable cycles but are lost after reset or power cycle unless reloaded by the host MCU. Hardware dead-time enforcement remains active even if SPI communication fails, ensuring fail-safe operation.
Can the MC34GD3000EPR2 drive both MOSFETs and IGBTs?
Yes, the MC34GD3000EPR2 is designed to drive both N-channel MOSFETs and IGBTs. Its gate drive outputs deliver 1.0–2.5 A peak current and support voltage levels up to 75 V on high-side outputs relative to their source pins. Integrated desaturation detection monitors high-side source nodes (PA_HS_S etc.) against VSUP, providing robust protection for IGBTs during saturation faults - a key requirement in industrial pump and fan inverters.
What is the purpose of the PHASEA, PHASEB, and PHASEC pins on the MC34GD3000EPR2?
The PHASEA, PHASEB, and PHASEC pins on the MC34GD3000EPR2 are totem-pole digital outputs that indicate whether the respective high-side FET source voltage is below 50 % of VSUP. These signals provide real-time phase voltage feedback for sensorless commutation algorithms in BLDC motors. Each pin operates independently and can be read directly by an MCU GPIO or interrupt input, eliminating the need for external comparators or ADC sampling in cost-sensitive applications like pool pumps and kitchen appliances.
MC34GD3000EPR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 56-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- Brushless DC (BLDC)
- Function:
- Controller - Commutation, Direction Management
- Output Configuration:
- Half Bridge (3)
- Interface:
- SPI
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- General Purpose
- Current - Output:
- -
- Voltage - Supply:
- 6V ~ 58V
- Voltage - Load:
- 6V ~ 58V
- Operating Temperature:
- -20°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 56-QFN (8x8)
MC34GD3000EPR2 FAQ
1.How can I place an order for MC34GD3000EPR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC34GD3000EPR2 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 MC34GD3000EPR2 reliable?
The price and inventory of MC34GD3000EPR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC34GD3000EPR2 is usually 5 days.
3.What payment methods are accepted for MC34GD3000EPR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC34GD3000EPR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC34GD3000EPR2?
MC34GD3000EPR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC34GD3000EPR2 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 MC34GD3000EPR2?
For technical support, including MC34GD3000EPR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC34GD3000EPR2 requirements.
6.How does Aetrix verify that MC34GD3000EPR2 is sourced from the original manufacturer or authorized distributors?
All MC34GD3000EPR2 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 MC34GD3000EPR2 meets industry standards.
7.What is the process for return or replacement of MC34GD3000EPR2?
All MC34GD3000EPR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC34GD3000EPR2, 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 MC34GD3000EPR2 part is unused and in its original packaging.
Return procedure for MC34GD3000EPR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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