Overview
The MC34GD3000EP, produced by NXP USA Inc., is a field effect transistor (FET) predriver designed specifically for three-phase motor control and similar applications. This integrated circuit (IC) is fully AEC-Q100 grade 1 qualified, making it suitable for stringent automotive and industrial environments. The MC34GD3000EP utilizes SMARTMOS technology and includes three high-side and three low-side FET predrivers, along with external bootstrap capacitors to provide gate charge to the high-side FETs. It interfaces with a microcontroller (MCU) via direct input control signals, an SPI port for device setup, and asynchronous reset, enable, and interrupt signals.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VPWR Supply Voltage Startup Threshold | 6.0 | 8.0 | V | ||
| VPWR Supply Voltage Operating Range | 6.0 | 60 | V | ||
| Gate Drive Capability | 1.0 A | 2.5 A | A | ||
| Dead Time Range | 50 ns | 12 µs | |||
| Logic Input Levels | 3.3 V, 5.0 V | V | |||
| Package Type | HVQFN56 | ||||
| Package Dimensions | 8 mm x 8 mm x 0.9 mm |
Key Features
- Extended supply voltage operating range: 6.0 V to 60 V
- Gate drive capability of 1.0 A to 2.5 A
- Includes a charge pump to support full FET drive at low battery voltages
- Wide dead time range (50 ns to 12 µs) programmable via the SPI port
- Integrated overcurrent, desaturation, and phase fault-detection
- Immunity against positive or negative transient voltage spikes on the gate driver
- Current shoot-through protection built into dead time control
- Supports direct 3.3 V and 5.0 V logic interface to MCUs
- Integrated current sensing amplifier
- Device configuration and diagnostics through the SPI port
Applications
- 12 to 48 V 3-phase brushless DC (BLDC) motors
- Permanent-magnet synchronous motors (PMSM)
- Pool pumps, hospital beds, electric scooters
- Industrial robotics, pumps, fans
- Portable power tools, commercial fans/blowers
- Small kitchen appliances
Q & A
- What is the MC34GD3000EP used for?
The MC34GD3000EP is used for three-phase motor control and similar applications, particularly in automotive and industrial environments. - What is the operating voltage range of the MC34GD3000EP?
The operating voltage range is from 6.0 V to 60 V. - What are the gate drive capabilities of the MC34GD3000EP?
The gate drive capability ranges from 1.0 A to 2.5 A. - Does the MC34GD3000EP support different logic levels?
Yes, it supports both 3.3 V and 5.0 V logic levels. - What protection features does the MC34GD3000EP include?
It includes integrated overcurrent, desaturation, and phase fault-detection, as well as immunity against transient voltage spikes and current shoot-through protection. - How does the MC34GD3000EP interface with a microcontroller?
It interfaces via six direct input control signals, an SPI port for device setup, and asynchronous reset, enable, and interrupt signals. - What package type and dimensions does the MC34GD3000EP come in?
The package type is HVQFN56, with dimensions of 8 mm x 8 mm x 0.9 mm. - Is the MC34GD3000EP AEC-Q100 qualified?
Yes, it is fully AEC-Q100 grade 1 qualified. - What types of motors can the MC34GD3000EP drive?
It can drive 12 to 48 V 3-phase BLDC motors and PMSM. - What are some common applications of the MC34GD3000EP?
Common applications include pool pumps, hospital beds, electric scooters, industrial robotics, and small kitchen appliances.
