Overview
The MC33039DR2G, produced by onsemi, is a high-performance closed-loop speed control adapter designed specifically for use in brushless DC motor control systems. This device eliminates the need for a magnetic or optical tachometer, allowing for precise speed regulation. It is primarily intended for use with the MC33035 brushless motor controller but can be used in various other closed-loop speed control applications.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Supply Operating Voltage Range | VCC | 5.5 | - | 8.25 | V |
| Power Supply Current | ICC | 1.8 | 3.9 | 5.0 | mA |
| Zener Voltage (IZ = 10 mA) | VZ | 7.5 | 8.25 | 9.0 | V |
| Operating Ambient Temperature Range | TA | -40 | - | 85 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
| Maximum Power Dissipation @ TA = +85°C | PD | - | - | 100 | mW |
| Thermal Resistance, Junction-to-Air | RJA | - | - | 650 | °C/W |
| Output Pulse Width (Pin 5) | tPW | 205 | 225 | 245 | μs |
| Logic Input Current (Pins 1, 2, 3) High State | IIH | -40 | - | -80 | μA |
| Logic Input Current (Pins 1, 2, 3) Low State | IIL | -190 | - | -380 | μA |
Key Features
- Digital detection of each input transition for improved low-speed motor operation.
- TTL compatible inputs with hysteresis for noise immunity.
- Operation down to 5.5 V for direct powering from the MC33035 reference.
- Internal shunt regulator allows operation from a non-regulated voltage source.
- Inverter output for easy conversion between 60°/300° and 120°/240° sensor phasing conventions.
- Pb-free packages are available.
- Programmable monostable and output sections.
Applications
- Industrial Automation: Precise motor control for production lines and machinery, such as conveyor belts and robotic arms.
- Consumer Electronics: Devices like drones or automated vacuum cleaners that require efficient and reliable motor control.
- Transportation and Logistics: Automated guided vehicles (AGVs) used in warehouses for material handling.
- Robotics and Drones: Accurate motor management for tasks ranging from simple movements to complex maneuvers.
Q & A
- What is the primary function of the MC33039DR2G?
The MC33039DR2G is a high-performance closed-loop speed control adapter designed for use in brushless DC motor control systems, allowing precise speed regulation without the need for a magnetic or optical tachometer.
- What are the operating temperature ranges for the MC33039 and NCV33039?
The MC33039 operates from -40°C to +85°C, while the NCV33039 operates from -40°C to +125°C.
- What is the minimum supply voltage for the MC33039DR2G?
The minimum supply voltage is 5.5 V.
- What is the purpose of the internal shunt regulator?
The internal shunt regulator allows the device to operate from a non-regulated voltage source.
- What is the function of the inverter output?
The inverter output is used for easy conversion between 60°/300° and 120°/240° sensor phasing conventions.
- What types of packages are available for the MC33039DR2G?
The device is available in SOIC-8 and PDIP-8 packages, with Pb-free options.
- How does the device handle input transitions?
The device digitally detects each input transition, improving low-speed motor operation.
- What is the typical output pulse width?
The typical output pulse width is between 205 μs and 245 μs.
- What are some potential industry applications for the MC33039DR2G?
Potential applications include industrial automation, consumer electronics, transportation and logistics, and robotics and drones.
- Where can I find the MC33039DR2G for purchase?
The MC33039DR2G can be found through distributors such as Mouser Electronics, DigiKey, and Future Electronics, or by checking findchips.com for real-time pricing and availability.
