Overview
The DRV8353RSRGZR is a highly integrated three-phase gate driver optimized for brushless DC (BLDC) and PMSM motor applications. Designed to support up to 100 V motor supply systems, it provides robust low-side or high-side gate drive capability for external MOSFETs. With programmable gate currents up to 1.5 A source and 2.5 A sink, integrated three bidirectional current-shunt amplifiers, advanced protection features, and SPI communication, the device enables precise motor control, high efficiency, and safe operation in demanding industrial and automotive environments.
Core Parameters
| Parameter | Specification |
|---|---|
| Supply Voltage (VM) | 6.5 V to 100 V |
| Gate Drive Voltage | Up to 12 V |
| Gate Drive Current | 1.5 A source / 2.5 A sink |
| Number of Half-Bridges | 3 (three-phase support) |
| Current-Sense Amplifiers | 3 integrated, programmable gain |
| Control Interface | SPI |
| Peak Drive Current | 3 A (short pulses) |
| Operating Temperature | –40°C to +125°C |
| Protection | OCP, OVP, UVLO, OT, charge pump UV |
| Package | VQFN-40 (RGZ), 5 × 5 mm |
Features
- 100-V three-phase gate driver suitable for high-power BLDC and PMSM motors
- Programmable gate drive up to 1.5 A (source) and 2.5 A (sink) for fine MOSFET control
- Three integrated bidirectional current-shunt amplifiers with adjustable gain
- SPI interface enabling configuration, diagnostics, and system monitoring
- Supports 6x PWM, 3x PWM, and 1x PWM control modes
- Integrated charge pump ensures full gate voltage at high duty cycles
- Comprehensive protection including:
- Overcurrent
- Overtemperature
- Undervoltage
- Gate-driver fault detection
- Shoot-through prevention
- Low-power sleep mode for energy-efficient standby operation
- Compact 5 × 5 mm VQFN package, ideal for tight PCB layouts
Typical Application Scenarios
| Application | Why DRV8353RSRGZR Fits |
|---|---|
| BLDC Motor Control | High current gate drive and integrated sensing simplify driver design |
| PMSM Industrial Motors | 100-V rating supports high-power industrial systems |
| Power Tools | Fast switching and strong protection improve motor performance |
| e-Bikes and Light Electric Vehicles | Integrated current sensing reduces system BOM and improves efficiency |
| HVAC Systems and Pumps | Low noise, high precision control |
| Robotics & Automation | SPI diagnostics and programmability enhance control accuracy |
In motor control applications using the DRV8353RSRGZR three-phase gate driver, designers often incorporate a low-ohmic current sense resistor like the WSHP28181L000FEA to accurately monitor phase currents. This enhances current regulation, protection, and feedback performance in BLDC and PMSM drive systems.
Performance Comparison
| Feature | DRV8353RSRGZR | Standard Gate Driver | Advanced Integrated Driver |
|---|---|---|---|
| Max VM Voltage | 100 V | 40–60 V | 80–100 V |
| Gate Drive Current | 1.5 A / 2.5 A | 0.5–1 A | 1–4 A |
| Current-Shunt Amplifiers | 3 integrated | External needed | 1–3 internal |
| Control Interface | SPI | No | Yes |
| Protection Features | Full suite | Partial | Full |
| Integration Level | High | Low–Medium | High |
The DRV8353RSRGZR provides an excellent balance of gate drive strength, sensing integration, and protection for mid-to-high power three-phase BLDC solutions.
Conclusion
The DRV8353RSRGZR is a powerful and flexible three-phase gate driver designed for high-performance BLDC and PMSM motors. Its combination of 100-V capability, strong gate drive, integrated current amplifiers, and SPI programmability significantly reduces external component count while enabling precise motor control. With comprehensive protection and industrial temperature support, it is well suited for motor drives in tools, robotics, HVAC, and high-efficiency industrial systems.
Manufacturer Profile
The DRV8353RSRGZR is manufactured by Texas Instruments (TI), a global leader in analog, mixed-signal, and motor-control semiconductor technology. TI’s motor-driver portfolio is widely adopted in industrial automation, consumer equipment, and electric mobility applications for its reliability, integration, and strong system-level performance.
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