DRV8301
3-Phase BLDC Gate Driver · 6-60V · 2.3A Sink/1.7A Source · Dual Shunt Amps · SPI Config · HTSSOP-56 · Texas Instruments
| Part Number | DRV8301 |
|---|---|
| Manufacturer | Texas Instruments |
| Device Type | 3-Phase BLDC Gate Driver with Integrated Features |
| Supply Voltage (GVDD) | 6 V – 60 V |
| Gate Drive Sink Current | 2.3 A (peak) |
| Gate Drive Source Current | 1.7 A (peak) |
| Current Shunt Amplifiers | 2 × independent, programmable gain |
| Integrated Buck Regulator | 1.5 A step-down (configurable output) |
| Control Interface | SPI for configuration and fault reporting |
| Protection Features | OC, OV, UV, over-temperature, fault reporting |
| Package | HTSSOP-56 (14 × 6.1mm) |
| Operating Temperature | −40°C to +125°C |
| GVDD Operating Range | 6 V – 60 V |
|---|---|
| Gate Drive Voltage (PVDD) | 8 V – 14 V (adjustable via bootstrap) |
| Maximum Gate Drive Current (Pulsed) | 2.3 A sink / 1.7 A source |
| Shunt Amplifier Bandwidth | 600 kHz (typical) |
| Shunt Amplifier Gain Options | 10 V/V, 20 V/V, 40 V/V, 80 V/V |
| Buck Converter Output Current | Up to 1.5 A continuous |
| Buck Converter Frequency | Adjustable 200 kHz – 2.2 MHz |
| Dead Time Control | Programmable via SPI (55 ns – 480 ns) |
| Quiescent Current (Sleep) | < 10 µA |
| Thermal Shutdown | Typically 150°C with 25°C hysteresis |
| Configuration Interface | SPI (4-wire, up to 10 MHz) |
|---|---|
| Gate Drive Inputs | 6 × PWM inputs (3 high-side + 3 low-side) |
| Fault Output | nFAULT (open-drain, active-low) |
| Status Reporting | SPI register-based fault diagnostics |
| Shunt Amp Outputs | 2 × analog outputs (SO1, SO2) |
| Protection Types | OCP (cycle-by-cycle), OVP, UVLO, thermal warning/shutdown |
| Watchdog Timer | Configurable for SPI communication monitoring |
| Bootstrap Diodes | Integrated bootstrap diodes for high-side gate drive |
| EN_GATE | Hardware gate driver enable/disable pin |
| Part Number | DRV8301 |
|---|---|
| Orderable Qty | 1 pcs – 10,000+ pcs |
| Price (1–9 pcs) | Contact for quote |
| Price (10–99 pcs) | Contact for quote |
| Price (100–499 pcs) | Contact for quote |
| Price (500+ pcs) | Best pricing available |
| Lead Time (stock) | 3–7 business days |
| Packaging | Tape & Reel (T&R) |
| RoHS Compliant | Yes (Pb-free) |
Please confirm exact parameters with manufacturer datasheet.
The DRV8301 from Texas Instruments is a fully integrated 3-phase BLDC gate driver designed for high-power motor control applications. Operating from 6V to 60V, it delivers 2.3A sink and 1.7A source peak gate drive currents — sufficient to directly drive power MOSFETs for heavy-lift multirotor and industrial drone ESC designs. Packaged in a HTSSOP-56 with exposed thermal pad, the DRV8301 is the gate driver of choice for Pixhawk-based ESC reference designs and custom high-power propulsion systems.
A key architectural advantage of the DRV8301 is its dual integrated current shunt amplifiers with programmable gains of 10, 20, 40, and 80 V/V. These precision amplifiers provide clean current measurements for Field-Oriented Control (FOC) and torque control algorithms. The dual shunt configuration supports three-phase current reconstruction — measuring two phases and calculating the third — which reduces component count by 33% compared to triple-shunt designs while maintaining excellent current sensing accuracy for medium-performance FOC implementations.
The integrated 1.5A step-down buck regulator provides a complete power solution, generating the MCU supply voltage directly from the motor bus. Combined with SPI-configurable dead-time control (55 ns to 480 ns) and comprehensive fault protection including cycle-by-cycle over-current, over-voltage lockout, and thermal shutdown, the DRV8301 minimizes external component count while maximizing system reliability. The SPI interface provides detailed fault diagnostics, enabling the flight controller to identify and respond to specific fault conditions such as individual MOSFET short-circuits.
For heavy-lift UAV propulsion, the DRV8301 has been proven in field applications ranging from agricultural spray drones to cargo delivery platforms. Its 60V rating accommodates 12S LiPo configurations (50.4V maximum) with headroom for voltage spikes. The rugged −40°C to +125°C operating range and integrated bootstrap diodes make it suitable for extreme environments including high-altitude operations and desert conditions where thermal management is critical.
Key Features
- Wide 6–60V operating range — supports up to 12S LiPo drone configurations
- 2.3A sink / 1.7A source gate drive — direct drive of high-current MOSFETs
- Dual precision shunt amplifiers — clean current sensing for FOC algorithms
- SPI configuration and diagnostics — real-time fault reporting to flight controller
- Integrated 1.5A buck regulator — powers MCU from motor bus, reduces BOM
- Programmable dead-time (55–480 ns) — optimizes efficiency and EMI
- Comprehensive protection suite — OCP, OVP, UVLO, thermal warning/shutdown
- HTSSOP-56 with thermal pad — proven thermal performance at high power levels
Need DRV8301 for Your High-Power Drone ESC?
Get competitive pricing and fast delivery from UAVCHIP. Stock available for immediate shipment worldwide.
The DRV8301 is an active production part from Texas Instruments with stable availability. UAVCHIP maintains inventory with 3–7 business day lead time for standard quantities. The HTSSOP-56 package requires proper thermal management — the exposed thermal pad must be soldered to a large copper pour with thermal vias for optimal heat dissipation, especially when driving high-current MOSFETs at elevated PWM frequencies. For volume orders exceeding 500 pcs, contact our procurement team. The DRV8301 is widely used in open-source Pixhawk ESC hardware designs, making it a proven choice for custom UAV propulsion development. We also stock complementary MOSFETs (CSD19536 series) and shunt resistors for complete ESC BOM solutions.