Basic Product Information
Part Number: DRV8301DCAR
| Field |
Value |
| Manufacturer |
Texas Instruments (TI) |
| Device Type |
DRV8301DCAR |
| Package |
56-HTSSOP (DCA), 14.1mm x 6.2mm x 1.05mm, PowerTFSOP with exposed thermal pad |
| Model Interpretation |
DRV = TI motor driver family, 8301 = three-phase gate driver with buck converter, DCA = HTSSOP-56 package, R = Tape & Reel packaging |
| Compliance |
RoHS3 Compliant, REACH Unaffected, NiPdAu lead finish |
| Grade |
Catalog (Industrial) |
Core Electrical Parameters
| Parameter |
Value |
Unit |
| Topology |
Three-Phase Half-Bridge Pre-Driver |
— |
| Supply Voltage Range (PVDD) |
6 — 60 |
V |
| Absolute Maximum Supply Voltage |
65 |
V |
| Buck Converter Input (PVDD2) |
3.5 — 60 |
V |
| Gate Drive Source Current |
1.7 |
A (peak) |
| Gate Drive Sink Current |
2.3 |
A (peak) |
| Maximum Average Gate Drive Current |
30 |
mA |
| Maximum Gate Switching Frequency |
200 |
kHz |
| Number of Half-Bridge Drivers |
3 |
— |
| MOSFET Technology |
N-Channel (external) |
— |
| Bootstrap Architecture |
Yes, with trickle charge for 100% duty cycle |
— |
| PWM Input Modes |
6-PWM or 3-PWM |
— |
| Programmable Dead Time Range |
50 — 500 |
ns |
| Current Shunt Amplifiers |
2 (dual, bidirectional, adjustable gain) |
— |
| Amplifier Output Offset Range |
Up to 3 |
V |
| Integrated Buck Converter Output |
Up to 1.5 |
A |
| Buck Output Voltage |
Adjustable |
V |
| Interface |
SPI (fault reporting and parameter configuration) |
— |
| Logic Voltage Support |
3.3 V / 5 V |
— |
| Operating Temperature Range |
-40 to +125 |
°C |
| Junction Temperature (Absolute Max) |
150 |
°C |
| Thermal Resistance (RθJA) |
30.3 |
°C/W |
| MSL Rating |
Level-3 (260°C, 168 HR) |
— |
| Sleep Mode Current |
10 (typical) |
µA |
| ESD Rating (HBM) |
±2000 |
V |
Core Features & Advantages
The DRV8301DCAR delivers exceptional performance for three-phase brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drive applications. It integrates the three critical motor drive subsystems — gate driver, current sensing, and auxiliary power — into a single 56-pin HTSSOP package, dramatically reducing BOM count and PCB footprint.
- Primary Function: Three-phase BLDC/PMSM motor gate pre-driver for driving external N-channel MOSFET power stages in applications from 6V to 60V supply
- Key Advantages:
- Triple Integration: Combines a 3-phase gate driver, dual bidirectional current shunt amplifiers with adjustable gain/offset, and a 1.5A buck converter into one IC — eliminating up to 15 external components compared to discrete implementations.
- 100% Duty Cycle Bootstrap: Trickle charge circuitry maintains bootstrap capacitor charge even during extended high-side on-time, enabling true 100% duty cycle operation without external refresh circuitry — critical for motor stall and low-speed high-torque scenarios.
- Programmable Protection Suite via SPI: Programmable dead time control (50–500 ns), overcurrent protection threshold via VDS sensing, GVDD overvoltage lockout, PVDD undervoltage lockout, and overtemperature warning/shutdown (OTW/OTS) — all fault conditions reported through nFAULT, nOCTW pins and SPI registers.
- Slew Rate Control for EMI: SPI-programmable gate driver slew rate reduces electromagnetic interference in noise-sensitive environments such as medical devices and precision instrumentation, without sacrificing switching efficiency.
- Integrated 1.5A Buck Converter: Provides adjustable output voltage and switching frequency to power the MCU, sensors, and additional system circuitry directly from the motor supply rail — eliminating a separate DC-DC converter IC.
- 6-PWM / 3-PWM Flexibility: Supports both independent 6-PWM control mode (separate high-side/low-side inputs) and simplified 3-PWM mode with built-in commutation logic, accommodating a wide range of MCU capabilities and control algorithms.
Typical Application Scenarios
- Industry: Industrial Automation / Robotics / Electric Vehicles / Medical Devices / Consumer Electronics / HVAC
- Equipment: BLDC motor drives, PMSM servo controllers, drone propulsion systems, AGV drive modules, electric bicycle controllers, HVAC fan drives, medical pump controllers, CNC spindle drives
- Use Cases:
- Three-phase BLDC motor drive for industrial automation and robotics, where 24V–48V supply rails and 5A–20A continuous current through external MOSFETs are standard
- Electric bicycle and light EV motor controllers requiring integrated buck converter to power the MCU directly from the battery pack
- Medical device motor control (pumps, surgical tools) demanding low EMI via slew rate control and comprehensive fault reporting through SPI
- Drone and UAV propulsion systems requiring 100% duty cycle capability for rapid throttle response and motor stall recovery
Market Reference Price
| Market |
Price Range |
Currency |
| Huaqiangbei Spot |
$1.26 – $5.00 |
USD |
| Overseas B2B |
$3.45 – $7.56 |
USD |
Note: Prices vary significantly by quantity and supplier. TI direct pricing: 1-9 units at $6.34, 100-249 at $5.17, 1000+ at $3.45. DigiKey/Mouser: $4.22-$7.56 depending on quantity and packaging. Huaqiangbei spot market offers lower pricing but requires careful authenticity verification. Device is in Active status with 18-week factory lead time. Contact suppliers for exact quotes.
Related Models Comparison
| Model |
Difference |
Target Application |
| DRV8301DCA |
Same die, Tube packaging (35 pcs/tube) instead of Tape & Reel; slightly higher unit price at low volumes |
Prototyping and low-volume production |
| DRV8302DCAR |
Same 3-phase gate driver without SPI; uses hardware pins for configuration; no integrated buck converter |
Cost-sensitive designs not requiring SPI fault reporting or buck converter |
| DRV8305 |
Next-generation architecture with 3 current sense amplifiers (vs. 2); SPI-controlled; lower gate drive current; enhanced diagnostics |
New designs requiring 3-shunt current sensing for FOC algorithms |
| DRV8343-Q1 |
TI’s recommended upgrade for DRV8301-Q1; automotive AEC-Q100 qualified; 3 current-sense amplifiers; smart gate driver architecture |
Automotive motor drive applications requiring AEC-Q100 qualification |
| DRV8301QDCARQ1 |
Automotive-grade (AEC-Q100) version of DRV8301DCAR; identical functionality; qualified to Grade 1 (-40°C to 125°C); NRND status |
Legacy automotive designs already qualified with DRV8301-Q1 |
| TMC6100 (ADI/Trinamic) |
Alternative 3-phase BLDC gate driver; low-side current sensing; StealthChop silent operation; no integrated buck converter |
Noise-sensitive BLDC/PMSM applications prioritizing acoustic performance |
