DRV8308RHAT vs DRV8303DCAR Comparison
Detailed side-by-side comparison of DRV8308RHAT by Texas Instruments and DRV8303DCAR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
DRV8308RHAT - 42V Sensored BLDC Gate Driver w/ SPI | Texas Instruments
DRV8308RHAT ✓ Active
Specification Comparison
| Parameter | DRV8308RHAT | DRV8303DCAR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Motor Drivers | Motor Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.04 | $3.95 |
| Product Type | BLDC motor pre-driver / gate driver | Three-phase gate driver (pre-driver) with dual current-shunt amplifiers |
| Motor Type | 3-phase brushless DC (BLDC) | — |
| Supply Voltage Range | 8.5 V to 32 V | — |
| Absolute Maximum Supply Voltage | 42 V | — |
| Number of Outputs | 3 (3-phase) | — |
| Gate-Drive Current | 10 mA to 130 mA (configurable) | — |
| Number of External FETs Driven | 6 (N-channel MOSFETs) | — |
| Control Interface | SPI | — |
| Commutation Method | Sensored trapezoidal + sensorless sinusoidal via 1 Hall sensor | — |
| Hall Sensor Inputs | 3 (60-deg or 120-deg configurable) | — |
| Package | VQFN-40 (RHA) 6x6 mm with thermal pad | HTSSOP-48 (DCA) with PowerPAD, 12.5 mm × 6.1 mm |
| Operating Temperature | -40 C to +85 C | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 2 (per JEDEC J-STD-020) | 3 (per TI product page) |
| Lead-Free / RoHS | Yes / Compliant | — |
| Topology | — | Three half-bridge pre-drivers for external N-channel MOSFETs |
| Peak Source Gate Current | — | 1.7 A |
| Peak Sink Gate Current | — | 2.3 A |
| Maximum Supply Voltage (VBS/VGLS abs max) | — | 65 V |
| Operating Supply Voltage (VM) | — | 6 V to 60 V |
| Logic Supply Voltage (VDD) | — | 3.3 V or 5 V (1.8 V compatible inputs) |
| Number of Half-Bridge Channels | — | 3 |
| Integrated Current-Shunt Amplifiers | — | 2 (bidirectional, programmable gain) |
| Current-Shunt Amplifier Gain Settings | — | 5 / 10 / 20 / 40 V/VIA (SPI configurable) |
| Interface | — | SPI (configuration) + 6 PWM inputs (EN, IN, GH) |
| Bootstrap Architecture | — | Integrated bootstrap diode with trickle-charge pump, supports 100% duty cycle |
| Dead-Time Control | — | Programmable via SPI |
| Protection Features | — | UVLO (gate-drive and bootstrap), OC (programmable), OT warning, OT shutdown, phase fault from SPIs |
| Operating Temperature Range | — | -40 °C to +125 °C |
| RoHS Status | — | Compliant |
| Lead-Free | — | Yes |