Specifications
| Type | Description |
|---|---|
| Part Number | DRV8350 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package / Case | WQFN-32, 5.00 mm x 5.00 mm nominal body size |
| Gate Driver Topology | Triple half-bridge gate driver |
| Operating Voltage Range | 9 to 100 V |
| Supported Motor Type | Three-phase brushless DC (BLDC) motors |
| Control Methods Supported | FOC, sinusoidal current control, trapezoidal current control |
| PWM Modes | 6x, 3x, 1x, independent |
| Sensored Operation Support | 120 degree sensored operation |
| Interface Options | SPI or hardware interface |
| Peak Gate Source Current | 50 mA to 1 A |
| Peak Gate Sink Current | 100 mA to 2 A |
| Sleep Mode Current | 20 uA at VM = 48 V |
| Integrated Buck Regulator | Not included |
| Integrated Shunt Amplifiers | None |
| DRV8350H Interface | Hardware |
| DRV8350S Interface | SPI |
| Internal DVDD Regulator Output | 5 V; connect 1-uF, 6.3-V ceramic capacitor to GND |
| DVDD External Source Capability | Up to 10 mA |
| VGLS Internal Regulator Output | 11 V; connect 1-uF, 16-V ceramic capacitor to GND |
| Charge Pump Capacitor | 47 nF X5R or X7R, VDRAIN-rated ceramic capacitor between CPH and CPL |
| VCP Capacitor | 1 uF, 16 V X5R or X7R ceramic capacitor between VCP and VDRAIN |
| VM Bypass Capacitance | 0.1 uF plus >=10 uF local capacitance between VM and GND |
| Enable Low Function | Low-power sleep mode |
| Fault Reset Pulse Width | 8 to 40 us pulse on ENABLE pin can reset fault conditions |
| Fault Output Type | Open-drain active-low fault indicator; requires external pullup resistor |
| Hardware IDRIVE Setting | 7-level input pin set by external resistor |
| Hardware VDS Trip Point Setting | 7-level input pin set by external resistor |
| Hardware PWM Mode Setting | 4-level input pin set by external resistor |
| Protection Features | VM UVLO, gate-drive supply UVLO, MOSFET VDS OCP, shoot-through prevention, gate-driver fault, thermal warning, thermal shutdown, nFAULT |
| Package Thermal Pad | Exposed thermal pad |
| Datasheet Status | request_only |
Product Overview
The DRV8350 is a Texas Instruments three-phase smart gate driver for Power_Management designs using external MOSFET power stages. In the DRV835x family, the gate driver topology is a triple half-bridge gate driver intended for three-phase brushless DC motor applications.
The device family supports a 9 to 100 V gate-driver supply range and PWM control modes including 6x, 3x, 1x, and independent operation. Supported BLDC control methods include FOC, sinusoidal current control, and trapezoidal current control, with 120 degree sensored operation support.
DRV8350 device variants do not include an integrated buck regulator or integrated shunt amplifiers. Interface options include DRV8350H with a hardware interface and DRV8350S with SPI. The device is supplied in a WQFN-32 package with 5.00 mm x 5.00 mm nominal body size and an exposed thermal pad for DRV8350HRTV and DRV8350SRTV packages.
Key Features
- Triple half-bridge gate driver for DRV835x family
- 9 to 100 V gate driver operating range
- Supports three-phase brushless DC motor applications
- FOC, sinusoidal, and trapezoidal current control
- 6x, 3x, 1x, and independent PWM modes
- SPI or hardware interface device options
- Peak gate source current from 50 mA to 1 A
- Peak gate sink current from 100 mA to 2 A
- 20 uA sleep current at VM equals 48 V
- VM UVLO, VDS OCP, and thermal protection
Typical Applications
- Three-phase BLDC motor drives
- FOC motor control systems
- Sinusoidal current control drives
- Trapezoidal current control drives
- 120 degree sensored motor operation
- External MOSFET half-bridge stages
Procurement Notes
When requesting a quote for DRV8350, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What type of gate driver is the DRV8350?
The DRV8350 is a Texas Instruments three-phase smart gate driver. In the DRV835x family, it uses a triple half-bridge gate driver topology for three-phase brushless DC motor applications.
Which interfaces are available for DRV8350 variants?
The DRV8350 device family includes SPI or hardware interface options. The DRV8350H variant uses a hardware interface, while the DRV8350S variant uses an SPI interface.
Does the DRV8350 include a buck regulator or shunt amplifiers?
For the DRV8350 device variant, the integrated buck regulator is not included, and integrated shunt amplifiers are listed as none in the extracted device information.
What external capacitors are specified for DRV8350 support pins?
The extracted facts specify a 47 nF charge pump capacitor between CPH and CPL, a 1 uF 16 V capacitor between VCP and VDRAIN, and 0.1 uF plus at least 10 uF local capacitance between VM and GND.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.