Overview
The DRV3205-Q1 is a three-phase automotive gate driver designed by Texas Instruments for motor control applications. This device is AEC-Q100 qualified, ensuring it meets stringent automotive standards. It operates over a wide temperature range from –40°C to +125°C, making it suitable for various harsh automotive environments. The DRV3205-Q1 features a three-phase bridge driver configuration, supporting 12-V and 24-V applications, and includes three integrated high-accuracy current sense amplifiers. It also incorporates an integrated boost converter to provide the necessary gate drive voltage, even at low battery voltages down to 4.75 V.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 4.75 | - | 40 | V |
| Supply Voltage for Digital I/Os (VDDIO) | 2.97 | - | 5.5 | V |
| PWM Switching Frequency (ƒPWM) | 0 | - | 20 | kHz |
| Operating Junction Temperature (TJ) | -40 | - | 150 | °C |
| Storage Temperature (Tstg) | -55 | - | 165 | °C |
| Junction-to-Ambient Thermal Resistance (RθJA) | - | 25.7 | - | °C/W |
Key Features
- AEC-Q100 Qualified for Automotive Applications
- Three-Phase Bridge Driver for Motor Control
- Suitable for 12-V and 24-V Applications
- Three Integrated High-Accuracy Current Sense Amplifiers
- Integrated Boost Converter, Gate Drive to 4.75 V
- Drives 6 Separate N-Channel Power MOSFETs
- Strong 1-A Gate Drive for High-Current FETs
- Programmable Dead Time
- PWM Frequency up to 20 kHz
- Supports 100% Duty Cycle Operation
- Short-Circuit Protection, VDS-Monitoring, and Shunt Current Limit
- Overvoltage and Undervoltage Protection
- Overtemperature Warning and Shut Down
- Sophisticated Failure Detection and Handling Through SPI
- System Supervision: Q&A Watchdog, I/O Supply Monitoring, ADREF Monitoring
- Programmable Internal Fault Diagnostics
- Sleep Mode Function
- Thermally-Enhanced 48-Pin HTQFP PowerPAD™ IC Package
Applications
- Automotive Motor-Control Applications:
- Electrical Power Steering (EPS, EHPS)
- Electrical Brake and Brake Assist
- Transmission
- Pumps
- Industrial Motor-Control Applications
Q & A
- What is the operating temperature range of the DRV3205-Q1?
The DRV3205-Q1 operates over a temperature range from –40°C to +125°C.
- What is the maximum PWM switching frequency supported by the DRV3205-Q1?
The DRV3205-Q1 supports a PWM switching frequency up to 20 kHz.
- Does the DRV3205-Q1 have integrated current sense amplifiers?
Yes, the DRV3205-Q1 includes three integrated high-accuracy current sense amplifiers.
- What type of protection does the DRV3205-Q1 offer?
The DRV3205-Q1 offers short-circuit protection, VDS-monitoring, shunt current limit, overvoltage and undervoltage protection, and overtemperature warning and shut down.
- How does the DRV3205-Q1 handle failure detection and system supervision?
The DRV3205-Q1 handles failure detection and system supervision through an SPI interface, including a Q&A watchdog, I/O supply monitoring, and ADREF monitoring.
- What is the package type of the DRV3205-Q1?
The DRV3205-Q1 is available in a thermally-enhanced 48-Pin HTQFP PowerPAD™ IC package.
- Can the DRV3205-Q1 support 100% duty cycle operation?
Yes, the DRV3205-Q1 supports 100% duty cycle operation.
- What is the gate drive strength of the DRV3205-Q1?
The DRV3205-Q1 has a strong 1-A gate drive suitable for high-current FETs.
- Does the DRV3205-Q1 have a sleep mode function?
Yes, the DRV3205-Q1 includes a sleep mode function.
- What are the typical applications of the DRV3205-Q1?
The DRV3205-Q1 is typically used in automotive motor-control applications such as electrical power steering, electrical brake and brake assist, transmission, and pumps, as well as in industrial motor-control applications.
