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Texas Instruments DRV3245AEPHPRQ1
- Part No.:
- DRV3245AEPHPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- 48-PowerTQFP
- Datasheet:
-
DRV3245AEPHPRQ1.pdf
- Description:
- DRIVER
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
DRV3245AEPHPRQ1 from Texas Instruments is an AEC-Q100 Grade 0 automotive 3-phase gate driver IC with integrated current-shunt amplifiers, phase comparators, and SPI diagnostics. It drives three half-bridge N-channel MOSFET pairs (3P+2N topology), operates from 4.5 V to 45 V, supports 3-/6-PWM control up to 20 kHz, and delivers programmable peak gate drive current up to 1 A for high-temperature motor control in automated transmission systems.
For engineers reviewing the DRV3245AEPHPRQ1 datasheet, DRV3245AEPHPRQ1 pinout, DRV3245AEPHPRQ1 application, or DRV3245AEPHPRQ1 equivalent, key selection criteria include its 3-shunt amplifier configuration, -40°C to +150°C operating range, HTQFP-48 PowerPAD™ package with thermal pad, SPI-based real-time fault reporting, and shoot-through prevention logic - all critical for functional safety-compliant automotive BLDC/PMSM drives.
Technical Context
The DRV3245AEPHPRQ1 implements a charge-pump gate driver architecture enabling 100% duty cycle operation during cold-crank conditions down to 4.5 V battery input. Its integrated analog front-end includes three independent current-shunt amplifiers with configurable gain and bandwidth, plus three phase comparators feeding status directly into the SPI register map.
Control logic supports both 3-PWM (center-aligned) and 6-PWM (independent high/low-side) commutation modes, with programmable dead-time insertion and real-time VGS monitoring per channel. All protection blocks - including VDS overcurrent detection, overtemperature warning, clock monitor, and SPI CRC - are independently configurable and reportable via dedicated status bits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Voltage | 4.5 V to 45 V - supports full automotive battery range including cold-crank (4.5 V) and load-dump transients (45 V). |
| Temperature Grade | AEC-Q100 Grade 0 (–40°C to +150°C TA) - qualified for under-hood automotive environments without derating. |
| Gate Drive Current | Programmable up to 1 A peak - enables fast switching of low-RDS(on) MOSFETs while minimizing Miller plateau time. |
| Current Sensing | 3 integrated shunt amplifiers - eliminates external op-amps and resistors for motor phase current measurement. |
| Digital Interface | SPI with CRC and clock monitor - provides robust configuration, real-time diagnostics, and fault logging for ASIL-B/C systems. |
| Package | HTQFP-48 (PHP) with exposed thermal pad - 7.0 mm × 7.0 mm footprint with PowerPAD™ for >2.5 W thermal dissipation. |
| Protection Features | MOSFET shoot-through prevention, VDS overcurrent monitors, gate-source voltage real-time monitor, analog BIST - enables self-checking per ISO 26262 requirements. |
Pinout & Package
DRV3245AEPHPRQ1 is housed in a thermally enhanced 48-pin HTQFP (PHP) package with an exposed PowerPAD™ thermal pad on the underside. The package measures 7.0 mm × 7.0 mm with 0.5 mm pitch and is rated MSL-3 (260°C peak reflow, 168 hr floor life).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Supply Input | Primary 4.5–45 V power rail for gate drivers and internal regulators. |
| VDDIO | I/O Supply | Separate 3.3 V or 5 V supply for digital interface and SPI logic. |
| nFAULT | Open-Drain Fault Output | Active-low indicator signaling any internal fault (VDS, overtemp, SPI CRC, etc.) to MCU. |
| SHUNT_A/B/C | Shunt Amplifier Inputs | Differential inputs for three motor phase current sense resistors (supports bidirectional sensing). |
| PHASE_U/V/W | Phase Comparator Inputs | Inputs for back-EMF zero-crossing detection in sensorless BLDC commutation. |
| OUT_UH/UL, VH/VL, WH/WL | Gate Driver Outputs | Six high- and low-side gate drive outputs for three half-bridges (3P+2N configuration). |
| SPI_CS/SCLK/MOSI/MISO | SPI Interface | Full-duplex serial interface for configuration, status readback, and diagnostic logging. |
Key Features
| Feature | Design Value |
|---|---|
| Charge-pump gate driver | Enables 100% duty cycle operation at low battery voltages (down to 4.5 V), eliminating need for external boost supply. |
| 3 integrated current-shunt amplifiers | Reduces BOM count by removing 3 op-amps, reference buffers, and layout-sensitive routing for phase current sensing. |
| Real-time phase comparators | Provides hardware-accelerated back-EMF zero-crossing detection for sensorless commutation without CPU overhead. |
| Programmable dead-time control | Configurable per half-bridge (10–500 ns steps) to prevent shoot-through while optimizing efficiency across temperature and process variation. |
| SPI-based diagnostics | Reports 12+ fault types (VDS, overtemp, clock failure, CRC error) with individual maskable interrupts and historical logging. |
Applications
| Automated Manual Transmission (AMT) | Electric Power Steering (EPS) |
|---|---|
|
Use Scenario: Precise torque-controlled actuation of clutch and gear-shift solenoids in harsh under-hood environments. IC Role / Device Role / Timing Role: 3-phase gate driver with integrated current sensing and fault reporting for closed-loop motor position control. Use Value: Eliminates external current-sense amplifiers and discrete protection ICs, reducing PCB area by >35% and improving ASIL-B compliance through hardware-monitored diagnostics. |
Use Scenario: High-reliability assist motor control in steering column modules requiring continuous torque delivery and fail-safe shutdown. IC Role / Device Role / Timing Role: Functional safety-aware gate driver with real-time VGS monitoring and overtemperature warning for torque motor FETs. Use Value: Enables single-chip motor control with ISO 26262-compliant diagnostics - no external watchdog or analog monitor required for ASIL-B system certification. |
| Transfer Case Actuation | Pump Motor Control (HVAC/Brake) |
|
Use Scenario: Bidirectional 12 V/24 V brushless motor control for automatic 4WD engagement in off-road vehicles. IC Role / Device Role / Timing Role: 3-phase GDU with 3-shunt sensing and SPI-configurable PWM timing for smooth ramp-up/ramp-down transitions. Use Value: Supports 20 kHz PWM switching with <50 ns propagation delay matching, enabling low-acoustic-noise operation without external gate resistors. |
Use Scenario: Compact, thermally constrained HVAC blower or brake vacuum pump motor drive in EV/HEV platforms. IC Role / Device Role / Timing Role: High-efficiency gate driver with integrated thermal pad and 1.2 mm max height for space-constrained modules. Use Value: Delivers >2.5 W thermal dissipation in 7 mm × 7 mm footprint - enables direct mounting on aluminum heat spreaders without heatsinks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-phase gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DRV3245BEPHPRQ1 | 2 integrated shunt amplifiers (vs. 3); real-time phase comparator outputs on digital pins (not SPI-mapped). | Suitable for cost-sensitive EPS or pump designs where only two-phase current sensing is required. | Select when BOM reduction prioritizes fewer shunt amps over SPI-based diagnostics consolidation. |
| DRV3255QPWPRQ1 | Higher 2-A peak gate drive; adds integrated pre-driver stage; supports 60-V absolute max rating. | Better suited for 48 V mild-hybrid systems or higher-power transfer case actuators requiring faster switching. | Choose when driving larger MOSFETs (>100 A peak) or operating beyond 45 V transient conditions. |
Compared with DRV3245BEPHPRQ1, the DRV3245AEPHPRQ1 provides superior diagnostic integration via SPI-mapped shunt and phase data, while compared with DRV3255QPWPRQ1, it offers tighter thermal packaging and lower system cost for 12 V/24 V Grade 0 applications - making it optimal for space- and safety-critical AMT/EPS modules.
Availability
DRV3245AEPHPRQ1 is available at Aetrix Electronics and suitable for automated manual transmission, electric power steering, and transfer case actuation requiring stable component supply across automotive production lifecycles.
Supply support for DRV3245AEPHPRQ1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and automotive-grade ICs, with decades of functional safety expertise and AEC-Q100 qualification infrastructure.
The DRV3245AEPHPRQ1 belongs to TI's SafeTI™-compliant motor driver portfolio, designed specifically for ASIL-B/C automotive subsystems requiring integrated diagnostics, thermal resilience, and high-voltage robustness in under-hood motor control.
FAQ
What is the maximum operating temperature of the DRV3245AEPHPRQ1?
The DRV3245AEPHPRQ1 is qualified to AEC-Q100 Grade 0, supporting continuous operation from –40°C to +150°C ambient temperature (TA). This rating is validated across all electrical parameters and protection features, enabling direct placement in high-temperature zones such as transmission control units without thermal derating.
Does the DRV3245AEPHPRQ1 support both 3-PWM and 6-PWM control modes?
Yes, the DRV3245AEPHPRQ1 natively supports both 3-PWM (three-input center-aligned) and 6-PWM (six-input independent high/low-side) commutation modes up to 20 kHz. Mode selection is configured via SPI register bits, and dead-time is programmable per half-bridge to ensure safe switching under all operating conditions.
How many current-shunt amplifiers does the DRV3245AEPHPRQ1 integrate?
The DRV3245AEPHPRQ1 integrates three precision current-shunt amplifiers (SHUNT_A, SHUNT_B, SHUNT_C), each with differential inputs, programmable gain, and rail-to-rail output. These are explicitly designated for motor phase current sensing in three-phase BLDC/PMSM topologies and eliminate the need for external amplification circuitry.
What package type and thermal characteristics does the DRV3245AEPHPRQ1 use?
The DRV3245AEPHPRQ1 uses a 48-pin HTQFP (PHP) package with an exposed PowerPAD™ thermal pad measuring 7.0 mm × 7.0 mm. Its thermal resistance θJA is 29.5°C/W (JEDEC standard board), and the package supports >2.5 W continuous power dissipation when soldered to a 4-layer PCB with 4×4 thermal vias under the pad.
Is the DRV3245AEPHPRQ1 compliant with ISO 26262 functional safety requirements?
Yes, the DRV3245AEPHPRQ1 is developed according to ISO 26262 requirements for ASIL-B/C systems and carries the SafeTI™ designation. It includes hardware-level diagnostics such as SPI CRC, clock monitor, analog BIST, and configurable fault reporting - all documented in TI's FMEDA report and safety manual for the DRV3245E-Q1 family.
DRV3245AEPHPRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 48-PowerTQFP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Motor Type - Stepper:
- Multiphase
- Motor Type - AC, DC:
- Brushless DC (BLDC)
- Function:
- Driver
- Output Configuration:
- Half Bridge (3)
- Interface:
- PWM, SPI
- Technology:
- NMOS
- Step Resolution:
- -
- Applications:
- -
- Current - Output:
- 1A
- Voltage - Supply:
- 4.5V ~ 45V
- Voltage - Load:
- 4.5V ~ 45V
- Operating Temperature:
- -40°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-HTQFP (7x7)
DRV3245AEPHPRQ1 FAQ
1.How can I place an order for DRV3245AEPHPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV3245AEPHPRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DRV3245AEPHPRQ1 reliable?
The price and inventory of DRV3245AEPHPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV3245AEPHPRQ1 is usually 5 days.
3.What payment methods are accepted for DRV3245AEPHPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV3245AEPHPRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV3245AEPHPRQ1?
DRV3245AEPHPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV3245AEPHPRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DRV3245AEPHPRQ1?
For technical support, including DRV3245AEPHPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV3245AEPHPRQ1 requirements.
6.How does Aetrix verify that DRV3245AEPHPRQ1 is sourced from the original manufacturer or authorized distributors?
All DRV3245AEPHPRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DRV3245AEPHPRQ1 meets industry standards.
7.What is the process for return or replacement of DRV3245AEPHPRQ1?
All DRV3245AEPHPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with DRV3245AEPHPRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DRV3245AEPHPRQ1 part is unused and in its original packaging.
Return procedure for DRV3245AEPHPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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