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Texas Instruments DRV3245SQPHPRQ1
- Part No.:
- DRV3245SQPHPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Gate Drivers
- Package:
- 48-PowerTQFP
- Datasheet:
-
DRV3245SQPHPRQ1.pdf
- Description:
- IC GATE DRVR HALF-BRIDGE 48HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:990
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Product details
Overview
DRV3245SQPHPRQ1 from Texas Instruments is an AEC-Q100 Grade 1 (–40°C to +125°C) automotive 3-phase gate driver IC with integrated current-shunt amplifiers, phase comparators, and functional safety support up to ASIL D. It delivers programmable 1-A peak gate drive across three half-bridges, operates from 4.5 V to 45 V, and supports 3-PWM/6-PWM control up to 20 kHz for electric power steering and brake assist systems.
For engineers reviewing the DRV3245SQPHPRQ1 datasheet, DRV3245SQPHPRQ1 pinout, DRV3245SQPHPRQ1 application, or DRV3245SQPHPRQ1 equivalent, this page provides verified technical context, real-world design meaning of key specs, package layout guidance, and validated alternative options for motor-control BOM optimization under ISO 26262 constraints.
Technical Context
The DRV3245SQPHPRQ1 implements a charge-pump-based high-side gate driver enabling true 100% duty cycle operation during cold-crank conditions. Its three independent half-bridge drivers each integrate MOSFET shoot-through prevention, real-time VGS monitoring, and VDS overcurrent detection.
It integrates three precision current-shunt amplifiers (S-device variant), three-phase comparators with status reporting via SPI, and programmable dead-time control. All protection blocks-including clock monitor, SPI CRC, analog BIST, and thermal warning/shutdown-are systematically certified for ASIL D system integration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Voltage | 4.5 V to 45 V - supports full automotive battery range including cold-crank (≤6 V) and load-dump (≥42 V) transients |
| Peak Gate Drive Current | Up to 1 A - enables fast switching of low-RDS(on) N-channel MOSFETs in high-current EPS inverters |
| Current Sensing | 3× shunt amplifiers - provides simultaneous phase current measurement without external op-amps or gain resistors |
| Duty Cycle Support | 100% - achieved via integrated charge pump, eliminating need for external bootstrap diodes/capacitors |
| Functional Safety | ASIL D systematic capability - includes SPI CRC, clock monitor, analog BIST, and configurable fault reporting per ISO 26262 |
| Digital Interface | 3.3 V / 5 V compatible - interoperates with common MCU I/O without level-shifting circuitry |
| Control Modes | 3-PWM or 6-PWM input - supports both space-vector and six-step commutation schemes up to 20 kHz |
Pinout & Package
DRV3245SQPHPRQ1 uses a thermally enhanced 48-pin HTQFP (PHP) package with 7.0 mm × 7.0 mm body size, 0.5 mm pitch, and exposed PowerPAD for efficient heat dissipation in high-power motor-drive PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Internal regulator input | Supplies 4.5–45 V main rail; powers internal LDOs and gate drivers |
| VDDIO | Digital I/O supply | Accepts 3.3 V or 5 V to set logic threshold for PWM/SPI pins |
| OUTA_H / OUTA_L | Phase A high-/low-side gate outputs | Drive external N-MOSFET gates with programmable 1-A peak current and shoot-through protection |
| OUTB_H / OUTB_L | Phase B high-/low-side gate outputs | Independent half-bridge output pair with real-time VGS monitoring and VDS overcurrent detection |
| OUTC_H / OUTC_L | Phase C high-/low-side gate outputs | Third half-bridge channel with identical protection and sensing features as A/B channels |
| SHUNTA / SHUNTB / SHUNTC | Current-sense amplifier inputs | Direct connection to low-side shunt resistors; differential inputs with fixed 20-V/V gain (S-device) |
| SPI_MOSI / MISO / SCLK / nCS | SPI interface signals | Configures dead time, diagnostics, and reads fault status; includes hardware CRC for data integrity |
| nFAULT | Open-drain fault indicator | Asserts low on overtemperature, VDS overcurrent, or clock failure; latched or auto-clear per configuration |
Key Features
| Feature | Design Value |
|---|---|
| Charge-pump gate driver | Enables 100% high-side duty cycle without external bootstrap components, critical for EPS hold-torque operation |
| Integrated 3× shunt amplifiers | Eliminates 3 op-amps, 6 gain resistors, and associated layout area-reducing BOM count and PCB footprint |
| Programmable dead-time control | Adjustable via SPI (10–500 ns steps) to match MOSFET turn-on/turn-off delays and prevent shoot-through |
| Real-time VGS monitoring | Detects gate driver faults (e.g., open gate, solder joint failure) before MOSFET damage occurs |
| ASIL D systematic capability | Includes clock monitor, SPI CRC, analog BIST, and configurable fault reporting-reducing software diagnostic effort in safety-critical systems |
Applications
| Electrical Power Steering (EPS) | Electric Brake Assist |
|---|---|
Use Scenario: High-reliability torque assist in 12-V vehicle platforms with frequent stop-start cycles and cold-crank events. IC Role / Device Role / Timing Role: 3-phase gate driver with integrated current sensing and ASIL D diagnostics for BLDC motor commutation. Use Value: Eliminates external current-sense amps and reduces fault response latency by reporting VGS/VDS anomalies directly via SPI-enabling faster torque cut-off during fault conditions. | Use Scenario: Compact, fail-safe actuation of electro-hydraulic brake pumps in ADAS-enabled vehicles. IC Role / Device Role / Timing Role: Half-bridge driver with programmable dead time and real-time gate monitoring for precise pressure control. Use Value: Charge-pump architecture sustains 100% duty cycle during low-battery braking events, ensuring uninterrupted hydraulic assist even below 6 V. |
| Transmission Control Actuators | Electric Coolant Pumps |
Use Scenario: Duty-cycle-intensive shifting actuators requiring robust thermal management and long-term reliability. IC Role / Device Role / Timing Role: Motor gate driver with overtemperature warning and shutdown, plus integrated diagnostics for predictive maintenance. Use Value: On-chip thermal sensor and configurable warning threshold allow early derating before shutdown-extending actuator lifetime and reducing warranty claims. | Use Scenario: Continuous-duty 12-V coolant circulation in EV thermal management systems with variable-speed demand. IC Role / Device Role / Timing Role: 3-phase inverter driver supporting 3-PWM mode and 20-kHz PWM frequency for smooth speed regulation. Use Value: 3.3-V/5-V digital interface simplifies MCU co-design; SPI-configurable dead time accommodates multiple MOSFET types across pump variants. |
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 |
|---|---|---|---|
| DRV3245AQPHPRQ1 | Includes 3 current-shunt amplifiers with low-drift offset; same package, pinout, and ASIL D capability | Targeted at high-precision current measurement (e.g., field-oriented control); higher cost due to precision amplifiers | Select DRV3245AQPHPRQ1 when <100 µV offset drift is required for torque accuracy in premium EPS systems |
| DRV3245BQPHPRQ1 | Integrates 2 current-shunt amplifiers and real-time digital monitor outputs (not SPI-only); identical voltage/current ratings | Optimized for deterministic real-time fault response (e.g., brake assist where analog BIST latency is unacceptable) | Choose DRV3245BQPHPRQ1 when digital fault pins (nFAULT, nOCP) must drive MCU interrupts without SPI polling overhead |
Compared with DRV3245AQPHPRQ1 and DRV3245BQPHPRQ1, the DRV3245SQPHPRQ1 offers balanced performance with three standard shunt amplifiers and full SPI configurability-making it optimal for cost-sensitive yet safety-compliant EPS and pump designs where precision offset is secondary to integration and flexibility.
Availability
DRV3245SQPHPRQ1 is available at Aetrix Electronics and suitable for electrical power steering, brake assist, and transmission control applications requiring stable component supply, automotive qualification, and functional safety compliance.
Supply support for DRV3245SQPHPRQ1 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 company specializing in analog, embedded processing, and automotive ICs, with decades of leadership in motor-control solutions and functional safety certification.
The DRV3245Q-Q1 product line delivers integrated 3-phase gate drivers with embedded sensing, protection, and ASIL D-ready diagnostics-designed specifically for automotive electrification systems demanding high reliability, compact BOMs, and ISO 26262-compliant development.
FAQ
What is the maximum operating temperature range for the DRV3245SQPHPRQ1?
The DRV3245SQPHPRQ1 is rated for ambient temperature from –40°C to +125°C (Grade 1 per AEC-Q100). This range is validated for continuous operation in under-hood automotive environments, including EPS modules near the steering column where thermal cycling and sustained high ambient temperatures occur. The device's thermal shutdown activates above +150°C junction temperature to protect against catastrophic failure.
Does the DRV3245SQPHPRQ1 support 100% duty cycle operation, and how is it implemented?
Yes, the DRV3245SQPHPRQ1 supports true 100% high-side duty cycle using an integrated charge-pump circuit. Unlike bootstrap-based drivers, this eliminates dependency on switching activity to refresh the high-side gate voltage-enabling continuous torque hold in EPS systems during vehicle standstill or low-speed maneuvers. The charge pump maintains ≥10 V gate drive even at VDD = 6 V, meeting cold-crank requirements.
How many current-shunt amplifiers does the DRV3245SQPHPRQ1 integrate, and what is their gain configuration?
The DRV3245SQPHPRQ1 integrates three current-shunt amplifiers (SHUNTA, SHUNTB, SHUNTC), each with fixed 20-V/V gain and rail-to-rail output. These amplifiers are optimized for bidirectional shunt sensing in 3-phase motor drives and require no external gain-setting resistors. Their input offset is specified at ±1 mV max over temperature, sufficient for mid-tier EPS and pump applications where ultra-high precision is not required.
What functional safety documentation is available for the DRV3245SQPHPRQ1?
Texas Instruments provides a full ISO 26262 functional safety package for the DRV3245SQPHPRQ1, including FMEDA reports, safety analysis summary, diagnostic coverage metrics, and hardware safety manual. These documents support ASIL D system-level development and are accessible through TI's functional safety portal upon NDA. The DRV3245SQPHPRQ1 itself achieves systematic capability up to ASIL D per ISO 26262-5.
Can the DRV3245SQPHPRQ1 be used with both 3.3-V and 5-V microcontrollers?
Yes, the DRV3245SQPHPRQ1 supports dual-voltage digital I/O: VDDIO accepts either 3.3 V or 5 V, setting the logic threshold for all PWM and SPI pins. This allows direct interfacing with common automotive MCUs such as the C2000™ Delfino or Hercules™ TMS570 families without external level shifters. Input hysteresis ensures noise immunity across both voltage domains.
DRV3245SQPHPRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 48-PowerTQFP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Driven Configuration:
- Half-Bridge
- Channel Type:
- 3-Phase
- Number of Drivers:
- 3
- Gate Type:
- N-Channel MOSFET
- Voltage - Supply:
- 4.5V ~ 45V
- Logic Voltage - VIL, VIH:
- -
- Current - Peak Output (Source, Sink):
- 1A, 1A
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- -
- Rise / Fall Time (Typ):
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-HTQFP (7x7)
DRV3245SQPHPRQ1 FAQ
1.How can I place an order for DRV3245SQPHPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV3245SQPHPRQ1 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 DRV3245SQPHPRQ1 reliable?
The price and inventory of DRV3245SQPHPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV3245SQPHPRQ1 is usually 5 days.
3.What payment methods are accepted for DRV3245SQPHPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV3245SQPHPRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV3245SQPHPRQ1?
DRV3245SQPHPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV3245SQPHPRQ1 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 DRV3245SQPHPRQ1?
For technical support, including DRV3245SQPHPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV3245SQPHPRQ1 requirements.
6.How does Aetrix verify that DRV3245SQPHPRQ1 is sourced from the original manufacturer or authorized distributors?
All DRV3245SQPHPRQ1 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 DRV3245SQPHPRQ1 meets industry standards.
7.What is the process for return or replacement of DRV3245SQPHPRQ1?
All DRV3245SQPHPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with DRV3245SQPHPRQ1, 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 DRV3245SQPHPRQ1 part is unused and in its original packaging.
Return procedure for DRV3245SQPHPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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