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Texas Instruments DRV8242HQRHLRQ1
- Part No.:
- DRV8242HQRHLRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- 20-VFQFN Exposed Pad
- Datasheet:
-
DRV8242HQRHLRQ1.pdf
- Description:
- AUTOMOTIVE, 40-V 6-A H-BRIDGE DR
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
DRV8242HQRHLRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive H-bridge driver with integrated current sensing and diagnostics, operating from 4.5 V to 35 V (40 V abs. max), delivering up to 6 A output current in a 3.5 mm × 4.5 mm VQFN-20 package, and supporting PWM or PH/EN control for brushed DC motor drive in body electronics modules.
For engineers reviewing the DRV8242HQRHLRQ1 datasheet, DRV8242HQRHLRQ1 pinout, DRV8242HQRHLRQ1 application, or DRV8242HQRHLRQ1 equivalent, this page delivers verified electrical specs, hardwired (HW) variant pin functions, thermal performance data, fault reaction modes, and real-world automotive use cases - all confirmed against TI's production-grade SLVSGY7A datasheet (March 2024 revision).
Technical Context
The DRV8242HQRHLRQ1 implements a monolithic N-channel H-bridge with integrated charge pump, high-side current sensing, and configurable overcurrent regulation via ITRIP pins. It supports automatic dead-time assertion up to 25 kHz PWM operation and offers six discrete slew-rate settings via SR pin configuration.
Its HW (H) variant uses dedicated configuration pins (MODE, DIAG, ITRIP, SR) for fixed-function operation without SPI communication, enabling deterministic timing for safety-critical motor control. Load diagnostics include open-load and short-circuit detection in both on- and off-states, with fault reporting via open-drain nFAULT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | 4.5 V to 35 V VM; supports 12 V and 24 V automotive battery systems with 40 V absolute max rating. |
| Output Current | 6 A continuous (QFN package); validated at TJ = 150°C with RθJA = 40.3°C/W and thermal pad soldered. |
| RON (HS + LS) | 250 mΩ typical at 25°C; enables low conduction loss and <1.5 W total dissipation at 6 A. |
| PWM Frequency | Up to 25 kHz with automatic dead time; eliminates external timing components and ensures safe shoot-through prevention. |
| Sleep Current | 1.3 µA typical at 25°C; reduces parasitic drain in always-on vehicle domains like door modules. |
| Diagnostic Coverage | On-state/off-state load diagnostics, VM over/under-voltage monitoring, overtemperature shutdown (155–185°C), and configurable OCP with 4.5–7.3 µs deglitch. |
| Logic Interface | 3.3 V / 5 V compatible inputs; supports direct MCU GPIO connection without level-shifting. |
Pinout & Package
VQFN-20 (RHL) package, 3.5 mm × 4.5 mm body size, thermally enhanced with exposed thermal pad. Pin count: 20 terminals; 4 GND pins, 2 VM pins, and 2 OUT1/OUT2 pins per side ensure robust current handling and low-impedance return paths.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (SR) | Slew Rate Configuration Input | Selects one of six output voltage transition rates (1.1–50 V/µs) to balance EMI vs. switching loss. |
| 2 (DIAG) | Fault Reaction & Load Type Config | Determines latched/retry fault behavior and distinguishes between high-side/low-side load configurations. |
| 3 (PH/IN2), 4 (EN/IN1) | Bridge Control Inputs | Accept standard PWM or phase-enable logic to command forward/reverse/brake/Hi-Z states. |
| 5 (DRVOFF) | Hi-Z Enable Input | Forces both half-bridges into high-impedance state independent of PH/EN signals - critical for fail-safe motor coasting. |
| 6, 15 (VM) | Motor Power Supply | High-current input (40 V abs. max); requires local 0.1 µF ceramic + bulk capacitor bypassing. |
| 7, 8 (OUT1), 13, 14 (OUT2) | H-Bridge Outputs | Paired pins per output reduce trace inductance and distribute 6 A load across multiple bond wires. |
| 9–12 (GND) | Power Ground | Four dedicated ground terminals minimize ground bounce and improve current-sense accuracy. |
| 16 (nSLEEP) | Low-Power Sleep Control | Active-low input with internal pull-down; 5–20 µs filter prevents false wake-up from noise. |
| 17 (IPROPI) | Analog Current Feedback | Proportional output (1425 A/A typical scaling) for closed-loop current monitoring without external shunt. |
| 18 (nFAULT) | Open-Drain Fault Indicator | Asserts low on overtemperature, overcurrent, VM OV/UV, or diagnostic faults; supports wired-OR fault bus. |
| 19 (MODE) | Control Mode Selection | Configures PH/EN vs. PWM-only operation; sets default bridge state during power-up. |
| 20 (ITRIP) | Current Limit Threshold | Sets high-side current regulation trip point (1.06–3.27 V on IPROPI) using resistor-to-GND or floating options. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated High-Side Current Sense | Eliminates external shunt resistor and associated PCB area, layout complexity, and power loss - enables accurate 0.05–2 A range sensing via IPROPI analog output. |
| Configurable Slew Rate (6 levels) | Reduces EMI emissions by controlling dv/dt without sacrificing efficiency; selectable via single SR pin resistor network. |
| On/Off-State Load Diagnostics | Detects open-circuit and short-to-battery/ground faults regardless of motor drive state - essential for ASIL-B functional safety compliance. |
| Automated Dead-Time Assertion | Hardware-enforced minimum off-time between HS/LS switching prevents shoot-through; no firmware dependency or timing calibration required. |
| AEC-Q100 Grade 1 Qualification | Validated for –40°C to +125°C ambient operation with full parametric testing - meets automotive cabin and under-hood temperature requirements. |
Applications
| Door Module Actuation | Seat Position Adjustment |
|---|---|
|
Use Scenario: Driving reversible 12 V DC motors for power window lift, lock actuator, or mirror positioning in OEM door modules. IC Role / Device Role / Timing Role: Full-bridge motor driver with integrated diagnostics, providing bidirectional torque control and real-time fault reporting to body controller MCU. Use Value: Enables single-chip replacement of discrete MOSFET + sense + protection solutions, reducing BOM count and improving ASIL-B diagnostic coverage. |
Use Scenario: Controlling multi-directional seat adjustment motors (fore/aft, recline, height) in premium automotive seating systems. IC Role / Device Role / Timing Role: H-bridge driver with proportional current feedback (IPROPI) and configurable OCP, allowing precise stall detection and soft-start control. Use Value: Eliminates need for external current-sense amplifiers and improves system-level reliability through on-chip open/short-load detection during idle and motion phases. |
| Body Control Module (BCM) | Engine Bay Solenoid Control |
|
Use Scenario: Managing auxiliary loads such as trunk release, hood latch, or interior lighting dimming in centralized BCM architectures. IC Role / Device Role / Timing Role: Low-quiescent-current (1.3 µA) H-bridge with sleep/wake capability, synchronized to vehicle CAN/LIN wake events. Use Value: Reduces standby power consumption while maintaining fast (<1 ms) wake-up readiness - critical for ISO 16750-2 battery drain compliance. |
Use Scenario: Driving 24 V solenoids for fuel injectors, turbocharger vanes, or transmission shift actuators in engine management subsystems. IC Role / Device Role / Timing Role: Robust 35 V-rated driver with VM overvoltage protection (33.6–37 V threshold) and thermal shutdown (155–185°C). Use Value: Withstands load-dump transients and high-ambient under-hood conditions without external TVS or thermal derating overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar H-bridge driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DRV8243HQRHFRQ1 | Lower RON (84 mΩ), higher IOUT (12 A), same VQFN-14 package but smaller 3 mm × 4.5 mm footprint. | Better suited for higher-current 12 V motors (e.g., HVAC blower) where thermal margin is constrained. | Select when >6 A continuous current or lower conduction loss is required; verify PCB layout compatibility with reduced pin pitch. |
| DRV8244HQRHFRQ1 | Further reduced RON (47 mΩ), 21 A rating, VQFN-HR-16 package (3 mm × 6 mm); adds spread-spectrum clocking (not in DRV8242HQRHLRQ1). | Targeted at high-power applications like electric power steering assist or active suspension drivers requiring ultra-low EMI. | Choose for next-generation designs needing higher efficiency, lower junction temperature rise, or certified EMC performance with SSC. |
Compared with DRV8242HQRHLRQ1, DRV8243HQRHFRQ1 delivers 100% higher current capacity in a smaller package but lacks the 20-pin flexibility for dedicated configuration pins, while DRV8244HQRHFRQ1 provides double the current headroom and integrated EMI reduction - making both alternatives suitable for upward scalability rather than drop-in replacement.
Availability
DRV8242HQRHLRQ1 is available at Aetrix Electronics and suitable for automotive door modules, seat control systems, and body control modules requiring stable component supply, AEC-Q100 qualification, and long-term production continuity.
Supply support for DRV8242HQRHLRQ1 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 ICs, with decades of automotive qualification expertise and functional safety documentation support.
The DRV824x-Q1 family is designed specifically for automotive brushed DC motor and solenoid control, emphasizing integrated diagnostics, thermal robustness, and AEC-Q100 compliance for body electronics and powertrain-adjacent systems.
FAQ
What is the maximum continuous output current supported by the DRV8242HQRHLRQ1?
The DRV8242HQRHLRQ1 supports 6 A continuous output current in its QFN-20 (RHL) package, validated under recommended operating conditions (4.5 V ≤ VM ≤ 35 V, TA ≤ 125°C) with proper PCB thermal design including soldered thermal pad and adequate copper area. Peak current capability exceeds 10 A for short durations depending on thermal budget.
Does the DRV8242HQRHLRQ1 require an external current-sense resistor?
No, the DRV8242HQRHLRQ1 integrates high-side current sensing and provides a proportional analog output on the IPROPI pin, eliminating the need for an external shunt resistor. This reduces BOM cost, PCB area, and power loss while maintaining ±2% current matching between half-bridges in the top current range.
How does the DRV8242HQRHLRQ1 handle fault conditions such as overtemperature or overcurrent?
The DRV8242HQRHLRQ1 features configurable fault reactions (latched or retry mode) via the DIAG pin. Overtemperature triggers shutdown at 155–185°C with 30°C hysteresis; overcurrent protection activates at programmable thresholds (6–12 A) with deglitch times from 4.5 µs to 7.3 µs. All faults assert the open-drain nFAULT pin for MCU monitoring.
What package type and dimensions does the DRV8242HQRHLRQ1 use?
The DRV8242HQRHLRQ1 uses a VQFN-20 (RHL) package with nominal body dimensions of 3.5 mm × 4.5 mm and 0.5 mm pitch. It includes an exposed thermal pad for enhanced heat dissipation and four dedicated GND pins to minimize impedance in high-current return paths.
Is the DRV8242HQRHLRQ1 compatible with both 3.3 V and 5 V logic interfaces?
Yes, the DRV8242HQRHLRQ1 supports 3.3 V and 5 V logic inputs on all control pins (IN1/EN, IN2/PH, DRVOFF, nSLEEP), with VIH thresholds of 1.55 V (nSLEEP) and 1.5 V (other pins), and VIL thresholds of 0.65 V and 0.7 V respectively - enabling direct interface with common automotive MCUs without level-shifting circuitry.
DRV8242HQRHLRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 20-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Motor Type - Stepper:
- Bipolar
- Motor Type - AC, DC:
- Brushed DC
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (2)
- Interface:
- Hardwired (HW)
- Technology:
- Bi-CMOS
- Step Resolution:
- -
- Applications:
- Automotive
- Current - Output:
- 6A
- Voltage - Supply:
- 4.5V ~ 35V
- Voltage - Load:
- 4.5V ~ 35V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 20-VQFN (3.5x4.5)
DRV8242HQRHLRQ1 FAQ
1.How can I place an order for DRV8242HQRHLRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV8242HQRHLRQ1 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 DRV8242HQRHLRQ1 reliable?
The price and inventory of DRV8242HQRHLRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV8242HQRHLRQ1 is usually 5 days.
3.What payment methods are accepted for DRV8242HQRHLRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV8242HQRHLRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV8242HQRHLRQ1?
DRV8242HQRHLRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV8242HQRHLRQ1 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 DRV8242HQRHLRQ1?
For technical support, including DRV8242HQRHLRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV8242HQRHLRQ1 requirements.
6.How does Aetrix verify that DRV8242HQRHLRQ1 is sourced from the original manufacturer or authorized distributors?
All DRV8242HQRHLRQ1 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 DRV8242HQRHLRQ1 meets industry standards.
7.What is the process for return or replacement of DRV8242HQRHLRQ1?
All DRV8242HQRHLRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with DRV8242HQRHLRQ1, 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 DRV8242HQRHLRQ1 part is unused and in its original packaging.
Return procedure for DRV8242HQRHLRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DRV8242HQRHLRQ1 Tags
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