Overview
The DRV8703QRHBTQ1 is a single H-bridge gate driver produced by Texas Instruments, designed for automotive applications. This device is AEC-Q100 qualified and operates within a temperature range of -40°C to +125°C, making it suitable for harsh automotive environments. It is functional safety-capable, with documentation available to aid in system design for functional safety. The DRV8703QRHBTQ1 drives four external N-channel MOSFETs and supports 100% PWM duty cycle, making it versatile for various motor control applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply-Voltage Range | 5.5 to 45 | V |
| Ambient Operating Temperature | -40 to +125 | °C |
| Package Type | VQFN (RHB) | - |
| Number of Pins | 32 | - |
| Logic Input Voltage | 1.8, 3.3, 5 | V |
| High-Side Peak Source Current (VVM = 5.5V) | 10 to 145 | mA |
| Low-Side Peak Source Current (VVM = 5.5V) | 10 to 360 | mA |
| PWM Frequency | Up to 100 kHz | - |
Key Features
- AEC-Q100 Qualified for Automotive Applications
- Functional Safety-Capable with available documentation
- Single H-Bridge Gate Driver driving four external N-channel MOSFETs
- Supports 100% PWM Duty Cycle
- Three Control-Interface Options: PH/EN, Independent H-Bridge, and PWM
- Serial Interface for Configuration (DRV8703-Q1)
- Smart Gate Drive Architecture with adjustable slew-rate control
- Independent Control of Each H-Bridge
- Current-Shunt Amplifier and Integrated PWM Current Regulation
- Low-Power Sleep Mode
- Protection Features: UVLO, CPUV Lockout, OCP, GDF, TSD, Watchdog Timer, and Fault-Condition Output (nFAULT)
Applications
- Power Window Lift, Sunroof, Seats, Sliding Door, Trunk and Tailgate
- Relay Replacement
- Brushed-DC Pumps
Q & A
- What is the operating temperature range of the DRV8703QRHBTQ1?
The operating temperature range is -40°C to +125°C.
- What is the operating supply-voltage range of the DRV8703QRHBTQ1?
The operating supply-voltage range is 5.5 to 45 V.
- What types of control interfaces does the DRV8703QRHBTQ1 support?
The device supports PH/EN, Independent H-Bridge, and PWM control interfaces.
- Does the DRV8703QRHBTQ1 support serial configuration?
- What protection features are included in the DRV8703QRHBTQ1?
The device includes Supply Undervoltage Lockout (UVLO), Charge-Pump Undervoltage (CPUV) Lockout, Overcurrent Protection (OCP), Gate-Driver Fault (GDF), Thermal Shutdown (TSD), Watchdog Timer, and Fault-Condition Output (nFAULT).
- Can the DRV8703QRHBTQ1 be used in low-power applications?
- What is the maximum PWM frequency supported by the DRV8703QRHBTQ1?
The device supports up to 100 kHz PWM frequency.
- Does the DRV8703QRHBTQ1 support adjustable current control?
- What types of motors can the DRV8703QRHBTQ1 drive?
The device is designed to drive bidirectional brushed-DC motors.
- Is the DRV8703QRHBTQ1 suitable for automotive applications?
