ON NCV7719DQR2G Eight Channel Half-Bridge Driver With Protection Features For Automotive

 

Shenzhen Mingjiada Electronics Co., Ltd., as a renowned distributor of electronic components, stocks the ON Semiconductor NCV7719DQR2G – an eight-channel half-bridge driver specifically designed for automotive and industrial motion control applications. It integrates comprehensive protection features and flexible control interfaces, meeting the stringent reliability and performance demands of modern automotive electronics.

 

【NCV7719DQR2G Product Overview】

The NCV7719DQR2G is an octal (eight-channel) half-bridge driver with independent control and diagnostic capabilities, operating in forward, reverse, braking, and high-impedance states. Controlled via a 16-bit SPI interface and featuring daisy-chain compatibility, the NCV7719DQR2G facilitates coordinated operation of multiple devices. Its core feature includes:

 

High Integration: Single-chip integration of eight half-bridge drivers supporting power MOSFET technology, significantly simplifying system architecture.

Robust Protection Mechanisms: Incorporates overcurrent protection (OCP), overvoltage/undervoltage protection (OVP/UVP), overtemperature protection (OTP), underload detection, and integrated freewheeling protection. Its fault discrimination reporting function aids rapid issue identification.

Wide voltage range: Load voltage support spans 5.5V to 28V, while the supply voltage range operates between 3.15V and 5.25V, ensuring compatibility with both 3.3V and 5V logic systems.

Automotive-grade reliability: Compliant with AEC-Q100 standards for automotive applications and certified lead-free. Its junction temperature (TJ) range of -40°C to +150°C ensures operation in demanding environments.

Communication and control: Supports 5MHz SPI communication with daisy-chain capability, facilitating multi-device coordination and simplifying system design.

 

【NCV7719DQR2G Design Features】

The NCV7719DQR2G utilises a 24-pin SSOP package (dimensions: 8.64mm × 3.9mm × 1.7mm) with an exposed pad for enhanced thermal dissipation. This compact packaging design accommodates the stringent space constraints of automotive electronics.

 

Specifically engineered for automotive environments, the NCV7719DQR2G meets stringent automotive-grade reliability standards. It operates reliably within a junction temperature range of -40°C to 150°C, adequately addressing the harsh thermal conditions encountered in automotive electronics.

 

As a fully integrated motor driver, the NCV7719DQR2G combines both control and power stages, delivering a complete drive solution. It incorporates power MOSFET technology, with each channel capable of delivering a peak output current of up to 0.55A.

 

 

【NCV7719DQR2G's Robust Performance and Interface Features】

The NCV7719DQR2G is controlled via a 16-bit SPI interface operating at frequencies up to 5MHz, supporting daisy-chain functionality for convenient parallel operation of multiple devices. This feature significantly simplifies system design, particularly in applications requiring control of multiple motors.

 

The NCV7719DQR2G operates within a supply voltage range of 3.15V to 5.25V, while its load voltage range is broader, spanning 5.5V to 28V. This design ensures adaptability to voltage fluctuations within automotive power systems, guaranteeing stable and reliable operation.

 

【NCV7719DQR2G Comprehensive Protection Features and Diagnostic Capabilities】

The true strength of the NCV7719DQR2G lies in its comprehensive protection features, including overcurrent protection, overvoltage protection, undervoltage lockout, overtemperature protection, and underload detection.

 

The NCV7719DQR2G also provides detailed diagnostic capabilities, enabling fault classification and reporting via the SPI interface. This precise diagnostic capability is crucial for automotive systems, facilitating rapid fault location and enhancing system maintainability.

 

The open-load detection function monitors for open-circuit conditions while power switches remain active. Upon detecting an open circuit, the corresponding status register is set, allowing users to configure whether to deactivate the power switches via register settings.

 

【NCV7719DQR2G Typical Application Scenarios】

With its multi-channel outputs and robust design, the NCV7719DQR2G is ideally suited for diverse automotive electronics applications:

Body Control Systems: Driving multiple actuators such as window lifts, sunroof operation, mirror adjustment, and electric seat control.

HVAC Systems: Managing DC motors for automotive heating, ventilation, and air conditioning (HVAC) damper actuators.

Industrial Automation: Suitable for driving multi-axis actuators, conveyor belts, small robots, and other scenarios requiring multi-channel, high-reliability drive solutions.