Overview
The NCV7718CDQR2G, produced by onsemi, is a Hex Half-Bridge Driver designed for automotive and industrial motion control applications. This device features six independent half-bridge configurations, each comprising a high-side and a low-side driver, enabling three full-bridge operations. It is optimized for controlling brushed DC motors and offers advanced protection and diagnostic features. The device is controlled via a 16-bit SPI interface and supports daisy-chain compatibility, making it versatile for various system architectures.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Supply Voltage (VS1, VS2) | -0.3 to 40 | V |
| Output Pin Voltage (OUTx) | -0.3 to 40 | V |
| Output Current (OUTx) | -2.0 to 2.0 | A |
| Electrostatic Discharge (Human Body Model) | ≥ ±4.0 kV | |
| Supply Current (VS1 + VS2) - Sleep Mode | 1.0 to 2.5 | μA |
| Supply Current (VS1 + VS2) - Active Mode | 2.5 to 5.0 | mA |
| VCC Power-On-Reset Threshold | 2.55 to 2.9 | V |
| VSx Undervoltage Detection Threshold | 3.7 to 4.5 | V |
| VSx Overvoltage Detection Threshold | 32 to 40 | V |
| Thermal Shutdown | 150 to 200 | °C |
| Output High RDS(on) | 0.8 to 2.0 | Ω |
| Over Current Delay Timer | 10 to 50 | μs |
Key Features
- Low Quiescent Current Sleep Mode
- High-Side and Low-Side Drivers in Half-Bridge Configuration
- Integrated Freewheeling Protection (LS and HS)
- Peak Current Capability of 0.55 A DC and 2 A Surge
- 5 MHz SPI Control Interface
- Compliance with 5 V and 3.3 V Systems
- Undervoltage and Overvoltage Lockout
- Discriminated Fault Reporting
- Overcurrent and Overtemperature Protection
- Under Load Detection (Low Side)
- Daisy Chain Compatible with Multiple Devices
- 16-Bit Frame Detection
- AEC-Q100 Qualified and PPAP Capable
Applications
- Automotive Motion Control
- Industrial Motion Control
- DC Motor Management for HVAC Applications
Q & A
- What is the NCV7718CDQR2G used for? The NCV7718CDQR2G is used for controlling brushed DC motors in automotive and industrial motion control applications.
- How is the device controlled? The device is controlled via a 16-bit SPI interface.
- What are the key protection features of the NCV7718CDQR2G? The device features undervoltage and overvoltage lockout, overcurrent protection, overtemperature protection, and under load detection.
- Can the NCV7718CDQR2G be used in daisy-chain configurations? Yes, the device is daisy-chain compatible with multiple devices.
- What is the maximum operating temperature of the NCV7718CDQR2G? The maximum operating temperature is 150°C.
- What is the peak current capability of the NCV7718CDQR2G? The device has a peak current capability of 0.55 A DC and 2 A surge.
- Is the NCV7718CDQR2G AEC-Q100 qualified? Yes, the device is AEC-Q100 qualified and PPAP capable.
- What is the purpose of the SPI interface in the NCV7718CDQR2G? The SPI interface is used for device configurations, driver controls, and reading diagnostic data.
- How does the device protect against current shoot-through? The digital design ensures that the high side and low side of the same half bridge are not active at the same time, and delays are implemented between high side and low side switching.
- What package options are available for the NCV7718CDQR2G? The device is available in SSOP24 NB EP and SSOP24 NB packages.
