Overview
The NCV7718B/C, including the NCV7718DPR2G variant, is a high-performance power driver IC designed by onsemi. This device is comprised of twelve DMOS power drivers, configured as six half-bridges, enabling three independent full-bridge operations. Each output drive is capable of handling a maximum 550 mA DC load and has a typical 2 A surge capability. The IC is optimized for automotive and industrial applications, requiring strict adherence to integrated circuit die temperature limits to ensure reliable operation.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Supply Voltage (VS1, VS2) | VSx | -0.3 | - | 40 | V |
| Output Pin Voltage (OUTx) | Voutx | -0.3 | - | 40 | V |
| Output Current (OUTx) | Ioutx | -2.0 | - | 2.0 | A |
| Digital Supply Input Voltage | Vcc | 3.15 | - | 5.25 | V |
| Junction Temperature | Tj | -40 | - | 125 | °C |
| RDS(on) High Side | RDS(on) HS | 0.8 | 1.2 | 2.0 | Ω |
| Overcurrent Delay Timer | TdOc | 10 | 25 | 50 | μs |
| Under Load Detection Threshold (Low Side) | IuldLS | 2.0 | 11 | 20 | mA |
Key Features
- High-Side and Low-Side Drivers Connected in a Half-Bridge Configuration
- Integrated Freewheeling Protection (LS and HS)
- 0.55 A Peak Current Capability
- 5 MHz SPI Control for Device Configuration and Diagnostic Data
- Compliance with 5 V and 3.3 V Systems
- Undervoltage and Overvoltage Lockout
- Discriminated Fault Reporting
- Overcurrent Protection
- Overtemperature Protection
- Under Load Detection (LS)
- Daisy Chain Compatible with Multiple 8-Bit Devices
- 16-Bit Frame Detection for Data Integrity
- AEC-Q100 Qualified and PPAP Capable
- Pb-Free Devices
Applications
- Automotive Systems
- Industrial Control Systems
- DC Motor Management for HVAC Applications
Q & A
- What is the NCV7718B/C used for?
The NCV7718B/C is used for high-performance power driving in applications such as automotive systems, industrial control systems, and DC motor management for HVAC.
- What is the peak current capability of the NCV7718B/C?
The NCV7718B/C has a peak current capability of 0.55 A.
- What type of protection does the NCV7718B/C offer?
The NCV7718B/C offers undervoltage, overvoltage, overcurrent, and overtemperature protection, as well as under load detection and integrated freewheeling protection.
- How does the SPI interface work on the NCV7718B/C?
The NCV7718B/C uses a 16-bit full duplex SPI interface for device configuration, driver control, and reading diagnostic data. It supports daisy chain operations and has a frame detection error scheme to ensure data integrity.
- What is the junction temperature limit for the NCV7718B/C?
The junction temperature limit for the NCV7718B/C is 125°C.
- Is the NCV7718B/C AEC-Q100 qualified?
Yes, the NCV7718B/C is AEC-Q100 qualified and PPAP capable.
- What is the typical RDS(on) for the high side drivers?
The typical RDS(on) for the high side drivers is 1.2 Ω.
- How does the under load detection work on the NCV7718B/C?
The under load detection on the NCV7718B/C is threshold-based, with a typical threshold of 11 mA for the low side drivers.
- What is the purpose of the Enable (EN) function?
The Enable (EN) function provides a low quiescent sleep current mode when the device is not being utilized and clears all registers when de-asserted.
- Is the NCV7718B/C Pb-free?
Yes, the NCV7718B/C is a Pb-free device.
