Overview
The NCV7751DQR2G, produced by onsemi, is an automotive-grade twelve-channel low-side driver. This component is designed to provide drive capability up to 600 mA per channel, making it suitable for various high-current applications. The device is controlled via a Serial Peripheral Interface (SPI) and features comprehensive fault reporting for open load, over load, and over temperature conditions. It is packaged in a SSOP-24 exposed pad package, which enhances thermal performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Input Voltage (VDDA, VDD) | -0.3 | - | 5.5 | V |
| Digital I/O Pin Voltage (EN, CSB1, CSB2, SCLK, SI, SO) | -0.3 | - | VDD + 0.3 | V |
| High Voltage Pins (OUTx) DC Peak Transient | -0.3 | - | 36 | V |
| Output Current (OUTx) | -1 | - | 1.3 | A |
| Operating Junction Temperature Range | -40 | - | 150 | °C |
| Storage Temperature Range | -55 | - | 150 | °C |
| RDS(on) | 1.3 | - | 2.5 | Ω |
| SPI Clock Frequency | - | - | 5 | MHz |
Key Features
- 12 independent low-side drivers with up to 600 mA drive capability per channel
- SPI communication interface with configurable 16/24/32 bit modes
- Frame error detection and daisy chain capability
- Integrated output clamps for inductive loads
- Fault reporting for open load, over load, and over temperature conditions
- Low quiescent current in sleep and standby modes
- Global Enable (EN) pin for low quiescent sleep current mode
- Power-on Reset (POR) function with independent thresholds for VDD and VDDA
- Available in SSOP-24 exposed pad package for optimal thermal performance
Applications
The NCV7751DQR2G is suitable for various automotive and industrial applications where multiple low-side drivers are required. Some common applications include:
- Automotive systems: lighting, wiper motors, fuel pumps, and other high-current loads
- Industrial control systems: motor control, relay drivers, and power management
- LED lighting systems: where the device can manage multiple LED loads efficiently
- General-purpose power switching: in applications requiring multiple independent channels
Q & A
- What is the maximum drive capability per channel of the NCV7751DQR2G?
The NCV7751DQR2G can drive up to 600 mA per channel.
- What communication interface does the NCV7751DQR2G use?
The device uses a Serial Peripheral Interface (SPI) for communication.
- What types of faults can the NCV7751DQR2G report?
The device can report faults for open load, over load, and over temperature conditions.
- What is the package type of the NCV7751DQR2G?
The device is packaged in a SSOP-24 exposed pad package.
- What is the operating junction temperature range of the NCV7751DQR2G?
The operating junction temperature range is -40°C to 150°C.
- Does the NCV7751DQR2G have a power-on reset function?
Yes, the device has a power-on reset function with independent thresholds for VDD and VDDA.
- How does the NCV7751DQR2G manage inductive loads?
The device has integrated output clamps to limit transient voltages when switching inductive loads.
- What is the quiescent current in standby mode for the NCV7751DQR2G?
The quiescent current in global standby mode is typically 32 μA at TJ = 125°C and 40 μA at TJ = 150°C.
- Can the NCV7751DQR2G be daisy-chained?
Yes, the device supports daisy chain capability.
- What is the maximum SPI clock frequency for the NCV7751DQR2G?
The maximum SPI clock frequency is 5 MHz.
