Overview
The NCV7240ADPR2G, produced by ON Semiconductor, is an automotive-grade octal low-side relay driver. This integrated circuit provides eight independent channels, each capable of driving up to 600 mA. The device is controlled via a 16-bit SPI port and features advanced fault reporting for open loads, overloads, and overtemperature conditions. It also includes a dedicated limp-home mode and parallel control of outputs via the INx pins. The NCV7240ADPR2G is packaged in a SSOP-24 fused lead package, making it suitable for compact and reliable integration into automotive systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Input Voltage (VDDA, VDD) | -0.3 | 5.5 | V | |
| Digital I/O pin voltage (EN, LHI, Inx, CSB, SCLK, SI) | -0.3 | VDD + 0.3 | V | |
| High Voltage Pins (OUTx) | -0.3 | 36 | V | |
| Output Current (OUTx) | -1 | 1.3 | A | |
| Operating Junction Temperature Range | -40 | 150 | °C | |
| Storage Temperature Range | -55 | 150 | °C | |
| Quiescent Current (VDDA) in Global Standby Mode | 32 | 40 | μA | |
| RDS(on) | 1.5 | 3 | Ω |
Key Features
- 8 independent low-side drivers with up to 600 mA drive capability per channel
- 16-bit SPI control with frame error detection
- Parallel control of outputs via INx pins
- Dedicated limp-home mode pin (LHI) to enable OUT1-OUT4 while disabling OUT5-OUT8
- Output clamps for inductive loads and over-load current protection
- Low quiescent current in sleep and standby modes
- Power-up without open circuit detection active (for LED applications)
- Fault reporting for open load, overload, and overtemperature conditions
- SSOP-24 fused lead package
- AEC-Q100 compliant for automotive applications
Applications
- Automotive relay driving applications
- Encoder interfaces
- Logic level converters
- Motor driver ICs
- Any application requiring multiple low-side drivers with advanced control and fault detection
Q & A
- What is the maximum output current per channel of the NCV7240ADPR2G?
The maximum output current per channel is up to 600 mA.
- How is the NCV7240ADPR2G controlled?
The device is controlled via a 16-bit SPI port.
- What types of faults can the NCV7240ADPR2G detect?
The device can detect open loads, overloads, and overtemperature conditions.
- What is the limp-home mode in the NCV7240ADPR2G?
The limp-home mode, controlled by the LHI pin, enables OUT1-OUT4 while disabling OUT5-OUT8.
- What is the package type of the NCV7240ADPR2G?
The device is packaged in a SSOP-24 fused lead package.
- What is the operating temperature range of the NCV7240ADPR2G?
The operating junction temperature range is from -40°C to 150°C.
- Is the NCV7240ADPR2G compliant with automotive standards?
Yes, it is AEC-Q100 compliant for automotive applications.
- How does the NCV7240ADPR2G protect against inductive loads?
The device includes internal clamping structures to limit transient voltages when switching inductive loads.
- Can the NCV7240ADPR2G operate in parallel control mode?
Yes, the outputs can be controlled in parallel via the INx pins.
- What is the quiescent current in the global standby mode of the NCV7240ADPR2G?
The quiescent current in the global standby mode is typically 32 μA at 25°C.
