Overview
The NCV7240, produced by onsemi, is an automotive-grade octal low-side driver designed to provide robust and reliable control for various applications. This device features eight independent low-side drivers, each capable of driving up to 600 mA. The NCV7240 is controlled via a 16-bit SPI port, allowing for precise and flexible control over the output channels. It also includes advanced fault detection and reporting capabilities, such as open load, over load, and over temperature conditions. The device is packaged in a SSOP-24 fused lead package and is AEC-Q100 qualified, making it suitable for demanding automotive and industrial environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Input Voltage (VDDA, VDD) | -0.3 | - | 5.5 | V |
| Digital I/O pin voltage | -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 |
| RDS(on) | 1.5 | 3 | Ω | |
| Enable (EN) wake-up time | - | - | 200 | μs |
| Serial Control Output turn-on time | - | 30 | 50 | μs |
Key Features
- 8 independent low-side drivers, each capable of driving up to 600 mA
- 16-bit SPI control with frame error detection and daisy chain capability
- Parallel input pins for PWM operation and limp home functionality
- Low quiescent current in sleep and standby modes
- 3.3 V and 5 V compatible digital input supply range
- Fault reporting for open load, over load, and over temperature conditions
- Power-on reset (VDD, VDDA) and internal clamping for inductive loads
- AEC-Q100 qualified and PPAP capable, Pb-free device
- SSOP-24 package with internally fused leads
Applications
- Automotive Body Control Unit
- Automotive Engine Control Unit
- Relay Drive
- LED Drive
- Stepper Motor Driver
Q & A
- What is the maximum output current per channel of the NCV7240?
The NCV7240 can drive up to 600 mA per channel.
- How is the NCV7240 controlled?
The NCV7240 is controlled via a 16-bit SPI port.
- What types of fault detection does the NCV7240 support?
The NCV7240 supports fault detection for open load, over load, and over temperature conditions.
- What is the limp home functionality in the NCV7240?
The limp home functionality enables OUT1-OUT4 while disabling OUT5-OUT8, controlled by the LHI pin.
- What is the operating junction temperature range of the NCV7240?
The operating junction temperature range is -40°C to 150°C.
- Is the NCV7240 AEC-Q100 qualified?
Yes, the NCV7240 is AEC-Q100 qualified and PPAP capable.
- What package type is the NCV7240 available in?
The NCV7240 is available in a SSOP-24 package with internally fused leads.
- Can the NCV7240 operate with both 3.3 V and 5 V digital input supply?
Yes, the NCV7240 is compatible with both 3.3 V and 5 V digital input supply ranges.
- How does the NCV7240 handle inductive loads?
The NCV7240 includes internal clamping structures to limit transient voltages when switching inductive loads.
- What is the quiescent current in standby mode for the NCV7240?
The quiescent current in global standby mode is approximately 32-40 μA depending on the temperature.
