Overview
The NCV7754, 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 channels, each capable of driving up to 500 mA. It is controlled via a 16-bit SPI interface, offering advanced features such as fault reporting for open load, over load, and over temperature conditions. The NCV7754 is packaged in a SSOP-24 fused lead package, ensuring high reliability and compliance with automotive standards like AEC-Q100.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Input Voltage (VDDA, VDD) | -0.3 | - | 5.5 | V |
| Output Current (OUTx) | -1 | - | 0.95 | A |
| Operating Junction Temperature Range | -40 | - | 150 | °C |
| Storage Temperature Range | -55 | - | 150 | °C |
| RDS(on) | 0.8 | - | 1.6 | Ω |
| Quiescent Current (VDDA) in Low Iq Mode | 5 | 8 | 17 | μA |
| Power-on Reset Threshold (VDDA) | 3.8 | - | 4.5 | V |
Key Features
- 8 independent low-side drivers with up to 500 mA drive capability per channel
- 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
- Fault reporting for open load, over load, and over temperature conditions
- Power-on reset (VDD, VDDA) and thermal shutdown protection
- 3.3 V and 5 V compatible digital input supply range
- AEC-Q100 qualified and PPAP capable
Applications
- Automotive Body Control Unit
- Automotive Engine Control Unit
- Relay Driver
- LED Driver
- Stepper Motor Driver
Q & A
- What is the maximum output current per channel of the NCV7754?
The NCV7754 can drive up to 500 mA per channel.
- How is the NCV7754 controlled?
The NCV7754 is controlled via a 16-bit SPI interface.
- What types of fault reporting does the NCV7754 support?
The NCV7754 supports fault reporting for open load, over load, and over temperature conditions.
- What is the limp home mode in the NCV7754?
The limp home mode enables OUT1-OUT4 while disabling OUT5-OUT8, controlled by the LHI pin.
- What is the package type of the NCV7754?
The NCV7754 is available in a SSOP-24 fused lead package.
- Is the NCV7754 compliant with automotive standards?
Yes, the NCV7754 is AEC-Q100 qualified and PPAP capable.
- What are the typical quiescent current values in low Iq mode?
The quiescent current in low Iq mode is typically 5 μA at 25°C, 8 μA at 125°C, and 17 μA at 150°C.
- How does the power-on reset function work in the NCV7754?
The NCV7754 has independent power-on reset functions for VDD and VDDA, ensuring the device resets to default values when the supplies exceed their respective thresholds.
- Can the NCV7754 be used for PWM operations?
Yes, the NCV7754 supports PWM operations using the parallel input pins (INx).
- What is the operating junction temperature range of the NCV7754?
The operating junction temperature range is -40°C to 150°C.
