NCV78514: Advanced Automotive LED Driver
The NCV78514 is a high-performance, intelligent, single-channel, H-bridge LED driver by onsemi
The onsemi NCV78514 is a cutting-edge LED driver designed specifically for automotive applications. This intelligent single-channel H-bridge driver integrates a synchronous buck and an external asynchronous boost topology, making it highly versatile for various LED loads. With an input voltage range of 5 V to 21 V and an output voltage capability of up to 60 V, the NCV78514 can drive LED currents up to 1.5 A. It is optimized for MCU-less setups, featuring smart functionalities such as input voltage and temperature-based derating, diagnostic and error handling, and LED current dimming. The NCV78514 is AEC-Q100 qualified, ensuring high reliability and performance in automotive environments. This driver is ideal for applications requiring robust and efficient LED control, offering a comprehensive solution for modern automotive lighting systems.
- Intelligent single-channel H-bridge topology
- Integrated synchronous buck and external asynchronous boost
- Input voltage range: 5 V to 21 V
- Output voltage range: up to 60 V
- LED current: up to 1.5 A
- Smart derating based on input voltage and temperature
- Diagnostic and error handling
- LED current dimming
- Fixed switching frequency at 400 kHz
- Warm start management below 9 V
- Withstands load dump up to 45 V
- External programmable current: 200 mA to 1500 mA
- Pulse width modulation (PWM) from 80 Hz to 600 Hz
- Spread spectrum for EMI reduction
- AEC-Q100 qualified and PPAP capable
- Automotive headlights
- Fog lamps
- Daytime running lights (DRL)
- Cornering lights
- Logo projection
- Logo lighting
- Interior ambient lighting
- Rear combination lamps
- Brake lights
- Turn signals
- Reverse lights
- License plate lights
- Dashboard illumination
- Instrument cluster lighting
- Glove box lighting
NCV78514: Advanced Automotive LED Driver
| Image | Manufacturer Part Number | Description | Type | Topology | Internal Switch(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | NCV78514PA0R2G | IC LED DVR CONT 1.5A 16TSSOP | DC DC Controller | Half-Bridge, Step-Down (Buck), Step-Up (Boost) | Yes | 3864 - Immediate 4000 - Factory Stock | $4.74 | View Details |



