Overview
The NCV78723MW2R2G is a high-efficiency, dual-channel LED driver IC designed by onsemi, specifically tailored for automotive front lighting applications. This single-chip solution is optimized for driving high-current LEDs and supports various lighting functions such as high beam, low beam, daytime running lights (DRL), turn indicators, fog lights, and static cornering lights. The device features integrated current sensing and does not require external sense resistors for buck current regulation, making it a compact and efficient solution with minimal external components.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Part Number | NCV78723MW2R2G |
| Package Type | 24-QFN (5x5) |
| Topology | Step-Down (Buck), Step-Up (Boost) |
| Internal Switches | Yes |
| Number of Outputs | 2 |
| Minimum Supply Voltage | 6V |
| Maximum Supply Voltage | 67V |
| Maximum Output Voltage | 60V |
| Output Collector Current | 1.6A |
| Operating Temperature | -40°C to 150°C (TJ) |
| Dimming | Analog, PWM |
| Mounting Type | Surface Mount, Wettable Flank |
Key Features
- High-efficiency dual-channel LED driver for automotive front lighting applications.
- Integrated current sensing without the need for external sense resistors.
- Supports both step-down (buck) and step-up (boost) topologies.
- Analog and PWM dimming capabilities.
- Independent current regulators for each LED string.
- Diagnostic features for automotive front lighting.
- Operating temperature range from -40°C to 150°C (TJ).
- ROHS and Reach compliant.
Applications
The NCV78723MW2R2G is primarily designed for automotive front lighting applications, including:
- High beam and low beam headlights.
- Daytime running lights (DRL).
- Turn indicators.
- Fog lights.
- Static cornering lights.
Q & A
- What is the primary application of the NCV78723MW2R2G?
The NCV78723MW2R2G is primarily designed for automotive front lighting applications. - What are the supported dimming methods?
The device supports both analog and PWM dimming. - How many output channels does the NCV78723MW2R2G have?
The device has 2 independent output channels. - What is the maximum output current per channel?
The maximum output current per channel is 1.6A. - What is the operating temperature range of the NCV78723MW2R2G?
The operating temperature range is from -40°C to 150°C (TJ). - Does the NCV78723MW2R2G require external sense resistors for buck current regulation?
No, it does not require external sense resistors for buck current regulation. - What are the supported topologies?
The device supports both step-down (buck) and step-up (boost) topologies. - Is the NCV78723MW2R2G ROHS and Reach compliant?
Yes, it is ROHS and Reach compliant. - What is the package type of the NCV78723MW2R2G?
The package type is 24-QFN (5x5). - Can multiple NCV78723MW2R2G devices be combined for more than 2 LED channels?
Yes, multiple devices can be combined to support more than 2 LED channels.
