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Onsemi NCV78825DQ0R2G | Demoboard NCV78825R1DAGEVB: NCV78825 Daughter board
High Efficiency 3 A Synchronous Buck Dual LED Driver with Integrated High Side Switch and Current Sensing for Automotive Front Lighting
Overview
| Topology | Buck Converter |
| Input voltage | 1-68 V |
| Output 1 | 60 V / 3 A |
Description
The NCV78825R1DAGEVB is a form factor Reference Design of High Efficiency Dual Channel / 2 x 3 A Synchronous Buck LED Driver with Integrated High Side Switch and Current Sensing for Automotive Front Lighting. The reference design can be interfaced via I/O pins and the SPI bus to an external microcontroller. It can be combined with Multiphase Boost Controller daughter boards and create evaluation kit which provides a complete solution turning SPI commands into LED string control. Note: This board is part of the NCV78825R1GEVK LED Driver Evaluation Kit.
Features
- Single Chip
- Buck Topology
- 2 LED Strings up−to 60 V
- High Current Capability up to 3 A DC per Output
- Integrated High Side Switch
- Low Side Pre−driver for External NMOS Device
- High Overall Efficiency
- Minimum of External Components
- Integrated High Accuracy Current Sensing
- Integrated Switched Mode Buck Current Regulator
- Average Current Regulation Through the LEDs
- High Operating Frequencies to Reduce Inductor Sizes
- Low EMC Emission for LED Switching and Dimming
- SPI Interface for Dynamic Control of System Parameters
- Fail Safe Operating (FSO) Mode, Stand−Alone Mode
- Master−Slave Synchronization Mode of the Buck Channels
- NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
- This is a Pb−Free Device
Typical applications
- High Beam, Low Beam, DRL, Position or Park Light , Turn Indicator, Fog, Static Cornering
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744770147 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 47 | 3.3 | 4.3 | 3 | 4.25 | 64 | 7.9 | 1280 | Standard | 2 | – | 8 | – | – | – | – | ||
 | 61301221121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Dual Pin Header | – | – | – | – | – | – | – | – | – | 12 | Dual | – | Pin Header | Straight | 3 | Bag | |
 | 61301621121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Dual Pin Header | – | – | – | – | – | – | – | – | – | 16 | Dual | – | Pin Header | Straight | 3 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744770147 | SPEC | |
| 61301221121 | SPEC | – |
| 61301621121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|