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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) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Pins (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744770147 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 47 | 4.25 | 64 | 7.9 | 1280 | Standard | 2 | – | 8 | – | – | – | – | ||
 | 61301221121 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | – | 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 PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | – |
| 61301621121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Pins (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|
