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reference designNCV78902 | Demoboard NCV78902R2DAGEVB

Onsemi NCV78902 | Demoboard NCV78902R2DAGEVB

NCV78902 Daughter Board 2-ph SEPIC

Overview

TopologySEPIC Buck-Boost Topology
Input voltage3-60 V
Switching frequency125-2000 kHz
Output 162 V
IC revision1.0

Description

The NCV78902R2DAGEVB is a form factor Reference Design of Automotive 2-phase SEPIC Controller. The reference design can be interfaced via I/O pins and the SPI bus to an external microcontroller. It can be combined with Buck daughter boards and create evaluation kit which provides a complete solution turning SPI commands into LED string control.

Features

  • Single Chip Two−Phase Booster
  • Current Sensing on Shunt Resistors or MOSFETs’ RDSon
  • Stand−Alone/Limp Home Mode
  • Built−in Programmaable Soft−Start
  • Superior Stability and Response Time
  • Designed for Small Output Capacitor
  • Low EMC Emission
  • High Operating Frequencies to Reduce Inductor Size − up to 2 Mhz
  • SEPIC Mode Supported
  • 4 MHz SPI Interface for Dynamic Control of System Parameters
  • 48 V Battery System Compliant
  • ASIL B Compliant; AEC−Q100 Qualified and PPAP Capable
  • This Device is Pb-Free, Halide Free and are RoHS Compliant

Typical applications

  • High current LEDs
  • Automotive front lighting applications like high beam, low beam, DRL (daytime running light), turn indicator, fog light, static cornering

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
Pins
Type
Mount
L(mm)
H(mm)
IR(A)
Working Voltage(V (AC))
Operating Temperature
L1(µH)
L2(µH)
n
IR(A)
IR(A)
IR 2(A)
ISAT1(A)
ISAT2(A)
RDC 1(mΩ)
RDC 2(mΩ)
SamplesAvailability & Sample
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61300821121
SPECWR-PHD Pin Header - Dual, 8, Straight

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation–
Availability
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Dual
Pins8 
TypeStraight 
MountTHT 
Length10.16 mm
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Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
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Rated Current3 A
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61301221121
SPECWR-PHD Pin Header - Dual, 12, Straight

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation–
Availability
–
Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Dual
Pins12 
TypeStraight 
MountTHT 
Length15.24 mm
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Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
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74485540101
SPECWE-CFWI Coupled Flatwire Inductor, –, –
Simu­lation
Availability
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Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-CFWI Coupled Flatwire Inductor
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Length15.5 mm
Height12.5 mm
Rated Current13 A
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Operating Temperature -40 °C up to +150 °C
Inductance 110 µH
Inductance 210 µH
Turns Ratio1:1 
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Rated Current13 A
Rated Current 213 A
Saturation Current 113.5 A
Saturation Current 213.5 A
DC Resistance 113.9 mΩ
DC Resistance 213.9 mΩ
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