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reference designNCV78964 | Demoboard NCV78964R1DAGEVB

Onsemi NCV78964 | Demoboard NCV78964R1DAGEVB

NCV78964 Daughter Board Bottom Side Cooling

Overview

TopologyBuck-Boost Converter
Input voltage4.5-70 V
Switching frequency125-2000 kHz
Output 170 V / 1.6 A
IC revision1.0

Description

The NCV78964R1DAGEVB is a form factor Reference Design of Automotive 2-phase Boost and 2 channel Buck Power LED Driver for driving two LED strings up to 1.6A/60V in Bottom Side Cooling option. The reference design can be interfaced via I/O pins and the SPI bus to an external microcontroller. It can be combined with another Buck daughter boards to gain even more Buck outputs on single evaluation kit.

Features

  • Single Chip 2 Phase Booster and Synchronous Dual Buck Solution
  • Stand-Alone/Limp Home Mode
  • 2 LED Strings up-to 60 V, High Current Capability 1.6 A per Output
  • Switched Mode Synchronous Bucks with Average CurrentRegulation through the LEDs, Programmable Buck Frequency
  • Independent Supply Voltage for Each Buck Channel
  • Buck Constant Voltage Mode Available
  • Booster Shunt-less Operation
  • Built-in Programmable Booster Soft-Start
  • Superior Stability and Response Time
  • Designed for Small Booster Output Capacitor
  • Low EMC Emission
  • High Operating Frequencies to Reduce Inductor Size − up to 2 MHz
  • 4 MHz SPI Interface for Dynamic Control of System Parameters
  • 48 V Battery System Compliant
  • ASIL B Compliant; AEC-Q100 Qualified and PPAP Capable
  • These Device are Pb-Free, Halide Free/BFR Free and are RoHSCompliant

Typical applications

  • High current LEDs and provides a complete solution to drive two LED strings of up-to 60 V
  • 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
Application
PCB/Cable/Panel
Modularity
Type
L(µH)
IR(A)
ISAT(A)
RDC max.(mΩ)
fres(MHz)
Mount
C
Tol. C
VR(V (DC))
Size
Operating Temperature
Q
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
RDC typ.(mΩ)
IRP,40K(A)
Working Voltage(V)
SamplesAvailability & Sample
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691311500102
SPECWR-TBL Series 311 - 5.08 mm Close Vertical PCB Header, 2, PCB Header
Simu­lation–
Availability
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-TBL Series 311 - 5.08 mm Close Vertical PCB Header
Pins2 
ApplicationPCB Header 
PCB/Cable/PanelPCB 
ModularityNo 
TypeClosed Vertical Plug entry 
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Rated Current15 A
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MountTHT 
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Operating Temperature -40 °C up to +105 °C
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Length11.56 mm
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PackagingBox 
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Working Voltage320 V
–Check availability
61300821121
SPECWR-PHD Pin Header - Dual, 8, –

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
Pins8 
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TypeStraight 
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Rated Current3 A
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MountTHT 
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length10.16 mm
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PackagingBag 
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Working Voltage250 V
–Check availability
61301221121
SPECWR-PHD Pin Header - Dual, 12, –

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 
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TypeStraight 
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Rated Current3 A
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MountTHT 
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length15.24 mm
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–
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PackagingBag 
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Working Voltage250 V
–Check availability
885012006061
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
–
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance470 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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–
–
–Check availability
885012206050
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Capacitance470 nF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor5 %
Insulation Resistance1.1 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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–
–
–Check availability
885012206093
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
–
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance47 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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–
–
–Check availability
885012206095
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
–
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance100 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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–
–
–Check availability
885012207128
SPECWCAP-CSGP MLCCs 100 V(DC), –, –
Simu­lation
Availability
–
Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 100 V(DC)
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Capacitance100 nF
Capacitance±10% 
Rated Voltage100 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor2.5 %
Insulation Resistance1 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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–
–
–Check availability
885012209073
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
–
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance10 µF
Capacitance±10% 
Rated Voltage50 V (DC)
Size1210 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor10 %
Insulation Resistance0.01 GΩ
Ceramic TypeX7R Class II 
Length3.2 mm
Width2.5 mm
Height2.5 mm
Pad Dimension0.6 mm
Packaging7" Tape & Reel 
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–
–
–Check availability
885012209071
SPECWCAP-CSGP MLCCs 100 V(DC), –, –
Simu­lation
Availability
–
Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 100 V(DC)
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Capacitance2.2 µF
Capacitance±10% 
Rated Voltage100 V (DC)
Size1210 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor5 %
Insulation Resistance0.05 GΩ
Ceramic TypeX7R Class II 
Length3.2 mm
Width2.5 mm
Height2.5 mm
Pad Dimension0.75 mm
Packaging7" Tape & Reel 
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–
–
–Check availability
7847714470
SPECWE-PDA SMT Shielded Power Inductor, –, –
Simu­lation
Availability
–
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-PDA SMT Shielded Power Inductor
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Inductance47 µH
Rated Current2.26 A
Saturation Current2.45 A
DC Resistance148 mΩ
Self Resonant Frequency6.4 MHz
MountSMT 
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Size1050 
Operating Temperature -50 °C up to +150 °C
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Length10 mm
Width10 mm
Height5 mm
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DC Resistance123 mΩ
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–Check availability
784373865100
SPECWE-LHCA Low Profile High Current Inductor, –, –

PCN pending

Due 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.

Simu­lation–
Availability
–
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHCA Low Profile High Current Inductor
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Inductance10 µH
Rated Current11.4 A
Saturation Current15.9 A
DC Resistance17.8 mΩ
Self Resonant Frequency8.9 MHz
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Size1365 
Operating Temperature -55 °C up to +155 °C
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Length13.45 mm
Width12.6 mm
Height6.3 mm
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DC Resistance15 mΩ
Performance Rated Current10.4 A
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–Check availability