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IC manufacturers Renesas

IC manufacturers (108)

reference designRRB86848 | Demoboard RTKRB86848DE0000BU

Renesas RRB86848 | Demoboard RTKRB86848DE0000BU

Bidirectional 48V Buck-Boost Voltage Regulator with SMBus Interface and USB PD

Overview

TopologyBuck-Boost Converter
Input voltage3.9-55 V
Switching frequency377-948 kHz
Output 155 V / 12 A
Output 255 V / 6 A
IC revision1.02

Typical applications

  • 140W-240W Dual Ports USB Type-C & USB PD Charger
  • Battery charging for lawn mowers and other lawn tools, e-bikes, power tools, and power banks

More information

Parts approved by Renesas

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IR(A)
ISAT(A)
RDC max.(Ω)
fres(MHz)
Type
Version
Pins
Mount
L(mm)
H(mm)
Working Voltage(V (AC))
Operating Temperature
Packaging
SamplesAvailability & Sample
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74408943470
SPECWE-SPC SMT Power Inductor, 47 µH, 0.8 A
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-SPC SMT Power Inductor
Inductance47 µH
Rated Current0.8 A
Saturation Current1.05 A
DC Resistance0.351 Ω
Self Resonant Frequency12 MHz
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VersionSMT 
Pins2 
MountSMT 
Length4.8 mm
Height3.8 mm
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Operating Temperature -40 °C up to +125 °C
–
–Check availability
61300311121
SPECWR-PHD Pin Header - Single, –, 3 A
Simu­lation–
Availability
–
Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Rated Current3 A
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–
–
TypeStraight 
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Pins3 
MountTHT 
Length7.62 mm
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Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
PackagingBag 
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Additional parts recommended by Würth Elektronik

Recommended parts are Würth Elektronik alternatives that are not formally approved for this reference design. Please verify it is suitable for your application, and contact us if you have any questions.

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Order Code
Data­sheet
Downloads
Status
Product series
L(µH)
ISAT(A)
RDC typ.(mΩ)
IRP,40K(A)
SamplesAvailability & Sample
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784373865033
SPECWE-LHCA Low Profile High Current Inductor, 3.3 µH, 27.1 A

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.

Availability
–
Downloads10 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LHCA Low Profile High Current Inductor
Inductance3.3 µH
Saturation Current27.1 A
DC Resistance5 mΩ
Performance Rated Current19 A
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