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IC manufacturers Renesas

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reference designISL81801DEMO1Z | Demoboard ISL81801DEMO1Z

Renesas ISL81801DEMO1Z | Demoboard ISL81801DEMO1Z

80V Bidirectional 4-Switch Synchronous Buck-Boost Controller

Overview

TopologyBuck-Boost Converter
Input voltage32-80 V
Switching frequency100-600 kHz
Output 148 V / 10 A
IC revision1

Description

The ISL81801DEMO1Z demonstration board (shown in Figure 8) features the ISL81801, a 80V high voltage synchronous buck-boost controller that provides external soft-start, independent enable functions, and integrates UV/OV/OC/OT protection. Programmable switching frequency ranging from 100kHz to 600kHz helps to optimize the inductor size while the strong gate driver delivers up to 20A for the buck-boost output.

Features

  • Wide input range: 32V to 80V
  • Bidirectional operation
  • High light-load efficiency in pulse skipping DEM operation
  • Programmable soft-start
  • Optional DEM/PWM operation
  • Optional CC/HICCUP OCP protection
  • Supports prebias output with soft-start
  • PGOOD indicator
  • OVP, OTP, and UVP protection
  • Parallelable operation

Typical applications

  • Medical equipment
  • Robots and drones
  • Redundant power supplies
  • Security surveillance
  • Aftermarket automotive
  • Battery backup, UPS/storage systems, Battery powered industrial applications, Renewable energy
  • Building and industrial automation

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
Mount
Pins
Type
L(mm)
H(mm)
IR(A)
Working Voltage(V (AC))
Operating Temperature
SamplesAvailability & Sample
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74439370150
SPECWE-XHMI SMT Power Inductor, 15 µH, 14.7 A
Simu­lation
Availability
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Downloads9 files

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CAD files ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance15 µH
Performance Rated Current14.7 A
Saturation Current @ 30%26.1 A
DC Resistance10.5 mΩ
DC Resistance11.55 mΩ
Self Resonant Frequency8 MHz
MountSMT 
Pins2 
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Length16.4 mm
Height10 mm
Rated Current10 A
–
Operating Temperature -40 °C up to +125 °C
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613040243121
SPECWR-PHD Socket Header - Dual, –, –
Simu­lation–
Availability
–
Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Socket Header - Dual
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MountTHT 
Pins40 
TypeAngled 
Length51.3 mm
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Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
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