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reference designRTQ2159 | Demoboard EVB_RTQ2159GQWTF-QA

Richtek RTQ2159 | Demoboard EVB_RTQ2159GQWTF-QA

8A, 6.5V, 2.1MHz Synchronous Step-Down Converter with I2C Interface Evaluation Board

Overview

TopologyBuck Converter
Input voltage2.85-6.5 V
Output 11 V / 8 A
IC revision00

Description

The RTQ2159 is a high-performance, synchronous step-down converter that can deliver up to 8A output current with an input supply voltage range of 2.85V to 6.5V. This document explains the function and use of the RTQ2159 evaluation board (EVB), and provides information to enable operation, modification of the evaluation board, bill of materials and schematic to meet individual requirements.

Features

  • AEC-Q100 Grade 1 Qualified
  • Dramatically Fast Transient Response
  • Selectable Switching Frequency (0.46MHz / 0.69MHz / 0.92MHz / 2.1MHz)
  • Extremely High Efficiency 15mΩ/10mΩ MOSFETs
  • Advanced COT Control Loop
  • Wide Input Voltage Range from 2.85V to 6.5V
  • Optimized for Ceramic Output Capacitors
  • Internal Start-Up into Pre-biased Outputs
  • Power Good Indicator
  • Enable Control
  • Over-Current and Over-Temperature Protections
  • Under-Voltage Protection with Hiccup Mode
  • VID Control Range Via I2C Compatible Interface : 0.6V to 1.5V step = 10mV

Typical applications

  • Automotive & e-Mobility
  • Industrial
  • Consumer Electronics
  • Communication & Enterprise

More information

Parts approved by Richtek

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
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744316022
SPECWE-HCI SMT Flat Wire High Current Inductor, 0.22 µH, 29.9 A

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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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance0.22 µH
Performance Rated Current29.9 A
Saturation Current @ 10%14 A
Saturation Current @ 30%25 A
DC Resistance1.25 mΩ
Self Resonant Frequency507 MHz
MaterialSuperflux 
Packaging Unit1500 
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