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reference designLTC3652HV

Analog Devices LTC3652HV

Power Tracking 2A Battery Charger

Overview

TopologyWireless Power Transfer
Input voltage4.75-5.25 V

Description

LTC4125 Driving a 24μH Transmit Coil at 103kHz, 119kHz Frequency Limit and 41.5°C Transmit CoilSurface Temperature Limit in a Wireless Power System with LT3652HV as a 1A Single Cell LiFePO4(3.6V Float) Battery Charger at the Receiver

Features

Input Supply Voltage Regulation Loop for PeakPower Tracking in (MPPT) Solar ApplicationsWide Input Voltage Range: 4.95V to 34V (40V Abs Max)Programmable Charge Rate Up to 2AUser Selectable Termination: C/10 or On-BoardTermination TimerResistor Programmable Float Voltage Up to 18VAccommodates 4-Cell Li-Ion/Polymer, 5-CellLiFePO4, Lead-Acid ChemistriesParallelable for Higher Output Current1MHz Fixed Frequenc 0.5% Float Voltage Reference Accuracy5% Charge Current Accuracy2.5% C/10 Detection AccuracyBinary-Coded Open-Collector Status PinsThermally Enhanced 3mm × 3mm DFN and MSEPackages

Typical applications

  • Remote Monitoring Stations
  • 12V to 24V Automotive Systems
  • Battery Charging from Current Limited Adapter
  • Solar Powered Applications
  • Portable Handheld Instruments

More information

Products

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Data­sheet
Simu­lation
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Product series
Compliance
Size
L(µH)
IR(A)
RDC max.(mΩ)
fres(MHz)
Q(%)
P(W)
Samples
760308101303
WE-WPCC Wireless Power Transfer Receiver Coil, works with Qi Rx IC's, Ø 26 x 1.3 mm
Simu­lation
Downloads8 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-WPCC Wireless Power Transfer Receiver Coil
Complianceworks with Qi Rx IC's 
SizeØ 26 x 1.3 mm 
Inductance47 µH
Rated Current1.5 A
DC Resistance500 mΩ
Self Resonant Frequency8 MHz
Q-Factor25 %
Power Capability [1]20 W