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Analog Devices LTC4120 | Demoboard DC2181A-B

LTC4120EUD Wireless Power Receiver and 400mA Buck Battery Charger

Overview

TopologyBuck Converter
Input voltage12-40 V
Output 14.2 V / 0.4 A
IC revision3

Description

Demonstration circuit 2181A-B features the LTC®4120EUD wireless power receiver with 400mA synchronous step-down CC/CV battery charger. The DC2181 is used with the DC1968A wireless power transmitter or the PowerByProxi ProxiPoint transmitter. Either can deliver 2W to the DC2181, with up to 10mm spacing between the transmitter and the receive coil. The basic transmitter doesn’t support foreign metal object detection

Products

Order Code
Data­sheet
Simu­lation
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Status
Product series
Compliance
Size
L(µH)
IR(A)
RDC max.(mΩ)
fres(MHz)
Q(%)
P(W)
Samples
WE-WPCC Wireless Power Transfer Receiver Coil, works with Qi Rx IC's, Ø 26 x 1.3 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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