IC manufacturers Analog Devices

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Analog Devices LTC4079IDD | Demoboard DC2133A

60V, 250mA Linear Charger with Low Quiescent Current

Overview

TopologyWireless Power Transfer
Input voltage6.5-60 V
IC revision2

Description

60V LINEAR CHARGER WITH LOW QUIESCENT CURRENTDemonstration circuit 2133A features a simple battery charger circuit using the LTC®4079 high-voltage monolithiclinear charger. The DC2133 has an input voltagerange from 2.7V to 60V and is capable of supplying upto 250mA charge current. The charge voltage is jumperselectableto 4.2V or 8.4V. Charge current is adjustablevia the PROG pin and initially programmed for 99mA. Inshutdown or when unpowered, LTC4079 consumes only10nA from the battery.DC2133A is initially configured to enable charging fromapplication of VIN above the LTC4079 UVLO threshold.

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L(µH)
IR(A)
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Q(%)
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Samples
WE-WPCC Wireless Power Transfer Receiver Coil, works with Qi Rx IC's, Ø 6 x 2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Complianceworks with Qi Rx IC's 
SizeØ 6 x 2 mm 
Inductance7.2 µH
Rated Current0.8 A
DC Resistance450 mΩ
Self Resonant Frequency32 MHz
Q-Factor10 %
Power Capability [1]5 W