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reference designLTC4124 | Demoboard DC2770A-B

Analog Devices LTC4124 | Demoboard DC2770A-B

LTC4124/LTC4125, 100mA Wireless Li-Ion Charger Demonstration Kit

Overview

TopologyWireless Power Transfer
Input voltage4.5-5.5 V
Output 14.35 V / 0.1 A

Description

DC2770A-B-KIT is a kit of the DC2773A-B transmitter board (featuring LTC®4125) and the DC2775A-D (featuring LTC®4124). The DC2775A-D receiver board can charge a single Li-Ion battery at up to 100 mA with an air gap of 3.0 mm to 5.0 mm between the transmit and receive coils. The DC2773A-B transmitter supports Optimum Power Search and Foreign Object Detection features via LTC4125.

More information

Parts approved by Analog Devices

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H(mm)
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SamplesAvailability & Sample
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760308101104
SPECWE-WPCC Wireless Power Transfer Transmitter Coil, –, –
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-WPCC Wireless Power Transfer Transmitter Coil
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Complianceworks with Qi Tx IC's 
SizeØ 20 x 2.8 mm 
Inductance6.8 µH
Rated Current2.5 A
DC Resistance130 mΩ
Self Resonant Frequency20 MHz
Q-Factor42 
Power Capability [1]50 W
Pins2 
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MountTHT 
Length20.5 mm
Height2.8 mm
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Operating Temperature -20 °C up to +105 °C
–Check availability
702935000
SPECWA-SNSR Self-Retaining Spacer, 4.8 mm, –
Simu­lation–
Availability
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Downloads3 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWA-SNSR Self-Retaining Spacer
Drilling in Panel4.8 mm
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Length12.7 mm
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Operating Temperature -30 °C up to +85 °C
–Check availability
760308101220
SPECWE-WPCC Wireless Power Transfer Receiver Coil, –, –
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-WPCC Wireless Power Transfer Receiver Coil
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Complianceworks with Qi Rx IC's 
SizeØ 17 x 0.8 mm 
Inductance12.6 µH
Rated Current1.1 A
DC Resistance360 mΩ
Self Resonant Frequency19 MHz
Q-Factor20 
Power Capability [1]20 W
Pins2 
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MountTHT 
Length17 mm
Height0.82 mm
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Operating Temperature -20 °C up to +105 °C
–Check availability
629105136821
SPECWR-USB Mini/Micro Connectors, –, Micro USB 2.0
Simu­lation–
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-USB Mini/Micro Connectors
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ApplicationMicro USB 2.0 
Interface TypeType B 
Variantwith Pads & Pegs 
GenderReceptacle 
PackagingTape and Reel 
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Rated Current1 A
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Pins5 
TypeHorizontal 
MountSMT 
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Working Voltage30 V (AC)
Operating Temperature -40 °C up to +105 °C
–Check availability
60800213421
SPECWR-PHD Jumper, –, –
Simu­lation–
Availability
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Downloads3 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
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GenderJumper 
PackagingBag 
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Rated Current3 A
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Pins2 
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Working Voltage200 V (AC)
Operating Temperature -25 °C up to +105 °C
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62000311121
SPECWR-PHD Pin Header, –, –
Simu­lation–
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header
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GenderPin Header 
PackagingBag 
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Rated Current2 A
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Pins3 
TypeStraight 
MountTHT 
Length6 mm
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Working Voltage200 V (AC)
Operating Temperature -40 °C up to +105 °C
–Check availability