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reference designLTC4126 | Demoboard DC2687A

Analog Devices LTC4126 | Demoboard DC2687A

LTC4126EDC Low Power Wireless Charger Demonstration Kit

Overview

TopologyWireless Power Transfer
Input voltage4.5-5.5 V
Output 14.35 V
IC revisionA

Description

DC2663A-KIT is a Demonstration kit of the DC2662A receiver board, featuring the LTC4126EDC, the DC2661A singleswitch transmitter board featuring the LTC6992 and the DC2687A application-sized receiver board featuring the LTC4126EDC. The DC2662A can charge a single Li-Ion battery at up to 7.5 mA with an air gap of 2.0 mm to 4.0 mm.

Features

  • Wireless Li-Ion Battery Charger Plus High Efficiency Multi- Mode Charge Pump DC/DC
  • Wideband Rx Frequency: DC to >10MHz
  • Integrated Rectifier with Overvoltage Limi
  • Pin Selectable Charge Voltage: 4.2V or 4.35V
  • Charge Current: 7.5mA (Fixed)
  • Low Battery Disconnect: 3.0V
  • NTC Pin for Temperature Qualified Charging
  • NTC Pin for Temperature Qualified Charging
  • DC/DC Regulated Output: 1.2V
  • DC/DC Output Current: Up to 60mA
  • 50kHz/75kHz Switching, No Audible Noise
  • Pushbutton and/or Digital on/off Control for DC/DC
  • Thermally Enhanced 12-Lead 2mm × 2mm LQFN Package

Typical applications

  • Wireless Headsets, IoT Wearables, Hearing Aids, Low Power Li-Ion Powered Devices

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
H(mm)
Operation Force(g)
Electrical Life(Cycles)
Actuator Color
Washable
Vaporphase process
Compliance
Size
L(µH)
IR(A)
RDC max.(mΩ)
fres(MHz)
Q
P(W)
Pins
Type
Mount
L(mm)
Working Voltage(V (AC))
Operating Temperature
SamplesAvailability & Sample
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760308101216
SPECWE-WPCC Wireless Power Transfer Receiver Coil, 2 mm, –
Simu­lation
Availability
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Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-WPCC Wireless Power Transfer Receiver Coil
Height2 mm
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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
Pins2 
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MountTHT 
Length6 mm
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Operating Temperature -20 °C up to +105 °C
–Check availability
434111025826
SPECWS-TASV SMT Tact Switch 6.0x3.8 mm, 2.5 mm, 260 g
Simu­lation–
Availability
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Downloads6 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWS-TASV SMT Tact Switch 6.0x3.8 mm
Height2.5 mm
Operation Force260 g
Electrical Life30000 Cycles
Actuator ColorWhite 
WashableNo 
Vaporphase processnot specified 
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Rated Current0.05 A
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Operating Temperature -40 °C up to +85 °C
–Check availability
60800213421
SPECWR-PHD Jumper, –, –
Simu­lation–
Availability
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Downloads3 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
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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
–Check availability
62000311121
SPECWR-PHD Pin Header, –, –
Simu­lation–
Availability
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Downloads7 files

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