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Analog Devices LTC4125 | Demoboard DC2770A-B
LTC4124/LTC4125, 100mA Wireless Li-Ion Charger Demonstration Kit
Overview
| Topology | Wireless Power Transfer |
| Input voltage | 4.5-5.5 V |
| Output 1 | 4.35 V / 0.1 A |
Description
DC2770A-A-KIT is a kit of the DC2773A-A transmitter board (featuring LTC®4125) and the DC2775A-C (featuring LTC®4124). The DC2775A-C receiver board can charge a single Li-Ion battery at up to 50 mA with an air gap of 3.0 mm to 5.0 mm between the transmit and receive coils. The DC2773A-A transmitter board supports Foreign Object Detection via the LTC4125.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | f(mm) | Interface Type | Variant | Gender | Packaging | Compliance | Size | L(µH) | IR(A) | RDC max.(mΩ) | fres(MHz) | Q(%) | P(W) | Pins | Type | Mount | L(mm) | H(mm) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-WPCC Wireless Power Transfer Transmitter Coil, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-WPCC Wireless Power Transfer Transmitter Coil | – | – | – | – | – | 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 | – | MountTHT | Length20.5 mm | Height2.8 mm | – | Operating Temperature -20 °C up to +105 °C | ||||
 | WA-SNSR Self-Retaining Spacer, 4.8 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SNSR Self-Retaining Spacer | Drilling in Panel4.8 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length12.7 mm | – | – | Operating Temperature -30 °C up to +85 °C | |||
 | WE-WPCC Wireless Power Transfer Receiver Coil, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-WPCC Wireless Power Transfer Receiver Coil | – | – | – | – | – | 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 | – | MountTHT | Length17 mm | Height0.82 mm | – | Operating Temperature -20 °C up to +105 °C | ||||
 | WR-USB Mini/Micro Connectors, –, Micro USB 2.0 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | – | Interface TypeType B | Variantwith Pads & Pegs | GenderReceptacle | PackagingTape and Reel | – | – | – | Rated Current1 A | – | – | – | – | Pins5 | TypeHorizontal | MountSMT | – | – | Working Voltage30 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | GenderJumper | PackagingBag | – | – | – | Rated Current3 A | – | – | – | – | Pins2 | – | – | – | – | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | |||
 | WR-PHD Pin Header, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | GenderPin Header | PackagingBag | – | – | – | Rated Current2 A | – | – | – | – | Pins3 | TypeStraight | MountTHT | Length6 mm | – | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C |