LTC4123

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Low Power Wireless Charger for Hearing Aids

Data Sheet Product Selection Table

Part Models: 2
1ku List Price: Starting From $3.18

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Part Details

Complete Low Power Wireless NiMH Charger
Low Minimum Input Voltage: 2.2V
Small Total Solution Volume
1.5V, 25mA Linear Single-Cell NiMH Charger
Temperature Compensated Charge Voltage
Integrated Rectifier with Overvoltage Limit
Zinc-Air Battery Detection
Reverse Polarity Protection
Thermally Enhanced 6-Lead (2mm × 2mm) DFN package

Part Models: 2
1ku List Price: Starting From $3.18

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC4123EDC#TRMPBF	6-Lead DFN (2mm x 2mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4123EDC#TRPBF	6-Lead DFN (2mm x 2mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Hardware Ecosystem

Parts	Product Life Cycle	Description
TimerBlox 1
LTC6990	PRODUCTION	TimerBlox: Voltage Controlled Silicon Oscillator

Parts	Product Life Cycle	Description
LTC4120 LTC4120-4.2		Wireless Power Receiver and 400mA Buck Battery Charger

Tools & Simulations

LTspice 1

LTC4123 - Battery Charger IC

Models for the following parts are available in LTspice:

LTC4123

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

LTC4123EDC Demo Board | A Kit to Charge a NiMH Button Cell Battery Up to 25mA at 1.5V from a 5V Wireless Transmitter

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Product Details

Demonstration Circuit DC2302A is a kit of the DC2300A demonstration board, featuring the LTC4123EDC, and the DC2301A Single Switch Transmitter demonstration board. The DC2300A can charge a single NiMH battery at up to 25mA, with an air gap of 0.8mm to 4.0mm. The DC2300A detects Zn-Air primary cells and will not charge them.