LTC4126

RECOMMENDED FOR NEW DESIGNS

7.5mA Wireless Li-Ion Charger with 1.2V Step-Down DC/DC Converter

Data Sheet (Rev. A) Product Selection Table

Part Models: 2
1ku List Price: Starting From $3.12

Viewing:

Part Details

Wireless Li-Ion Battery Charger Plus High Efficiency Multi-Mode Charge Pump DC/DC
Wideband Rx Frequency: DC to >10MHz
Integrated Rectifier with Overvoltage Limit
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
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

Part Models: 2
1ku List Price: Starting From $3.12

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
LTC4126EV#TRMPBF	12-Lead LQFN (2mm x 2mm x 0.74mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4126EV#TRPBF	12-Lead LQFN (2mm x 2mm x 0.74mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

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

Tools & Simulations

LTspice 1

LTC6990 - Counters, Timers and Delay Linear, LTC4126 - Battery Management

Models for the following parts are available in LTspice:

LTC4126-ADJ

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

LTC4126EDC Low Power Wireless Charger Demonstration Kit

Buy Now View Details

Product Details

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.