LTC4126

24

Rev. A

For more information www.analog.com

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ANALOG DEVICES, INC. 2018-2020

02/20

www.analog.com

RELATED PARTS

TYPICAL APPLICATION

68nF

2.2µF

1.2V

ACIN

OUT

GND

Li-Ion

4.35V

LTC4126

BAT

EN

CHRG

+

ACPR

STAT2

DIGITAL I/O

STAT1

NTC

PUSHBUTTON

PBEN

4126 TA03

100k

D1

8µH

NTC RESISTOR

THERMALLY

COUPLED

WITH BATTERY

R1

232k

C1

4.7µF

5V

C2

100µF

2.7µH

GND

OUT

33nF

100nF

M1

Si2312CDS

SET

MOD

DIV

LTC6992

AIR GAP

(2mm TO 4mm)

R2

732k

R3

66.5k

M1: VISHAY Si2312CDS-T1-GE3

D1: ROHM SEMICONDUCTOR STL-311UTT86

Wireless 7.5mA Li-Ion Battery Charger (4.35V) Tuned at 266kHz with Pushbutton Enabling

PART NUMBER DESCRIPTION

COMMENTS

LTC4120

400mA Wireless Power Receiver Buck Battery

Charger

Wireless 1 to 2 Cell Li-Ion Charger, 400mA Charge Current, Dynamic Harmonization

Control, Wide Input Range: 12.5V to 40V, 16-Lead 3mm × 3mm QFN Package

LTC4123

Low Power Wireless Charger for Hearing Aids

Wireless Single NiMH Charger, Integrated Rectifier with Overvoltage Limit, 25mA Charge

Current, Zn-Air Detect, Temperature Compensated Charge Voltage, 6-Lead 2mm × 2mm

DFN Package

LTC4125

5W Auto Resonant Wireless Power Transmitter Monolithic Auto Resonant Full Bridge Driver. Transmit Power Automatically Adjusts to

Receiver Load, Foreign Object Detection, Wide Operating Switching Frequency Range:

50kHz to 250kHz, Input Voltage Range 3V to 5.5V, 20-Lead 4mm × 5mm QFN Package

LTC4070

Li-Ion/Polymer Shunt Battery Charger System

Li-Ion/Polymer Shunt Battery Charger, Low Operating Current (450nA), 50mA Internal

Shunt Current, Pin Selectable Float Voltages (4.0V, 4.1V, 4.2V), 8-Lead 2mm × 3mm

DFN and MSOP Packages

LTC4071

Li-Ion/Polymer Shunt Battery Charger System

with Low Battery Disconnect

Charger Plus Pack Protection in One IC, Low Operating Current (550nA), 50mA Internal

Shunt Current, Pin Selectable Float Voltages (4.0V, 4.1V, 4.2V), 8-Lead 2mm × 3mm

DFN and MSOP Packages

LTC6990

TimerBlox: Voltage Controlled Silicon Oscillator Fixed-Frequency or Voltage-Controlled Operation, Frequency Range of 488Hz to 2MHz,

Low-Profile SOT-23 and 2mm × 3mm DFN Packages

LTC6992

TimerBlox: Voltage Controlled Pulse-Width

Modulator (PWM)

Pulse Width Modulation by 0V to 1V Analog Input, Frequency Range of 3.81Hz to 1MHz,

Low-Profile SOT-23 and 2mm × 3mm DFN Packages