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Regular price $11.16
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100+ $2.09 $209.00
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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging Bulk |
Battery Chemistry Lithium Ion
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current, Timer, Voltage
Fault Protection Over-Under Voltage, Reverse Battery
Charge Current - Max 100mA
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 12V
Interface -
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 12-WQFN Exposed Pad
Supplier Device Package 12-TQFN (4x4)

The MAX1926ETC is a linear charger designed for single-cell Lithium Ion batteries, offering a modest 100mA charge current to safely charge small-capacity cells to 4.2V. Its 12-WQFN package is ideal for space-constrained designs. Integrated over-under voltage and reverse battery protection ensure robust operation in portable and medical applications.

  • 100mA charge current is ideal for low-capacity Li+ cells, preventing over-stress.
  • Reverse battery protection prevents damage from incorrect battery insertion.
  • Over-under voltage protection ensures safe charging and extends battery life.
  • Compact 12-WQFN package fits tight PCB layouts.

Low-Power Wearables

With a 100mA charge current, it is perfect for small wearables like smart watches that need gentle, safe charging of a single Li+ cell.

Medical Implants

The reverse battery protection ensures safe handling during assembly and maintenance, critical for medical devices where reliability is paramount.

Remote Controls

Ideal for low-capacity Li+ batteries in remote controls, providing a controlled 4.2V charge without over-stressing the cell.

Portable Instruments

Suits compact instruments that require a precise charge profile and protection against under-voltage conditions that could damage the battery.

Embedded Systems

For always-on embedded systems with a backup Li+ cell, this charger maintains the battery safely with its over-under voltage monitoring.

Q: What battery chemistry is supported?
A: This charger is for Lithium Ion batteries.
Q: How many cells can it charge?
A: It supports 1 cell.
Q: What is the maximum charge current?
A: The maximum charge current is 100mA.
Q: What is the battery voltage?
A: The battery voltage is 4.2V.
Q: What fault protections are included?
A: It includes Over-Under Voltage and Reverse Battery protection.
Q: What is the package type?
A: It comes in a 12-WQFN Exposed Pad package.
Base Product Number : MAX1926
100mA 12-WQFN 4.2V Battery Charger Linear Lithium Ion
Q: What battery chemistry is supported?
A: This charger is for Lithium Ion batteries.
Q: How many cells can it charge?
A: It supports 1 cell.
Q: What is the maximum charge current?
A: The maximum charge current is 100mA.
Q: What is the battery voltage?
A: The battery voltage is 4.2V.
Q: What fault protections are included?
A: It includes Over-Under Voltage and Reverse Battery protection.
Q: What is the package type?
A: It comes in a 12-WQFN Exposed Pad package.