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Analog Devices MAX8814ETA+T — Power Management (PMIC / Gate Driver)
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Analog Devices / Power Management (PMIC / Gate Driver)

MAX8814ETA+T Li-Ion Charger IC, 8-TDFN, Active

MPN MAX8814ETA+T
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Analog Devices MAX8814ETA+T single-cell Li-Ion battery charger IC, 8-WFDFN Exposed Pad package, 656 mA max charge current, over-voltage protection, -40°C to 85°C.

In Stock: 1,943 pcs
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[SPEC] Essential Parameters Snapshot Full Specifications (11)
Package / Case 8-WFDFN Exposed Pad
Supply Voltage 6.8V

Full Technical Specifications

11 Parameters
MAX8814ETA+T specifications
Parameter / AttributeSpecification / Value
MountingSurface Mount
Battery pack voltage4.2V
Supply voltage6.8V
Current - chargingConstant - Programmable
Charge current - max656mA
Operating temperature-40°C ~ 85°C (TA)
PackageTape & Reel (TR); Cut Tape (CT)
Case8-WFDFN Exposed Pad
Number of cells1
Fault protectionOver Voltage
Battery chemistryLithium Ion
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Technical Details & Description

Single-cell Li-Ion charger with programmable current

The MAX8814ETA+T is a single-cell Lithium Ion battery charger IC from Analog Devices, designed for constant-current / constant-voltage (CC/CV) charging of a 4.2 V battery pack. The charge current is programmable up to 656 mA maximum, and the IC includes over-voltage fault protection to guard the battery and the charging circuit against supply transients.

Package and temperature range

Housed in an 8-WFDFN Exposed Pad package (8-TDFN-EP, 2x2 mm), surface-mount assembly requires a thermal pad connection on the PCB to dissipate heat from the charging pass element.

Supply voltage and protection

Maximum supply voltage is 6.8 V, which means the charger can run from a standard 5 V USB bus or a regulated 5 V rail with headroom for the internal linear regulator. The over-voltage protection block disconnects the battery if the input exceeds a safe threshold, preventing damage to the cell and the downstream load.

Frequently asked questions

What is the maximum charge current for MAX8814ETA+T?

The maximum programmable charge current is 656 mA, suitable for single-cell Li-Ion batteries in the 500–700 mAh range.

What package does MAX8814ETA+T use?

It uses an 8-WFDFN Exposed Pad package (8-TDFN-EP, 2x2 mm) for surface-mount assembly.

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