Battery Charge Controllers | FAN54120

Single-Cell Linear Battery Charger, 500mA, with power back capability for Small Battery and IoT Applications

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Overview

The FAN54120 is a USB-compatible single-cell, linear Li-Ion battery charger with "Power Back" Capability, It supports dead battery revival, pre-charge, fast charge, and float charge states.Fast charging current (IFAST) is set with an external resistor. Pre-charge (IPRE) and charge complete (ICHGEND) currents are factory set at IFAST/5.2 and IFAST/10, respectively. An open-drain ("STAT" ) pin provides charge and/or fault status indication. The "Power Back" enables to power accessories from the battery

  • Io T Devices
  • E-Cigs / Vapes
  • Personal Mobile Devices (games, camera, etc.)
  • Point-of-Sale instruments
  • Toys

  • TWS earbuds

  • Fully integrated charger for Single Cell Li-Ion or Li-Polymer battery
  • Factory Configured Charge Voltage
  • Charge Voltage Accuracy: (+/-0.5%) and charge current accuracy (+/-4%)
  • User determined Fast charge Current via external resistor
  • Small foot print
  • Ultra low Battery Discharge Current (<120nA)
  • 28 V Absolute Maximum Input Voltage
  • True Reverse Current Blocking
  • Adaptive Thermal Regulation
  • Supports JEITA Safe-to-Charge operation with an external NTC
  • "Power Back" functionality to power accessories from the battery

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Reference Price

FAN54120MP420X

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CAD Model

Pb

A

H

P

DFN-6

506DQ

1

260

REEL

3000

Y

Li-Ion/Polymer

1

4

6

0.3

$0.2875

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FAN54120UC420X

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CAD Model

Pb

A

H

P

WLCSP6 1.36x0.76x0.581

567XQ

1

260

REEL

3000

N

Li-Ion/Polymer

1

4

6

0.3

Price N/A

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FAN54120UC425X

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CAD Model

Pb

A

H

P

WLCSP6 1.36x0.76x0.581

567XQ

1

260

REEL

3000

N

Li-Ion/Polymer

1

4

6

0.3

Price N/A

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FAN54120UC435X

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CAD Model

Pb

A

H

P

WLCSP6 1.36x0.76x0.581

567XQ

1

260

REEL

3000

N

Li-Ion/Polymer

1

4

6

0.3

Price N/A

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Reliability Data

Die Related Summary Data

Device: FAN54120MP420X

Equivalent to wafer fab process: ONC18

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

ONC18

2

6465777234

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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