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High Current Charging Switch with Protection

Obsolete

Overview

The FAN54151 is a low loss, high current, I2C controlled switch.
Built in protection monitors the ICs input and output for over- and under-voltage as well as over- and under-current. The system protection is provided by controlling the gate voltages of a pair of N-channel MOSFETs to ensure that the output stays within a safe operating range. If a fault is detected, the FAN54151 will turn off the N-channel FETs and notify the host system via configurable interrupts.
Additionally, the FAN54151 includes an integrated temperature sensor and battery cell voltage monitor that provides additional protection.
The FAN54151 utilizes a 20-Bump, 0.5 mm pitch WLCSP package.

  • Integrated Back-to-Back Common Source N-channel MOSFETs with combined RON = 17 mÎ
  • Over-Voltage Input Protection to +20 V
  • Hardware-based Safety and Protection for:
  • Input Over-Voltage Protection and Lockout
  • Input Under-Voltage Lockout
  • Fast and Slow Output Over-Voltage Protection
  • Over-Current Protection with Selectable Limits
  • Safe Operating Temperature
  • Charger Detach Protection
  • True Reverse Current Blocking (TRCB)
  • Fully Integrated I2C Slave with Configurable Address
  • Configurable Host Interrupts

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CAD Models

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Type

Number of Cells Charged

VCC Min (V)

VCC Max (V)

ID Max (µA)

Reference Price

FAN54151UCX

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Obsolete

CAD Model

Pb

A

H

P

WLCSP-20

1

260

REEL

3000

N

Charger

-

3

5.9

-

Price N/A

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