Protected Power Switches | FPF1320

IntelliMAX™ Dual-Input Single-Output Advanced Power Switch with True Reverse-Current Blocking

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Overview

The FPF1320/21 is a Dual-Input Single-Output (DISO) load switch consisting of two sets of slew-rate controlled, low on-resistance, P-channel MOSFET switches and integrated analog features. The slew-rate-controlled turn-on characteristic prevents inrush current and the resulting excessive voltage droop on the power rails. The input voltage range operates from 1.5V to 5.5V to align with the requirements of low-voltage portable device power rails. FPF1320/21 performs seamless power-source transitions between two input power rails using the SEL pin with advanced break-before-make operation.
FPF1320/21 has a TRCB function to block unwanted reverse current from output to input during ON/OFF states. The switch is controlled by logic inputs of the SEL and EN pins, which are capable of interfacing directly with low-voltage control signals (GPIO).
FPF1321 has 65Ω on-chip load resistor for output quick discharge when EN is LOW.
FPF1320/21 is available in 1.0mm x 1.5mm WLCSP, 6-bump, with 0.5mm pitch.

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Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

Over Current - Shutdown (Y/N)

Over Current - Current Source (Y/N)

Current Limit (FIXED/ADJ/NO)

Over Voltage Protection (Y/N)

Reverse Current Blocking (Y/N)

FAULT Signal (Y/N)

PGOOD (Y/N)

UVLO (Y/N)

Rds(on) Typ (mΩ)

Max Current (A)

Output Discharge (Y/N)

IMON Output (Y/N)

Adjustable Slew Rate (Y/N)

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Vin Max (V)

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eFuse / Hot Plug (Y/N)

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FPF1320UCX

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Active

CAD Model

Pb

A

H

P

WLCSP-6

567RM

1

260

REEL

3000

N

N

-

N

Y

N

N

N

50

1.5

N

N

N

1.5

5.5

12

N

2:1

IntelliMAX

$0.3274

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Reliability Data

Die Related Summary Data

Device: FPF1320UCX

Equivalent to wafer fab process: 32

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

32

1

1989480587

511471810

1.96

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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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