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Battery Line Switch

R5542 Typical Application

R5542 Typical ApplicationThe R5542 detects a voltage drop of battery and cuts the switch off.

Battery line switch IC can suppress inrush current at start-up by its soft-start circuit. Due to the reverse current protection function during off state or for always, unlike a simple MOSFET, space saving is possible to realize intensive functions.

They are used as load switches. To use the R5527 as a load switch, discharge function can be selected as an option. Further, the R5542 has another voltage detector inside.

Lineup

Product
Name
ON
Resistance
[V]
Supply Current
Typ. [µA]
Operating Voltage
Range [V]
Output
Current
[A]
Internal
FET
ON/CE Other Features Package Datasheet
R5527 45 40 1.8 to 5.5 3 Nch H/L Reverse : ON/OFF
Soft-Start
Discharge
DFN(PLP)1612-4D Consumer
NEW
R5542
9 Switch: 10
VD: 1
Switch: 2.3 to 5.5
VD: 1.2 to 5.5
6 Nch H Reverse : OFF
Soft-StartUVLO
Built-in VD (CMOS Output)
VDET : 2.0V to 5.0V
WLCSP-12-P3 Consumer

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