Power Management Switch IC Series for PCs and Digital Consumer Product
2ch Small Current Output
USB High Side Switch ICs
BD2046AFJ, BD2056AFJ
No.09029JAT05
Description
High side switch for USB is a high side switch having over current protection used in power supply line of universal serial bus
(USB). Its switch unit has two channels of N-channel power MOSFET. And, over current detection circuit, thermal shutdown
circuit, under voltage lockout and soft start circuit are built in.
Features
1) Dual N-MOS high side switch
2) Continuous current load 0.25A
3) Control input logic
Active-Low : BD2046AFJ
Active-High : BD2056AFJ
4) Soft start circuit
5) Over current detection
6) Thermal shutdown
7) Under voltage lockout
8) Open drain error flag output
9) Reverse-current protection when switch off
10) Flag output delay filter built in
Applications
USB hub in consumer appliances, Car accessory, PC, PC peripheral equipment, and so forth
Lineup
Parameter
BD2046AFJ
0.25
BD2056AFJ
0.25
Continuous current load (A)
Over current detection (A)
Control input logic
0.5
0.5
Low
High
Absolute Maximum Ratings
Parameter
Symbol
VIN
Limits
-0.3 to 6.0
-0.3 to 6.0
-0.3 to 6.0
10
Unit
V
Supply voltage
Enable voltage
/OC voltage
VEN, V/EN
V/OC
V
V
/OC current
IS/OC
VOUT
TSTG
mA
V
OUT voltage
-0.3 to 6.0
-55 to 150
560*1
Storage temperature
Power dissipation
°C
mW
Pd
*1
*
In the case of exceeding Ta = 25°C, 4.48mW should be reduced per 1°C.
This chip is not designed to protect itself against radioactive rays.
Operating conditions
Parameter
Symbol
VIN
Limits
Unit
V
Operating voltage
2.7 to 5.5
-40 to 85
Operating temperature
Continuous output current
TOPR
ILO
°C
0
to 250
mA
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2009.05 - Rev.A
1/13
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