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Rohm Semiconductor Electronic Components Datasheet

BD2045AFJ Datasheet

0.5A Current Limit High Side Switch ICs

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Datasheet
1ch High Side Switch ICs
0.5A Current Limit High Side Switch ICs
BD2045AFJ BD2055AFJ
General Description
BD2045AFJ and BD2055AFJ are single channel high
side switch ICs with over-current protection for
Universal Serial Bus (USB) power supply line. These
ICs have low ON-Resistance N-Channel power
MOSFETs with low supply current, built-in over-current
protection circuit, thermal shutdown circuit, under
voltage lockout and soft-start circuit.
Key Specifications
Input Voltage Range:
2.7V to 5.5V
ON-Resistance:
80mΩ(Typ)
Continuous Current Load:
0.25A
Over-Current Threshold: 0.3A (Min), 0.8A (Max)
Standby Current:
0.01μA (Typ)
Output Rise Time:
1.2ms(Typ)
Operating Temperature Range: -40°C to +85°C
Features
Built-In Low ON-Resistance Nch MOSFET
( Typ=80mΩ )
Control Input Logic
Active-Low:
BD2045AFJ
Active-High:
BD2055AFJ
Soft-Start Circuit
Over-Current Protection
Thermal Shutdown
Under Voltage Lockout Function
Open Drain Error Flag Output
Reverse-Current Protection when Switch Off
Flag Output Delay
Applications
USB Hub in Consumer Appliances, PC, PC Peripheral
Equipment, and so forth
Package
W(Typ) D(Typ) H (Max)
SOP-J8
4.90mm x 6.00mm x 1.65mm
Typical Application Circuit
5V(Typ)
GND
OUT
IN OUT
C IN
IN OUT
EN( /EN ) /OC
+
CL -
VBUS
D+
D-
GND
Lineup
Over-Current Threshold
Min Typ Max
0.3A
0.5A
0.8A
0.3A
0.5A
0.8A
Control Input
Logic
Low
High
Package
Orderable Part Number
SOP-J8
SOP-J8
Reel of 2500 BD2045AFJ-E2
Reel of 2500 BD2055AFJ-E2
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has not designed protection against radioactive rays
1/22
TSZ02201-0E3E0H300130-1-2
21.Aug.2014 Rev.002


Rohm Semiconductor Electronic Components Datasheet

BD2045AFJ Datasheet

0.5A Current Limit High Side Switch ICs

No Preview Available !

Datasheet
General Precaution
1. Before you use our Pro ducts, you are requested to care fully read this document and fully understand its contents.
ROHM shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny
ROHM’s Products against warning, caution or note contained in this document.
2. All information contained in this docume nt is current as of the issuing date and subj ect to change without any prior
notice. Before purchasing or using ROHM’s Products, please confirm the la test information with a ROHM sale s
representative.
3. The information contained in this doc ument is provi ded on an “as is” basis and ROHM does not warrant that all
information contained in this document is accurate an d/or error-free. ROHM shall not be in an y way responsible or
liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or
concerning such information.
Notice – WE
© 2014 ROHM Co., Ltd. All rights reserved.
Rev.001


Part Number BD2045AFJ
Description 0.5A Current Limit High Side Switch ICs
Maker Rohm
Total Page 26 Pages
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