○Product structure：Silicon monolithic integrated circuit ○This product has not designed protection against radioactive rays

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TSZ02201-0E3E0H300310-1-2

© 2013 ROHM Co., Ltd. All rights reserved.

21.Aug.2014 Rev.002

TSZ22111・14・001

www.rohm.com

1 Channel Compact High Side Switch ICs

0.75A Current Limit High Side Switch ICs

BD2246G BD2247G

General Description

BD2246G and BD2247G are low ON-Resistance

high-side power switches N-Channel MOSFETs for

Universal Serial Bus (USB) applications. These ICs

have built-in over-current protection, thermal shutdown,

under-voltage lockout and soft-start.

Features



Built-in Low ON-Resistance (Typ

110mΩ)

N-Channel MOSFET



Over-Current Detection



Thermal Shutdown



Open-Drain Fault Flag Output



Flag Output Delay



Under-Voltage Lockout



Soft-Start Circuit



Output Discharge Function



Reverse Current Protection when

Power Switch Off



Control Input Logic



Active-High:

BD2246G



Active-Low:

BD2247G

Applications

USB Hub in Consumer Appliances, PC, PC Peripheral

Equipment, and so forth

Key Specifications

 Input Voltage Range:

2.7V to 5.5V

 ON-Resistance:

110m

Ω(Typ)

 Over-Current Threshold:

0.63A (Min), 0.9A (Max)

 Standby Current:

0.01

μA (Typ)

 Operating Temperature Range:

-40°C to +85°C

Typical Application Circuit

Lineup

Over-Current Threshold

Control Input

Logic

Package

Orderable Part Number

Min

Typ

Max

0.63A

0.765A

0.9A

High

SSOP5

Reel of 3000

BD2246G-GTR

0.63A

0.765A

0.92A

Low

SSOP5

Reel of 3000

BD2247G-GTR

SSOP5

2.90mm x 2.80mm x 1.25mm

10k

Ω to

100kΩ

IN

GND

EN

OUT

/OC

5V (Typ)

+

-

3.3V

Datasheet