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Rohm Semiconductor Electronic Components Datasheet

BD2220G Datasheet

0.75A Current Limit Latch Off High Side Switch ICs

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Datasheet
1ch Small Package High Side Switch ICs
0.75A Current Limit Latch Off
High Side Switch ICs
BD2220G BD2221G
General Description
BD2220G and BD2221G are low ON-Resistance
N-Channel MOSFET high-side power switches,
optimized for Universal Serial Bus (USB) applications.
BD2220G and BD2221G are equipped with the function
of over-current detection, thermal shutdown,
under-voltage lockout and soft-start.
Features
Low ON-Resistance (Typ 160mΩ) N-Channel
MOSFET Built-in
Over-Current Detection
(Output OFF-Latch Operation)
Thermal Shutdown
Open-Drain Fault Flag Output
Flag Output Delay
Under-Voltage Lockout
Soft-Start Circuit
Control Input Logic
Active-High : BD2220G
Active-Low : BD2221G
Reverse Current Protection when
Power Switch Off
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:
160mΩ(Typ)
Over-Current Threshold: 0.5A (Min), 1.0A (Max)
Standby Current:
0.01μA (Typ)
Operating Temperature Range: -40°C to +85°C
Package
W(Typ) D (Typ) H (Max)
SSOP5
2.90mm x 2.80mm x 1.25mm
Typical Application Circuit
3.3V
10kΩ10tkoΩ~
100k1Ω00kΩ
5V5V(T(Tyypp.))
CIN VININ VOOUUTT
GND
EN
+
CL
-
/OC
Lineup
Over-Current Threshold
Min Typ Max
0.5A - 1.0A
0.5A - 1.0A
Control Input
Logic
High
Low
Package
Orderable Part Number
SSOP5
SSOP5
Reel of 3000 BD2220G-TR
Reel of 3000 BD2221G-TR
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
TSZ02201-0E3E0H300190-1-2
21.Aug.2014 Rev.003


Rohm Semiconductor Electronic Components Datasheet

BD2220G Datasheet

0.75A Current Limit Latch Off High Side Switch ICs

No Preview Available !

BD2220G BD2221G
Block Diagram
Over-Current
Detection
Under-Voltage
Lockout
EN(/EN)
IN
Delay
Counter
Charge
Pump
SQ
R
Thermal
Shutdown
Datasheet
/OC
GND
OUT
Pin Configurations
BD2220G
TOP VIEW
1 IN
2 GND
3 EN
OUT 5
/OC 4
BD2221G
TOP VIEW
1 IN
2 GND
3 /EN
OUT 5
/OC 4
Pin Description
Pin No.
Symbol
1 IN
2 GND
3 EN, /EN
4 /OC
5 OUT
I/O Function
- Switch input and the supply voltage for the IC.
- Ground
Enable input.
I EN: High level input turns on the switch. (BD2220G)
/EN: Low level input turns on the switch. (BD2221G)
Over-current notification terminal.
O Low level output during over-current or over-temperature condition.
Open-drain fault flag output.
O Switch output
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/22
TSZ02201-0E3E0H300190-1-2
21.Aug.2014 Rev.003


Part Number BD2220G
Description 0.75A Current Limit Latch Off High Side Switch ICs
Maker Rohm
Total Page 26 Pages
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