ROHM Power Management Switch ICS for PCs and Digital Consumer Products BD2225G User Guide
Summary
This precision MOSFET high-side power switch is designed for reliable power management in digital consumer products and USB devices. Featuring low on-resistance, the unit integrates advanced safety features including Over-Current Detection, Thermal Shutdown, Under-Voltage Lockout, and Soft-Start functionality. The accompanying manual provides comprehensive details on electrical specifications, operating curves, and application guidelines, making it ideal for engineers designing high-performance electronic equipment such as audio-visual gear, communication devices, or embedded systems requiring stable power control.
Page 1 Text Content
Power Management Switch ICs for PCs and Digital Consumer Products
1ch Small Package High Side Switch ICs for USB Devices and Memory Cards
BD2224G,BD2225G No.11029EBT17
●Description BD2224G and BD2225G are low on-resistance N-channel MOSFET high-side power switches, optimized for Universal Serial Bus (USB) applications. BD2224G and BD2225G are equipped with the function of over-current detection, thermal shutdown, under-voltage lockout and soft-start.
●Features 1) Low On-Resistance (Typ. 150mΩ) N-channel MOSFET Built-in 2) Over-Current Detection 3) Thermal Shutdown 4) Open-Drain Fault Flag Output 5) Under-Voltage Lockout 6) Soft-Start Circuit 7) Input Voltage Range: 2.7V ~ 5.5V 8) Control Input Logic Active-High (BD2224G), Active-Low (BD2225G) 9) SSOP5 Package
●Absolute Maximum Ratings (Ta=25℃)
Parameter Symbol Ratings Unit
VIN Supply voltage VIN -0.3 ~ 6.0 V
EN(/EN) input voltage VEN(/EN) -0.3 ~ 6.0 V
/OC Voltage V/OC -0.3 ~ 6.0 V
/OC Sink current I/OC 5 m A
VOUT Voltage VOUT -0.3 ~ VIN + 0.3 V
Storage temperature TSTG -55 ~ 150 ℃
Power dissipation Pd 675 *1 m W
*1 Mounted on 70mm x 70mm x 1.6mm glass epoxy board. Reduce 5.4m W per 1℃ above 25℃. * This IC is not designed to be radiation-proof.
●Operating Conditions
Ratings
Parameter Symbol Unit
Min. Typ. Max.
VIN operating voltage VIN 2.7 5.0 5.5 V
Operating temperature TOPR -40 - 85 ℃
www.rohm.com 2011.05 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
Page Summary Contents For ROHM Power Management Switch ICS for PCs and Digital Consumer Products BD2225G User Guide
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 13 |
| File Size | 351.11 KB |
| Published | June 15, 2026 |
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Frequently Asked Questions
What is the primary application of BD2224G and BD2225G?
They are low on-resistance N-channel MOSFET high-side power switches optimized for Universal Serial Bus (USB) applications.
What protective features do these ICs include?
Features include over-current detection, thermal shutdown, under-voltage lockout, and a soft-start circuit.
What is the required voltage range for operation?
The operating voltage range (VIN) is 2.7V to 5.5V.
Are these switches designed for reliable life support systems?
No, this IC is not designed for equipment requiring an extremely high level of reliability or use in life-support critical devices.