ROHM BD2066FJ Data Manual
Summary
Advanced dual N-MOS high-side power switches designed for reliable power management in sensitive digital circuits. These ICs include crucial built-in protections such as over-current detection, thermal shutdown, and under-voltage lockout. Ideal for engineers developing PC peripherals, USB hubs, consumer appliances, and car accessories that require robust and controlled power switching capability. The associated manual provides detailed electrical characteristics, operating conditions, and technical guidelines necessary for optimal product integration into complex electronic systems.
Page 1 Text Content
Power Management Switch ICs for PCs and Digital Consumer Products
2ch High Side Switch ICs for USB Devices and Memory Cards
BD2062FJ,BD2066FJ No.11029EBT15
●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) Current Limit Threshold 2.4A 3) Control Input Logic Active-Low : BD2062FJ Active-High : BD2066FJ 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 11) Power Supply Voltage Range 2.7V~5.5V 12) TTL Enable Input 13) 0.8ms Typical Rise Time 14) 1μA Max Standby Current
●Applications PC, PC peripheral USB hub in consumer appliances, Car accessory, and so forth
●Line Up Matrix
Parameter BD2062FJ BD2066FJ
Current limit threshold (A) 2.4 2.4 Control input logic Low High Number of channels 2ch 2ch Package SOP-J8 SOP-J8
www.rohm.com 2011.05 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
Page Summary Contents For ROHM BD2066FJ Data Manual
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 17 |
| File Size | 322.30 KB |
| Published | June 20, 2026 |
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Frequently Asked Questions
What types of protection features are built into this high side switch?
It includes over-current detection, thermal shutdown circuit, under-voltage lockout, reverse current protection when switched off, and a soft-start circuit.
What is the required power supply voltage range (VIN) for operation?
The operating voltage must be between 2.7V minimum and 5.5V maximum.
In what applications can this device be used?
It is suitable for PCs, PC peripheral USB hubs in consumer appliances, car accessories, and similar electronic equipment.
Are there any situations where this product should not be used?
This product is not designed or rated for use in systems requiring extremely high reliability, such as medical instruments or aerospace machinery.