BD9S201NUX-C
2.7V to 5.5V Input, 2A Single Synchronous Buck DC/DC Converter for Automotive
BD9S201NUX-C
2.7V to 5.5V Input, 2A Single Synchronous Buck DC/DC Converter for Automotive
BD9S201NUX-C is a synchronous buck DC/DC Converter with built-in low On Resistance power MOSFETs. It is capable of providing current up to 2A. Small inductor is applicable due to high switching frequency of 2.2MHz. It is a current mode control DC/DC Converter and features high-speed transient response. It has a built-in phase compensation circuit. Applications can be created with a few external components.
8-channel power tree Reference Design
For automotive ADAS and Info-Display
Product Detail
Functional Safety:

Specifications:
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
2.7
Vin1(Max.)[V]
5.5
Vout1(Min.)[V]
0.8
Vout1(Max.)[V]
5.5
Iout1(Max.)[A]
2
SW frequency(Max.)[MHz]
2.2
Light Load mode
No
EN
Yes
PGOOD
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
125
Package Size [mm]
2x2 (t=0.6)
Common Standard
AEC-Q100 (Automotive Grade)
Features:
- AEC-Q100 Qualified (Grade 1)
- Single Synchronous Buck DC/DC Converter
- Adjustable Soft Start Function
- Output Discharge Function
- Power Good Output
- Input Under Voltage Lockout Protection (UVLO)
- Short Circuit Protection (SCP)
- Output Over Voltage Protection (OVP)
- Over Current Protection (OCP)
- Thermal Shutdown Protection (TSD)
Evaluation
Board
-
- Reference Design
- REFRPT001-EVK-001
The REFRPT001-EVK-001 is a board included in power tree solution reference design named as REFRPT001 developed for infotainment devices such as vehicle clusters and center information displays, as well as for ADAS ECUs. The power system that can support functional safety is integrated on a single board, realizing an optimal configuration as a power tree.
-
- Evaluation Board
- BD9S201NUX-TSB-001
This is an evaluation board for BD9S201NUX-C. BD9S201NUXC is a synchronous buck DC/DC converter with built-in low On Resistance power MOSFETs. The BD9S201NUX-C accepts a power supply input range of 2.7V to 5.5V and generates a maximum output current of 2A. BD9S201NUX-C generates an output voltage range of 0.8V to VIN using external resistors. BD9S201NUX-C is a current mode control DC/DC Converter and features high-speed transient response.