BD9S201NUX-C

2.7V to 5.5V Input, 2A Single Synchronous Buck DC/DC Converter for Automotive
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BD9S201NUX-C

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

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Data Sheet Buy Sample

Product Detail

 
Part Number | BD9S201NUX-CE2
Status | Recommended
Package | VSON008X2020
Packing Type | Taping
Unit Quantity | 4000
Minimum Package Quantity | 4000
RoHS | Yes

Functional Safety:

Category : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.
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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)

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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)

Reference Design / Application Evaluation Kit

 
    • 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.

    • User's Guide
    • Reference Design - REFRPT001
    • CISPR25 Class5 compliant 8 rails power tree Reference Design for Automotive ADAS/Infotainment application

    • This reference design is a power tree solution board developed for infotainment devices such as automotive clusters and center information displays and for ECUs for ADAS application. The power system that can support functional safety is integrated on a single board to achieve the optimal configuration as a power tree. Excellent EMC performance that meets CISPR25 Class 5 even at all power supply rails are enabled, and reduces heat generation of each device by distributing high-efficiency DCDCs. In addition, two supervisor ICs with self-diagnosis functions can monitor the output of all power rails and contribute to a higher level of functional safety.

      • Automotive Infotainment/ADAS 8-channels power tree reference design
      • Verified to satisfy EMC CISPR 25 class 5 standard without common mode filter
      • In order to avoid the AM radio frequency bands All DC/DC converters operate at a switching frequency of 2.2 MHz or higher.
      • Thermal characteristics tested
      • voltage monitoring for 8-channel power tree to improve the functional safety ASIL level
      • Space saving by integrating multiple power trees

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