BD9S100NUX-CE2 Power Management ICs - PMIC by Rohm

2.7V to 5.5V Input, 1A Single Synchronous Buck DC/DC Converter for Automotive

Status: Recommended
Series: -
RoHS: Compliant
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BD9S100NUX-C is a synchronous buck DC/DC Converter with built-in low On Resistance power MOSFETs. It is capable of providing current up to 1A. 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.

Prices starting from US$0.52


Distributor Starting From Stock
Logo for Avnet Asia Avnet Asia US$1.01
20,000
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Logo for CoreStaff CoreStaff US$0.66
3,870
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Logo for Chip One Stop Chip One Stop US$0.54
80
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Logo for Rutronik Rutronik US$0.52
-
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Logo for Newark Electronics Newark Electronics US$0.98
-
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Logo for Avnet America Avnet America US$0.93
-
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Logo for element14 element14 US$0.89
-
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Features

AEC-Q100 Qualified (Grade 1)
Single Synchronous Buck DC/DC Converter
Adjustable Soft Start Function
Output Discharge Function
100% ON Duty Cycle
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)

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] 1
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)
Spice Model /en/products/library/spice/ic/power/switching_regulator/BD9S100NUX-C_PSpice.zip

Resources




Schematic Design & Verification
Calculation of Power Dissipation in Switching Circuit
Considering Input Filter to Reduce Conducted Emissions by DCDC Converter
Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter
Method for Monitoring Switching Waveform
PCB Layout Techniques of Buck Converter
Phase Compensation Design for Current Mode Buck Converter
Bootstrap Circuit in the Buck Converter
Method for Determining Constants of Peripheral Parts of Buck DC/DC Converter
Power Supply Sequence Circuit with General Purpose Power Supply IC
Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
Usage of SPICE Macromodel for DC/DC
Snubber Circuit for Buck Converter IC
Efficiency of Buck Converter
Calculation of Power Loss (Synchronous)
Inductor Calculation for Buck converter IC
Considerations for Power Inductors Used for Buck Converters
Capacitor Calculation for Buck converter IC
The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit
Resistor Value Table to set Output Voltage of Buck Converter IC
Importance of Probe Calibration When Measuring Power: Deskew
Impedance Characteristics of Bypass Capacitor


Package Information
Package Information

Manufacturing Data
Factory Information

Alternative Descriptions

Conv DC to DC Single Step Down 2.7V to 5.5V 8-Pin VSON Emboss T/R | Avnet Asia
DC-DC 5.5V 1A D VSON008X2020 | Rutronik
Dc/Dc Conv, Aec-Q100, 2.2Mkhz, Vson-8 | Newark Electronics
DC/DC CONV, AEC-Q100, 2.2MKHZ, VSON-8 | element14


Frequently Asked Questions

Where can I find additional details, specifications and documents for a BD9S100NUX-CE2?

Additional datasheets, footprints and schematics for BD9S100NUX-CE2 are listed on our Part Details page. You can also find images and similar parts to BD9S100NUX-CE2 on this page.

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What category does BD9S100NUX-CE2 fall under?

The BD9S100NUX-CE2 is listed under Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators > DC / DC Adjustable Switching Regulators.

Can I view similar or alternative parts?

You can view similar parts to BD9S100NUX-CE2 when available in the DC / DC Adjustable Switching Regulators range under the specifications section at the bottom of the details page.

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Is the BD9S100NUX-CE2 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ROHM Semiconductor.

Which authorised distributors for BD9S100NUX-CE2 have stock available?

Authorised distributors including Avnet Asia, CoreStaff, Chip One Stop, Rutronik and Newark Electronics have stock available or on a lead time for BD9S100NUX-CE2.

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