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Onsemi NCP81231MNTXG | Demoboard ONSEC-17-038
Buck Controller, USB Power Delivery and Type-C Applications
Overview
| Topology | Buck Converter |
| IC revision | 2 |
Description
The NCP81231 USB Power Delivery (PD) Controller is a synchronous step down controller optimized for USB-PD type C solutions. They are ideal for docking station, car chargers, desktop, and monitor applications. The NCP81231 utilizes an I2C interface that can interface to a uC to meet USB-PD timing, slew rate, and voltage requirements. The NCP81231 operates from 4.5V to 28V.
Features
- I2C configurability
- Synchronous step down controller with drivers
- Meets USB-PD specification
- Overvoltage and overcurrent protection
Typical applications
- Consumer
- Networking Accessories
- USB Type C
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(mm) | To | Ti | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | ISAT,10%(A) | RDC(mΩ) | Material | SW(mm) | Interface Type | Variant | Gender | Pins | PCB Thickness(mm) | Working Voltage(V (AC)) | Packaging | G(mm) | Operating Temperature | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Washable | Vaporphase process | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(mΩ) | Type | IR(mA) | Z @ 1 GHz(Ω) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]250 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | Operating Temperature -40 °C up to +85 °C | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]590 nm | Emitting ColorYellow | Peak Wavelength [typ.]595 nm | Luminous Intensity [typ.]120 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | Operating Temperature -40 °C up to +85 °C | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]525 nm | Emitting ColorGreen | Peak Wavelength [typ.]515 nm | Luminous Intensity [typ.]430 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | Operating Temperature -40 °C up to +85 °C | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads28 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]470 nm | Emitting ColorBlue | Peak Wavelength [typ.]465 nm | Luminous Intensity [typ.]145 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | Operating Temperature -40 °C up to +85 °C | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
 | WE-MPSB EMI Multilayer Power Suppression Bead, 2 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MPSB EMI Multilayer Power Suppression Bead | Length2 mm | – | – | – | – | – | – | – | – | – | – | – | – | DC Resistance30.5 mΩ | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -55 °C up to +125 °C | Height0.9 mm | – | – | – | – | – | Impedance @ 100 MHz320 Ω | Maximum Impedance347 Ω | Maximum Impedance170 MHz | Rated Current 22500 mA | DC Resistance50 mΩ | TypeHigh Current | Rated Current2500 mA | Impedance @ 1 GHz108 Ω | ||||
 | WL-SMSW SMT Mono-color Side View Waterclear, 3.2 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMSW SMT Mono-color Side View Waterclear | Length3.2 mm | – | – | Dominant Wavelength [typ.]589 nm | Emitting ColorYellow | Peak Wavelength [typ.]592 nm | Luminous Intensity [typ.]130 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]120 ° | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | Operating Temperature -40 °C up to +85 °C | Height1 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WL-SMSW SMT Mono-color Side View Waterclear, 3.2 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMSW SMT Mono-color Side View Waterclear | Length3.2 mm | – | – | Dominant Wavelength [typ.]525 nm | Emitting ColorGreen | Peak Wavelength [typ.]520 nm | Luminous Intensity [typ.]600 mcd | Forward Voltage [typ.]3.3 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]120 ° | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | Operating Temperature -40 °C up to +85 °C | Height1 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WL-SMSW SMT Mono-color Side View Waterclear, 3.2 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMSW SMT Mono-color Side View Waterclear | Length3.2 mm | – | – | Dominant Wavelength [typ.]470 nm | Emitting ColorBlue | Peak Wavelength [typ.]468 nm | Luminous Intensity [typ.]150 mcd | Forward Voltage [typ.]3.4 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]120 ° | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | Operating Temperature -40 °C up to +85 °C | Height1 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, 3.2 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | Length3.2 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -55 °C up to +125 °C | Height1.1 mm | – | – | – | – | – | Impedance @ 100 MHz48 Ω | Maximum Impedance90 Ω | Maximum Impedance600 MHz | Rated Current 26000 mA | DC Resistance5 mΩ | TypeHigh Current | Rated Current4000 mA | – | ||||
 | WE-MAPI SMT Power Inductor, 4.3 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Length4.3 mm | – | – | – | – | – | – | – | – | – | Inductance4.7 µH | Performance Rated Current5.1 A | Saturation Current @ 30%8.2 A | DC Resistance39.9 mΩ | Self Resonant Frequency24 MHz | Operating Voltage80 V | MountSMT | Saturation Current @ 10%4.15 A | – | – | – | – | – | – | Pins2 | – | – | – | – | Operating Temperature -40 °C up to +125 °C | Height3.1 mm | – | – | – | – | – | – | – | – | – | DC Resistance44 mΩ | – | Rated Current3900 mA | – | ||||
 | WR-PHD Pin Header - Single, 5.08 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Length5.08 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | – | – | – | – | – | – | GenderPin Header | Pins2 | – | Working Voltage250 V (AC) | PackagingBag | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | TypeStraight | Rated Current3000 mA | – | |||
 | WA-SPAIE Plastic Spacer Stud, metric, internal/ external, 10 mm, M3 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SPAIE Plastic Spacer Stud, metric, internal/ external | Length10 mm | Outer ThreadM3 | Inner ThreadM3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MaterialPolyamide | SW6 mm | – | – | – | – | – | – | PackagingBag | – | Operating Temperature -30 °C up to +110 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
 | WE-HCI SMT Flat Wire High Current Inductor, 10.5 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Length10.5 mm | – | – | – | – | – | – | – | – | – | Inductance3.3 µH | Performance Rated Current16.6 A | Saturation Current @ 30%15 A | – | Self Resonant Frequency54 MHz | – | MountSMT | Saturation Current @ 10%5 A | DC Resistance5.9 mΩ | MaterialSuperflux | – | – | – | – | Pins2 | – | – | – | – | Operating Temperature -40 °C up to +150 °C | Height4.7 mm | – | – | – | – | – | – | – | – | – | DC Resistance6.49 mΩ | – | – | – | ||||
 | WR-PHD Pin Header - Dual, 20.32 mm, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | Length20.32 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | – | – | – | – | – | – | GenderPin Header | Pins16 | – | Working Voltage250 V (AC) | PackagingBag | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | TypeAngled | Rated Current3000 mA | – | ||
 | WR-PHD Socket Header - Dual, 25.9 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Socket Header - Dual | Length25.9 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | – | – | – | – | – | – | GenderSocket Header | Pins20 | – | Working Voltage250 V (AC) | PackagingTray | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | TypeAngled | Rated Current3000 mA | – | |||
 | WS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | Operating Temperature -40 °C up to +85 °C | Height1.7 mm | Operation Force350 g | Electrical Life200000 Cycles | Actuator ColorBlue | WashableNo | Vaporphase processnot specified | – | – | – | – | – | – | Rated Current50 mA | – | |||
 | WR-USB Type C Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Type C Connectors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHR | – | – | – | – | Interface TypeType C | – | GenderReceptacle | Pins24 | PCB Thickness1.6 mm | Working Voltage48 V (AC) | PackagingTape and Reel | Pin length1.9 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | TypeHorizontal | Rated Current5000 mA | – | |||
 | WR-USB Mini/Micro Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | – | – | Interface TypeType B | Variantwith Pads & Pegs | GenderReceptacle | Pins5 | – | Working Voltage30 V (AC) | PackagingTape and Reel & Mylar | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | TypeHorizontal | Rated Current1000 mA | – | |||
 | WA-SNTE Snap-In Stop Spacer for Printed Circuit Boards, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SNTE Snap-In Stop Spacer for Printed Circuit Boards | – | – | Inner ThreadM3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MaterialNylon 66 | SW5.5 mm | – | – | – | – | – | – | PackagingBag | – | Operating Temperature -30 °C up to +85 °C | Height2.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – |