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reference designNCP81231MNTXG | Demoboard ONSEC-17-038

Onsemi NCP81231MNTXG | Demoboard ONSEC-17-038

Buck Controller, USB Power Delivery and Type-C Applications

Overview

TopologyBuck Converter
IC revision2

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 Product seriesL
(mm)		ToTiλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		IV typ.
(mcd)		VF typ.
(V)		Chip Technology2θ50% typ.
(°)		L
(µH)		IRP,40K
(A)		ISAT,30%
(A)		RDC typ.
(mΩ)		fres
(MHz)		V
(V)		MountISAT,10%
(A)		RDC
(mΩ)		MaterialSW
(mm)		ApplicationInterface TypePCB Thickness
(mm)		Working Voltage
(V (AC))		H
(mm)		Operation Force (Value)
(g)		Electrical Life
(Cycles)		Actuator ColorVaporphase processZ @ 100 MHz
(Ω)		Zmax
(Ω)		Test Condition ZmaxIR 2
(mA)		RDC max.
(mΩ)		TypeIR
(mA)		Z @ 1 GHz
(Ω)		PinsRowsG
(mm)		GenderPackaging Samples
150060RS75000SPEC
25 files

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WL-SMCW SMT Mono-color Chip LED Waterclear 1.6 – – 625 Red 630 250 2 AlInGaP 140 – – – – – – SMT – – – – – – – – 0.7 – – – – – – – – – – – – – – – – Tape and Reel
150060YS75000SPEC
25 files

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WL-SMCW SMT Mono-color Chip LED Waterclear 1.6 – – 590 Yellow 595 120 2 AlInGaP 140 – – – – – – SMT – – – – – – – – 0.7 – – – – – – – – – – – – – – – – Tape and Reel
150060GS75000SPEC
25 files

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WL-SMCW SMT Mono-color Chip LED Waterclear 1.6 – – 525 Green 515 430 3.2 InGaN 140 – – – – – – SMT – – – – – – – – 0.7 – – – – – – – – – – – – – – – – Tape and Reel
150060BS75000SPEC
25 files

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WL-SMCW SMT Mono-color Chip LED Waterclear 1.6 – – 470 Blue 465 145 3.2 InGaN 140 – – – – – – SMT – – – – – – – – 0.7 – – – – – – – – – – – – – – – – Tape and Reel
74279220321SPEC
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WE-MPSB EMI Multilayer Power Suppression Bead 2 – – – – – – – – – – – – – – – SMT – – – – – – – – 0.9 – – – – 320 347 170 MHz 2500 50 High Current 2500 108 – – – – –
155124YS73200SPEC
6 files

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WL-SMSW SMT Mono-color Side View Waterclear 3.2 – – 589 Yellow 592 130 2 AlInGaP 120 – – – – – – SMT – – – – – – – – 1 – – – – – – – – – – – – – – – – Tape and Reel
155124GS73200SPEC
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WL-SMSW SMT Mono-color Side View Waterclear 3.2 – – 525 Green 520 600 3.3 InGaN 120 – – – – – – SMT – – – – – – – – 1 – – – – – – – – – – – – – – – – Tape and Reel
155124BS73200SPEC
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WL-SMSW SMT Mono-color Side View Waterclear 3.2 – – 470 Blue 468 150 3.4 InGaN 120 – – – – – – SMT – – – – – – – – 1 – – – – – – – – – – – – – – – – Tape and Reel
742792117SPEC
9 files

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WE-CBF SMT EMI Suppression Ferrite Bead 3.2 – – – – – – – – – – – – – – – – – – – – – – – – 1.1 – – – – 48 90 600 MHz 6000 5 High Current 4000 – – – – – –
74438357047SPEC
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WE-MAPI SMT Power Inductor 4 – – – – – – – – – 4.7 5.1 8.2 39.9 24 80 SMT 4.15 – – – – – – – 3 – – – – – – – – 44 – 3900 – 2 – – – –
61300211121SPEC
–6 files

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WR-PHD 2.54 mm THT Pin Header 5.08 – – – – – – – – – – – – – – – THT – – – – – – – 250 – – – – – – – – – – Straight 3000 – 2 Single – Pin Header Bag
971100365SPEC
–3 files

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WA-SPAIE Plastic Spacer Stud, metric, internal/ external 10 M3 M3 – – – – – – – – – – – – – – – – Polyamide 6 – – – – – – – – – – – – – – – – – – – – – Bag
744325330SPEC
8 files

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WE-HCI SMT Flat Wire High Current Inductor 10.5 – – – – – – – – – 3.3 16.6 15 – 54 – SMT 5 5.9 Superflux – – – – – 4.7 – – – – – – – – 6.49 – – – 2 – – – –
61301621021SPEC
–6 files

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WR-PHD 2.54 mm THT Angled Dual Pin Header 20.32 – – – – – – – – – – – – – – – THT – – – – – – – 250 – – – – – – – – – – Angled 3000 – 16 Dual – Pin Header Bag
613020243121SPEC
–6 files

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WR-PHD 2.54 mm Angled Dual Socket Header 25.9 – – – – – – – – – – – – – – – THT – – – – – – – 250 – – – – – – – – – – Angled 3000 – 20 Dual – Socket Header Tray
434153017835SPEC
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WS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm – – – – – – – – – – – – – – – – – – – – – – – – – 1.7 350 200000 Blue not specified – – – – – – 50 – – – – – Tape and Reel
632723300011SPEC
–6 files

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WR-COM USB 3.1 Type C Receptacle Horizontal THR / SMT – – – – – – – – – – – – – – – – THR – – – – USB 3.1 Type C 1.6 20 – – – – – – – – – – Horizontal 5000 – 24 – 1.9 Receptacle Tape and Reel
65100516121SPEC
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WR-COM Mini USB 2.0 Type B SMT Horizontal 5 Contacts – – – – – – – – – – – – – – – – SMT – – – – Mini USB Type B – 30 – – – – – – – – – – Horizontal 1000 – 5 – – Receptacle Tape and Reel & Mylar
709940300SPEC
–3 files

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WA-SNTE Snap-In Stop Spacer for Printed Circuit Boards – – M3 – – – – – – – – – – – – – – – – Nylon 66 5.5 – – – – 2.4 – – – – – – – – – – – – – – – – Bag
Order Code Data­sheet Simu­lation
150060RS75000SPEC
150060YS75000SPEC
150060GS75000SPEC
150060BS75000SPEC
74279220321SPEC
155124YS73200SPEC
155124GS73200SPEC
155124BS73200SPEC
742792117SPEC
74438357047SPEC
61300211121SPEC
–
971100365SPEC
–
744325330SPEC
61301621021SPEC
–
613020243121SPEC
–
434153017835SPEC
–
632723300011SPEC
–
65100516121SPEC
–
709940300SPEC
–
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(mm)		ToTiλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		IV typ.
(mcd)		VF typ.
(V)		Chip Technology2θ50% typ.
(°)		L
(µH)		IRP,40K
(A)		ISAT,30%
(A)		RDC typ.
(mΩ)		fres
(MHz)		V
(V)		MountISAT,10%
(A)		RDC
(mΩ)		MaterialSW
(mm)		ApplicationInterface TypePCB Thickness
(mm)		Working Voltage
(V (AC))		H
(mm)		Operation Force (Value)
(g)		Electrical Life
(Cycles)		Actuator ColorVaporphase processZ @ 100 MHz
(Ω)		Zmax
(Ω)		Test Condition ZmaxIR 2
(mA)		RDC max.
(mΩ)		TypeIR
(mA)		Z @ 1 GHz
(Ω)		PinsRowsG
(mm)		GenderPackaging Samples