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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 Status Product seriesL
(mm)		TiλDom 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)		VOP
(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)		Pins (Value)
(pcs)		RowsG
(mm)		GenderPackaging Samples
150060RS75000SPEC
25 files

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 Active i| Production is active. Expected lifetime: >10 years.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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 Active i| Production is active. Expected lifetime: >10 years.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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 Active i| Production is active. Expected lifetime: >10 years.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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 Active i| Production is active. Expected lifetime: >10 years.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
9 files

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 Active i| Production is active. Expected lifetime: >10 years.WE-MPSB EMI Multilayer Power Suppression Bead 2 – – – – – – – – – – – 30.5 – – SMT – – – – – – – – 0.9 – – – – 320 347 170 MHz 2500 50 High Current 2500 108 – – – – –
155124YS73200SPEC
6 files

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 Active i| Production is active. Expected lifetime: >10 years.WL-SMSW SMT Mono-color Side View Waterclear 3.2 – 589 Yellow 592 130 2 AlInGaP 120 – – – – – – SMT – – – – – – – – 1 – – – – – – – – – – – – – – – – Tape and Reel
155124GS73200SPEC
6 files

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 Active i| Production is active. Expected lifetime: >10 years.WL-SMSW SMT Mono-color Side View Waterclear 3.2 – 525 Green 520 600 3.3 InGaN 120 – – – – – – SMT – – – – – – – – 1 – – – – – – – – – – – – – – – – Tape and Reel
155124BS73200SPEC
6 files

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 Active i| Production is active. Expected lifetime: >10 years.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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 Active i| Production is active. Expected lifetime: >10 years.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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 Active i| Production is active. Expected lifetime: >10 years.WE-MAPI SMT Power Inductor 4.3 – – – – – – – – 4.7 5.1 8.2 39.9 24 80 SMT 4.15 – – – – – – – 3.1 – – – – – – – – 44 – 3900 – 2 – – – –
61300211121SPEC
–6 files

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 Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm THT Pin Header 5.08 – – – – – – – – – – – – – – THT – – – – – – – 250 – – – – – – – – – – Straight 3000 – 2 Single – Pin Header Bag
744325330SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

8 files

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 Active i| Production is active. Expected lifetime: >10 years.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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 Active i| Production is active. Expected lifetime: >10 years.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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 Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm Angled Dual Socket Header 25.9 – – – – – – – – – – – – – – THT – – – – – – – 250 – – – – – – – – – – Angled 3000 – 20 Dual – Socket Header Tray
971100365SPEC
–3 files

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 Active i| Production is active. Expected lifetime: >10 years.WA-SPAIE Plastic Spacer Stud, metric, internal/ external – – – – – – – – – – – – – – – – – Polyamide – – – – – – – – – – – – – – – – – – – – – – Bag
434153017835SPEC
–5 files

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 Active i| Production is active. Expected lifetime: >10 years.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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 Active i| Production is active. Expected lifetime: >10 years.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
–6 files

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 Active i| Production is active. Expected lifetime: >10 years.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

CAD files
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Download all 3 files as zip archive
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 Active i| Production is active. Expected lifetime: >10 years.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
–
744325330SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

61301621021SPEC
–
613020243121SPEC
–
971100365SPEC
–
434153017835SPEC
–
632723300011SPEC
–
65100516121SPEC
–
709940300SPEC
–
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(mm)		TiλDom 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)		VOP
(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)		Pins (Value)
(pcs)		RowsG
(mm)		GenderPackaging Samples