NCV8877: Automotive Grade Start-Stop Non-Synchronous Boost Controller

The NCV8877 is a Non-Synchronous Boost controller designed to supply a minimum output voltage during Start-Stop vehicle operation battery voltage sags. The controller drives an external N-channel MOSFET. The device uses peak current mode control with internal slope compensation. The IC incorporates an internal regulator that supplies charge to the gate driver. Protection features include, cycle-by-cycle current limiting, protection and thermal shutdown. Additional features include low quiescent current sleep mode operation. The NCV8877 is enabled when the supply voltage drops below the wake up threshold. Boost Operation is initiated when the supply voltage drops below the regulation set point.

Features

Factory programmable output voltage
2 V to 45 V operation
-40°C to 150°C operation
Automatic enable
Disable function

Benefits

Flexibility
Operates through cranking and load dump
Automotive grade
Extra functionaligy in compact SOIC-8 package
Permits disabling by a microcontroller

Applications

Start-stop Applications

End Products

Automotive

Design & Development Tools (1)

Document Title	Document ID/Size	Revision	Revision Date
NCV8877 Design Worksheet	NCV8877_DWS.XLS (411kB)	3	Nov, 2016

Package Drawings (1)

Document Title	Document ID/Size	Revision
SOIC-8 Narrow Body	751-07 (62.6kB)	AK

Simulation Models (1)

Document Title	Document ID/Size	Revision	Revision Date
NCV8877 PSPICE Small-Signal Model (includes modeling example)	NCV8877 PSPICE Model Small-Signal (532kB)	0	Jan, 2014

Data Sheets (1)

Document Title	Document ID/Size	Revision	Revision Date
Automotive Grade Start-Stop Non-Synchronous Boost Controller	NCV8877/D (124kB)	8	Nov, 2016

Evaluation Board Documents (10)

Document Title	Document ID/Size	Revision	Revision Date
NCV887701BSTGEVB Bill of Materials ROHS Compliant	NCV887701BSTGEVB_BOM_ROHS (91kB)	1
NCV887701BSTGEVB Evaluation Board User's Manual	EVBUM2224/D (555kB)	0	Feb, 2014
NCV887701BSTGEVB Gerber Layout Files (Zip Format)	NCV887701BSTGEVB_GERBER (92kB)	0
NCV887701BSTGEVB Schematic	NCV887701BSTGEVB_SCHEMATIC (157kB)	0
NCV887701BSTGEVB Test Procedure	NCV887701BSTGEVB_TEST_PROCEDURE (66kB)	0
NCV887720BSTGEVB Bill of Materials ROHS Compliant	NCV887720BSTGEVB_BOM_ROHS (93kB)	1
NCV887720BSTGEVB Evaluation Board User's Manual	EVBUM2225/D (373kB)	1	Feb, 2014
NCV887720BSTGEVB Gerber Layout Files (Zip Format)	NCV887720BSTGEVB_GERBER (93kB)	0
NCV887720BSTGEVB Schematic	NCV887720BSTGEVB_SCHEMATIC (227kB)	0
NCV887720BSTGEVB Test Procedure	NCV887720BSTGEVB_TEST_PROCEDURE (66kB)	1

Evaluation/Development Tool Information

Product	Status	Compliance	Short Description
NCV887701BSTGEVB	Active	Pb-free	NCV887701 Automotive Start-Stop Non-Synchronous Boost Controller Evaluation Board
NCV887720BSTGEVB	Active	Pb-free	Automotive Start-Stop Non-Synchronous Boost Controller Evaluation Board

Order Information

Product	Status	Compliance	Package		MSL*	Container		Budgetary Price/Unit
NCV887700D1R2G	Active	AEC Qualified PPAP Capable Pb-free Halide free	SOIC-8	751-07	1	Tape and Reel	2500	$0.9
NCV887701D1R2G	Active	AEC Qualified PPAP Capable Pb-free Halide free	SOIC-8	751-07	1	Tape and Reel	2500	$0.9
NCV887720D1R2G	Active	AEC Qualified PPAP Capable Pb-free Halide free	SOIC-8	751-07	1	Tape and Reel	2500	$0.9
NCV887740D1R2G	Active	AEC Qualified PPAP Capable Pb-free Halide free	SOIC-8	751-07	1	Tape and Reel	2500	$0.9

Specifications

Product	Topology	Phases	Control Mode	VCC Min (V)	VCC Max (V)	fSW Typ (kHz)
NCV887700D1R2G	Step-Up	1	Current Mode	3.8	45	Up to 500
NCV887701D1R2G	Step-Up	1	Current Mode	3.8	45	Up to 500
NCV887720D1R2G	Step-Up	1	Current Mode	3.8	45	Up to 500
NCV887740D1R2G	Step-Up	1	Current Mode	3.8	45	Up to 500