MCP73871_13 datasheet(21/40 Pages) MICROCHIP

부품명	MCP73871

상세설명	Stand-Alone System Load Sharing and Li-Ion/Li-Polymer Battery Charge Management Controller

PDF	40 Pages

Scroll/Zoom	100%

제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

Logo

21 / 40 page

 2008-2013 Microchip Technology Inc.

DS20002090C-page 21

MCP73871

4.0

DEVICE OVERVIEW

The MCP73871 device is a simple but fully integrated

linear charge management controller with system load

sharing feature. Figure 4-1 depicts the operational flow

algorithm.

FIGURE 4-1:

MCP73871 Device Flow Chart.

SHUTDOWN MODE *

VDD < VUVLO

VDD < VBAT

STAT1 = Hi-Z

STAT2 = Hi-Z

PG = Hi-Z

PRECONDITIONING MODE

Charge Current = IPREG

STAT1 = LOW

STAT2 = Hi-Z

PG = LOW

Timer Reset

CONSTANT VOLTAGE MODE

Charge Voltage = VREG

STAT1 = LOW

PG = LOW

VBAT > VPTH

CHARGE COMPLETE MODE

No Charge Current

STAT1 = Hi-Z

STAT2 = LOW

PG = LOW

Timer Reset

IBAT < ITERM

Timer Expired

VBAT < VPTH

STANDBY MODE *

VBAT > (VREG + 100 mV)

CE = LOW

STAT1 = Hi-Z

STAT2 = Hi-Z

PG = LOW

* Continuously Monitored

TEMPERATURE FAULT

No Charge Current

STAT1 = LOW

STAT2 = LOW

PG = LOW

Timer Suspended

TIMER FAULT

No Charge Current

STAT1 = LOW

STAT2 = LOW

PG = LOW

Timer Expired

LBO *

VIN < VBAT

STAT1 = LOW

STAT2 = Hi-Z

PG = Hi-Z

VBAT > VPTH

STAT2 = Hi-Z

Timer Reset

FAST CHARGE MODE

Charge Current = IREG

STAT1 = LOW

STAT2 = Hi-Z

PG = LOW

Timer Enabled

MCP73871 데이터시트(PDF) 21 Page - Microchip Technology

MCP73871 데이터시트(HTML) 21 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

데이터시트 다운로드

링크 URL