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MCP73123-22S/MF データシート(PDF) 11 Page - Microchip Technology

部品番号 MCP73123-22S/MF
部品情報  Lithium Iron Phosphate (LiFePO4) Battery Charge Management Controller with Input Overvoltage Protection
PDF  28 Pages
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メーカー  MICROCHIP [Microchip Technology]
ホームページ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP73123-22S/MF データシート(HTML) 11 Page - Microchip Technology

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 2009-2013 Microchip Technology Inc.
DS22191E-page 11
MCP73123/223
4.0
DEVICE OVERVIEW
The MCP73123/223 are simple, but fully integrated
linear charge management controllers. Figure 4-1
depicts the operational flow algorithm.
FIGURE 4-1:
The MCP73123/223 Flow Chart.
VBAT < VPTH
Timer Expired
SHUTDOWN MODE
VDD < VUVLO
VDD < VPD
or
PROG > 200 k
STAT = High-Z
TEMPERATURE FAULT
No Charge Current
STAT = Flashing (Type 2)
STAT = High-Z (Type 1)
Timer Suspended
TIMER FAULT
No Charge Current
STAT = Flashing (Type 2)
STAT = High-Z (Type 1)
Timer Suspended
PRECONDITIONING MODE
Charge Current = IPREG
STAT = LOW
Timer Reset
Timer Enable
FAST CHARGE MODE
Charge Current = IREG
STAT = LOW
Timer Reset
Timer Enabled
CONSTANT VOLTAGE MODE
Charge Voltage = VREG
STAT = LOW
CHARGE COMPLETE MODE
No Charge Current
STAT = High-Z
Timer Reset
VBAT > VPTH
VBAT = VREG
VBAT < ITERM
VBAT > VPTH
VBAT < VRTH
VDD < VOVP
VDD > VOVP
OVERVOLTAGE PROTECTION
No Charge Current
STAT = High-Z
Timer Suspended
VDD > VOVP
VDD < VOVP
VDD > VOVP
VDD < VOVP
Timer Expired
TIMER FAULT
No Charge Current
STAT = Flashing (Type 2)
STAT = High-Z (Type 1)
Timer Suspended
Die Temperature > TSD
Die Temperature < TSDHYS
Charge Mode Resume
BATTERY SHORT PROTECTION
Charge Current = ISHORT
STAT = Flashing (Type 2)
STAT = High-Z (Type 1)
Timer Suspended
VBAT > VSHORT
VBAT < VSHORT
Charge Mode Resume



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