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MCP73830 Datasheet(PDF) 9 Page - Microchip Technology

Part # MCP73830
Description  Single-Cell Li-Ion/Li-Polymer Battery Charge Management Controllers in 2x2 TDFN
PDF  22 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP73830 Datasheet(HTML) 9 Page - Microchip Technology

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 2011-2014 Microchip Technology Inc.
DS20005049D-page 9
MCP73830/L
4.0
DEVICE OVERVIEW
The MCP73830/L are simple, but fully integrated, linear
charge management controllers. Figure 4-1 depicts the
operational flow algorithm.
FIGURE 4-1:
The MCP73830/L Flowchart.
VBAT > VPTH
*Continuously monitored
SHUTDOWN MODE
VDD < (UVLO)
VDD < (VBAT)*
VBAT > 96.5% VREG
STAT = High Z
STANDBY MODE*
CE = High
STAT = High Z
PRECONDITIONING
MODE
Charge Current = IREG
STAT = Low
PRE-TIMER FAULT
NO Charge Current
STAT = Flash (2 Hz)
Preconditioning Timer
Suspended
TIMER FAULT
NO Charge Current
STAT = High Z
Timer Suspended
CONSTANT CURRENT
MODE
Charge Current = IPREG
STAT = Low
Preconditioning Timer
Suspended
Elapsed Timer Enabled
CONSTANT VOLTAGE
MODE
Charge Voltage = VREG
STAT = Low
CHARGE COMPLETE
MODE
NO Charge Current
STAT = High Z
Timer Reset
VBAT = VREG
VBAT >= VPTH
VBAT < VPTH
IBAT < ITERM
VBAT < VRTH
Recharge Mode
(available when selected device
has automatic recharge option).
CE = Low
CE = Low
No Auto-Recharge option



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