MCP73837-NVI/MF Microchip Technology, MCP73837-NVI/MF Datasheet - Page 15

IC LIION CHRGR USB/AC-IN 10DFN

MCP73837-NVI/MF

Manufacturer Part Number
MCP73837-NVI/MF
Description
IC LIION CHRGR USB/AC-IN 10DFN
Manufacturer
Microchip Technology
Datasheet

Specifications of MCP73837-NVI/MF

Battery Type
Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
Function
Charge Management
Voltage - Supply
4.5 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-DFN
Input Voltage
6V
Battery Charge Voltage
4.5V
Charge Current Max
1A
Battery Ic Case Style
DFN
No. Of Pins
10
No. Of Series Cells
1
Product
Charge Management
Output Voltage
4.2 V, 4.35 V, 4.4 V, 4.5 V
Output Current
1200 mA
Operating Supply Voltage
3.75 V to 6 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
4.0
The MCP73837/8 devices are simple, yet fully integrated linear charge management controllers.
operational flow algorithm.
FIGURE 4-1:
© 2007 Microchip Technology Inc.
SYSTEM TEST (LDO) MODE
TEMPERATURE FAULT
DEVICE OVERVIEW
V
No Charge Current
THERM
Timer Suspended
Timer Suspended
STAT1 = LOW
STAT2 = LOW
STAT1 = Hi-Z
STAT2 = Hi-Z
PG = LOW
PG = LOW
> (V
DD
-100 mV)
Flow Chart.
PRECONDITIONING MODE
CONSTANT VOLTAGE MODE
CHARGE COMPLETE MODE
FAST CHARGE MODE
Charge Current = I
SHUTDOWN MODE*
Charge Current = I
Charge Voltage = V
STANDBY MODE *
V
No Charge Current
BAT
PROG > 200k Ω
STAT1 = LOW
STAT2 = Hi-Z
STAT1 = LOW
STAT2 = Hi-Z
STAT1 = Hi-Z
STAT2 = LOW
Timer Enabled
STAT1 = Hi-Z
STAT2 = Hi-Z
STAT1 = LOW
STAT2 = Hi-Z
PG = LOW
Timer Reset
V
V
STAT1 = Hi-Z
PG = LOW
STAT2 = Hi-Z
PG = LOW
PG = LOW
PG = LOW
DD
DD
> (V
PG = Hi-Z
<
< V
REG
V
BAT
STOP
I
Timer Expired
BAT
V
V
V
+100 mV)
BAT
BAT
BAT
-
REG
< I
100 mV
PREG
REG
< V
> V
= V
TERM
PTH
REG
PTH
V
V
BAT
BAT
> V
*
< V
Timer Expired
Continuously Monitored
PTH
MCP73837/8
RTH
Figure 4-1
TIMER FAULT
No Charge Current
Timer Suspended
DS22071A-page 15
STAT1 = Hi-Z
STAT2 = Hi-Z
PG = LOW
depicts the

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