MCP73838-FCI/UN Microchip Technology, MCP73838-FCI/UN Datasheet - Page 15

• Manufacturer Part Number: MCP73838-FCI/UN
• Description: IC LIION CHRGR USB/AC-IN 10MSOP
• Manufacturer: Microchip Technology

Specifications of MCP73838-FCI/UN

• 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-TFSOP (0.118", 3.00mm Width)
• Input Voltage: 6V
• Battery Charge Voltage: 4.2V
• Charge Current Max: 500mA
• Battery Ic Case Style: MSOP
• No. Of Pins: 10
• 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