apm8600 Diodes, Inc., apm8600 Datasheet - Page 7

• Manufacturer Part Number: apm8600
• Description: Single Cell Linear Lithium Battery Charger With 28v Ovp And Programmable Charge Timer
• Manufacturer: Diodes, Inc.

Functional Description
APM8600 is a linear Li-Ion battery charger device for single-cell applications. Charge currents can be programmed with the
R
and internal thermal limiting.
Functional State Diagram
APM8600
Document number: DS35140 Rev. 1 - 2
SETI
CHG
CHG
ANY STATE
POK
POK
resistor. The device also incorporates several safety features, such as charge timers, battery temperature monitoring
Timer Hold
Timer Hold
0
1
0
0
THM
THM
FLT
FLT
I
I
BAT
BAT
OR
OR
OR
0A
0A
EN = HIGH
V
V
V
1
1
IN
IN
IN
OR
AND R
AND R
OR
OR
AND R
AND R
OR
< V
< 4.0V
> 7.5V
BAT
R
(R
(R
R
R
(R
(R
R
THM
THM
THM
THM
THM
THM
THM
THM
THM
THM
THM
THM
< 315Ω
< 28.3kΩ)
< 3.94kΩ)
> 28.3kΩ
< 315Ω
< 28.3kΩ)
< 3.94kΩ)
> 28.3kΩ
> 3.94kΩ
> 315Ω
> 3.94kΩ
> 315Ω
I
Reset Timer
BAT
WITH 28V OVP AND PROGRAMMABLE CHARGE TIMER
> 172.5 / R
SINGLE CELL LINEAR LITHIUM BATTERY CHARGER
V
Reset Timer
POK
POK
POK
POK
BAT
POK
I
I
I
I
BAT
BAT
BAT
BAT
www.diodes.com
< 2.82V
(DC)
1
0
0
0
7 of 14
SETI
0
PREQUAL
DISABLE
TOP-OFF
FLT
FLT
FLT
FLT
CHARGE
DONE
FLT
150 / R
1500 / R
1
1
1
1
AND V
AND V
AND V
Time out
1
0A
0A
V
Reset Timer
I
Reset Timer
BAT
BAT
CHG
CHG
CHG
CHG
SETI
CHG
< 112.5 / R
EN = LOW
> 3V
SETI
IN
IN
IN
> V
> 4.0V
< 7.5V
1
1
1
1
0
BAT
SETI
V
AND Time out
I
AND Time out
BAT
POK
CHG
BAT
> 112.5 / R
< 3V
APM8600
FAULT
0
1
V
Reset Timer
BAT
© Diodes Incorporated
SETI
December 2010
FLT
< 4.05V
I
BAT
0A
0