apm8601 Diodes, Inc., apm8601 Datasheet - Page 7
apm8601
Manufacturer Part Number
apm8601
Description
Dual Channel Single Cell Linear Lithium Battery Charger With 28v Ovp And Programmable Charge Timer
Manufacturer
Diodes, Inc.
Datasheet
1.APM8601.pdf
(14 pages)
Functional Description
APM8601 is a linear Li-Ion battery charger device for single-cell applications. It has dual power inputs (DC and USB) and the
charge currents can be programmed with the R
features, such as charge timers, battery temperature monitoring and internal thermal limiting.
Functional State Diagram
APM8601
Document number: DS35138 Rev. 1 - 2
CHG
CHG
ANY STATE
POK
POK
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
DUAL CHANNEL SINGLE CELL LINEAR LITHIUM BATTERY
CHARGER WITH 28V OVP and PROGRAMMABLE CHARGE
< 315Ω
< 28.3kΩ)
< 3.94kΩ)
> 28.3kΩ
< 315Ω
< 28.3kΩ)
< 3.94kΩ)
> 28.3kΩ
> 3.94kΩ
> 315Ω
> 3.94kΩ
> 315Ω
I
Reset Timer
BAT
SETI
> 172.5 / R
V
Reset Timer
resistor and/or the USEL pin. The device also incorporates several safety
POK
POK
POK
POK
BAT
POK
I
I
BAT
I
I
I
BAT
BAT
BAT
BAT
www.diodes.com
< 2.82V
(USB)
(DC)
1
0
0
0
7 of 14
SETI
0
PREQUAL
DISABLE
TOP-OFF
FLT
FLT
FLT
FLT
CHARGE
DONE
FLT
150 / R
USEL Setting
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
APM8601
FAULT
0
1
V
Reset Timer
BAT
© Diodes Incorporated
SETI
December 2010
FLT
< 4.05V
I
BAT
TIMER
0A
0