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APM8601 датащи(PDF) 7 Page - Diodes Incorporated

номер детали APM8601
подробное описание детали  DUAL CHANNEL SINGLE CELL LINEAR LITHIUM BATTERY CHARGER WITH 28V
PDF  14 Pages
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производитель  DIODES [Diodes Incorporated]
домашняя страница  http://www.diodes.com
Logo DIODES - Diodes Incorporated

APM8601 датащи(HTML) 7 Page - Diodes Incorporated

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APM8601
DUAL CHANNEL SINGLE CELL LINEAR LITHIUM BATTERY
CHARGER WITH 28V OVP and PROGRAMMABLE CHARGE
TIMER
APM8601
Document number: DS35138 Rev. 1 - 2
7 of 14
www.diodes.com
December 2010
© Diodes Incorporated
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 RSETI resistor and/or the USEL pin. The device also incorporates several safety
features, such as charge timers, battery temperature monitoring and internal thermal limiting.
Functional State Diagram
ANY STATE
EN = HIGH
OR
VIN < VBAT
OR
VIN < 4.0V
OR
VIN > 7.5V
EN = LOW
AND VIN > VBAT
AND VIN > 4.0V
AND VIN < 7.5V
VBAT > 3V
Reset Timer
VBAT < 2.82V
Reset Timer
IBAT < 112.5 / RSETI
Reset Timer
IBAT > 172.5 / RSETI
Reset Timer
RTHM < 315Ω
OR
(RTHM > 3.94kΩ
AND RTHM < 28.3kΩ)
(RTHM > 315Ω
AND RTHM < 3.94kΩ)
OR
RTHM > 28.3kΩ
RTHM < 315Ω
OR
(RTHM > 3.94kΩ
AND RTHM < 28.3kΩ)
(RTHM > 315Ω
AND RTHM < 3.94kΩ)
OR
RTHM > 28.3kΩ
Time out
VBAT < 4.05V
Reset Timer
IBAT > 112.5 / RSETI
AND Time out
VBAT < 3V
AND Time out
DISABLE
POK
1
FLT
1
CHG
1
IBAT
0A
PREQUAL
POK
0
FLT
1
CHG
1
IBAT
150 / RSETI
Timer Hold
THM
POK
0
FLT
1
CHG
1
IBAT
0A
TOP-OFF
POK
0
FLT
1
CHG
1
CHARGE
POK
0
FLT
1
CHG
0
IBAT (USB)
USEL Setting
IBAT (DC)
1500 / RSETI
DONE
POK
0
FLT
1
CHG
1
IBAT
0A
Timer Hold
THM
POK
0
FLT
1
CHG
0
IBAT
0A
FAULT
POK
0
FLT
0
CHG
1
IBAT
0A



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