参数资料
| 型号： | APM8601FB-7 |
| 厂商： | Diodes Inc |
| 文件页数： | 2/14页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHRGR LI-ION UDFN3030-14 |
| 标准包装： | 1 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 4.15 V ~ 7 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-UFDFN 裸露焊盘 |
| 供应商设备封装： | 14-UDFN3030（3x3） |
| 包装： | 标准包装 |
| 其它名称： | APM8601FB-7DIDKR |
APM8601
DUAL CHANNEL SINGLE CELL LINEAR LITHIUM BATTERY
CHARGER WITH 28V OVP and PROGRAMMABLE CHARGE
TIMER
Pin Descriptions
Name
Pin #
Description
BAT
SETI
1, 7
2
Connection to the
Battery
Charge Current
programming
The battery is charged via this pin and the BAT voltage is constantly monitored.
Connect a bypass capacitor between BAT and GND (2.2μF).
The maximum charge current is programmed using a resistor from SETI to GND.
This also determines the prequal current charging level and top-off threshold.
To monitor the battery temperature, connect a 10k ? NTC thermistor. Place this
THM
GND
3
4
Thermistor Input thermistor as close as possible to the battery. Connect THM to GND if
temperature measurement is not required.
Ground Ground connection.
CT
USEL
EN
USB
POK
CHG
5
6
8
9
10
11
Charge Timing
USB Charge
Select
Enable
(active-low)
USB Input
Power OK
(active-low)
Charge Status
(active-low)
Connecting a capacitor from CT to GND will set the time-outs for prequal, top-off
and fast-charge. Connecting CT direct to GND disables these timers.
Logic input to program the charge current in USB charging mode.
I BAT = 90mA when USEL = low, and I BAT = 475mA when USEL = high.
The charger is enabled when this input is low. To start the charger connect EN
to GND. Drive this input high to disable the charger.
USB supply input. Connect a bypass capacitor (1μF) from USB to GND.
When a valid input source is connected, this open-drain output is pulled low.
Open-drain output that indicates the charging status. It is active only in the fast-
charge state and goes high-impedance when the charger is either disabled or in
prequal or top-off mode.
DC supply input. The recommended input voltage is between 4.32V and 7V. This
DC
12, 13
DC Input
input is capable of withstanding up to 28V. Connect both DC pins together on the
PCB. It is recommended to connect a bypass capacitor (1μF) from DC to GND.
FLT
14
EP
Fault Flag
(active-low)
Exposed Pad
If the prequal or fast-charge timers expire and the charging threshold voltage is
not reached, FLT (open-drain output) will go low. Remove the fault by cycling
power or raise EN .
For optimal thermal performance connect to copper on PCB (electrically this can
be GND).
APM8601
Document number: DS35138 Rev. 1 - 2
2 of 14
December 2010
? Diodes Incorporated
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