参数资料
| 型号： | APM8601FB-7 |
| 厂商： | Diodes Inc |
| 文件页数： | 8/14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
Functional Description (continued)
INPUTS
DC
Pins 12 and 13 are the DC input. This input will allow charging from input voltages between 4.15V and 7V, and can
withstand up to 28V without device damage although charging is disabled above 7.5V (typ.).
USB
Pin 9 is the USB power input. This input will charge with input voltages from 4.15V to 7V. The charging current
drawn from USB is selected using the USEL pin, either at 95mA (1 USB power allocation unit) or 475mA (5 USB power
allocation units, High Power). Note that R SETI has no effect on USB charging currents in the Charge state, but R SETI does
affect the Prequal current when charging from USB. This pin will also withstand up to 28V, but charging is disabled above
7.5V (typ.).
If both DC and USB are connected and valid, power will be drawn from DC with charge current set by R SETI .
USB and USEL will be ignored.
GND
EN
System ground connection.
Pin 8 is the enable pin of the device. When pulled low the device will operate normally. When high, the device will
remain in the disabled state. For auto-starting, connect pin 8 directly to GND.
SETI
Pin 2 allows the charge currents to be programmed.
RSETI =
1500
ICHARGE
The charge current setting also changes the currents in prequal and top-off modes (being 10% and 7.5% of I CHARGE
respectively):
IPREQUAL =
150
RSETI
ITOPOFF =
112.5
RSETI
This pin can also be used to monitor the battery charging current:
ICHARGE =
VSETI × 1000
RSETI
THM
The thermistor connection is on pin 3. This allows the battery temperature to be monitored using a 10k NTC
thermistor, which should be placed as close as possible to the battery cell. If no thermistor is used then this input should be
connected directly to ground. The charger will operate when there is less than 315 ? on this input (i.e., no thermistor
connected); will be disabled when there is between 315 ? and 3.94k ? ; enabled when between 3.94k ? and 28.3k ? ; and
disabled above 28.3k ? .
Thermistor
Resistance ? in ? k Ω? at
Typical ? in ? °C
Enabled
Beta
0°C 25°C
50°C
Hot ? trip Cold ? Trip
3000
3250
25.1 10 4.6
27.1 10 4.3
55.1
52.6
‐ 3.2
‐ 1.3
3500
29.3 10 4
50.5 0.5
0
315 ?
3.94k
R THM
28.3k
3750
31.7 10 3.8
48.6 2.0
APM8601
Document number: DS35138 Rev. 1 - 2
8 of 14
December 2010
? Diodes Incorporated
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