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| 型号： | NCP1800DM42R2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/14页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR BATT CHRGR CC/CV 8MICRO |
| 产品变化通告： | Product Obsolescence 01/Jul/2009 |
| 标准包装： | 1 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.5 V ~ 16 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | Micro8? |
| 包装： | 剪切带 (CT) |
| 其它名称： | NCP1800DM42R2GOSCT |
NCP1800
R SNS
C in
V CC
Active Pullup
OUT
CC
I SNS
V SNS
Chip
Enable
CONTROL
CV
V REF
ISEL
I REF
V REF
V REF
Input UV
Lockout
EOC
Detect
EOC REF
R ISEL
CFLG
V REF
V REF
Input OV
Lockout
LOGIC
Pre CHG
Complete
V SNS
Overvoltage
V REF
V REF
C out
GND
COMP/DIS
Figure 2. NCP1800 Internal Block Diagram
PIN FUNCTION DESCRIPTIONS
Pin
1
2
3
4
5
6
7
8
Symbol
I SNS
ISEL
COMP/DIS
GND
V SNS
CFLG
V CC
OUT
Description
This is one of the inputs to the current regulator and the end?of?charge comparator.
A resistor from this pin to ground pin sets the full charging current regulation level.
This is a multifunctional pin that is used for compensation and can be used to interrupt charge with an open
drain/collector output from a microcontroller. When this pin is pulled to ground, the charge current is interrupted.
This is the ground pin of the IC.
This is an input that is used to sense battery voltage and is the other input to the current regulator. It also serves
as the input to the battery overvoltage comparator.
An open drain output that indicates the battery charging status.
This is a multifunctional pin that powers the device and senses for over and undervoltage conditions.
This is a current source driver for the pass transistor.
http://onsemi.com
2
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