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参数资料
| 型号： | MCP73X23EV-LFP |
| 厂商： | Microchip Technology |
| 文件页数： | 2/34页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL BATT CHARGER MCP73X23 |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电池充电器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MCP73123，MCP73223 |
| 主要属性： | 1 芯或 2 芯 LiFePO4（磷酸铁锂），500mA 时为 3.6V 和 7.2V |
| 次要属性： | 安全计时器，热保护，自动终止充电和再充电 |
| 已供物品： | 板 |
| 产品目录页面： | 669 (CN2011-ZH PDF) |
| 相关产品： | MCP73223T-C2SI/MF-ND - IC LI IRON PHOSPHATE CTRLR 10DFN MCP73123T-22SI/MF-ND - IC LI IRON PHOSPHATE CTRLR 10DFN MCP73223-C2SI/MF-ND - IC LI IRON PHOSPHATE CTRLR 10DFN MCP73123-22SI/MF-ND - IC LI IRON PHOSPHATE CTRLR 10DFN |
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MCP73123/223
Typical Application
MCP73123 Typical Application
AC-DC Adapter
1
V DD
V BAT
3
4.7 μF
2 V DD
V BAT
4
4.7 μF
+
1 k ?
7
STAT
5 NC
PROG
V SS
10
9
1.15 k ?
-
1-Cell
LiFePO 4
Battery
TABLE 1:
6 NC
AVAILABLE FACTORY PRESET OPTIONS
V SS
8
Charge
Voltage
3.6V
OVP
6.5V
Pre-
conditioning
Charge Current
Disable/10%
Pre-
conditioning
Threshold
2V
Precondition
Timer
Disable /
Elapse
Timer
Disable/4 hr./
End-of-
Charge
Control
5%/7.5%/
Automatic
Recharge
No /
Output
Status
Type 1/
32 Minimum
6 hr./8 hr.
10%/20%
Yes
Type 2
7.2V
13V
Disable/10%
4V
Disable /
Disable/4 hr./
5%/7.5%/
No /
Type 1/
32 Minimum
6 hr./8 hr.
10%/20%
Yes
Type 2
Note 1:
2:
3:
4:
5:
6:
7:
TABLE 2:
I REG : Regulated fast charge current.
V REG : Regulated charge voltage.
I PREG /I REG : Preconditioning charge current; ratio of regulated fast charge current.
I TERM /I REG : End-of-Charge control; ratio of regulated fast charge current.
V RTH /V REG : Recharge threshold; ratio of regulated battery voltage.
V PTH /V REG : Preconditioning threshold voltage.
STANDARD SAMPLE OPTIONS
Part
Number
V REG
OVP
I PREG /I REG
Pre-charge
Timer
Elapse
Timer
I TERM /I REG V RTH /V REG V PTH /V REG
Output
Status
MCP73123-22S/MF
MCP73123-22A/MF
MCP73223-C2S/MF
MCP73223-C2A/MF
3.6V
3.6V
7.2V
7.2V
6.5V
6.5V
13V
13V
10%
10%
10%
10%
32 Min.
32 Min.
32 Min.
32 Min.
6 hr.
6 hr.
6 hr.
6 hr.
10%
10%
10%
10%
95%
0%
95%
0%
2V
2V
4V
4V
Type 1
Type 1
Type 1
Type 1
Note 1:
2:
Customers should contact their distributor, representatives or field application engineer (FAE) for support and samples.
Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of
this document. Technical support is available through the web site at: http//support.microchip.com.
Contact your local Microchip sales office for alternative device options.
DS22191D-page 2
? 2009-2011 Microchip Technology Inc.
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