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| 型号： | MCP73113T-06SI/MF |
| 厂商： | Microchip Technology |
| 文件页数： | 19/34页 |
| 文件大小： | 0K |
| 描述： | IC LI-ION/LI-POLY CTRLR 10-DFN |
| 标准包装： | 3,300 |
| 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 V ~ 16 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 配用： | MCP73113EV-1SOVP-ND - BOARD EVAL BATT CHARGER MCP73113 |
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MCP73113/4
5.9
THERMAL REGULATION
TABLE 5-2:
STATUS OUTPUTS
The MCP73113/4 shall limit the charge current based
on the die temperature. The thermal regulation
optimizes the charge cycle time while maintaining
device reliability. Figure 5-1 depicts the thermal
regulation for the MCP73113/4 device. Refer to
Considerations” for calculating power dissipation.
.
600
500
400
300
CHARGE CYCLE STATE
Shutdown
Standby
Preconditioning
Constant Current Fast
Charge
Constant Voltage
Charge Complete - Standby
Temperature Fault
Timer Fault
STAT
Hi-Z
Hi-Z
L
L
L
Hi-Z
1.6 second 50% D.C.
Flashing (Type2)
Hi-Z (Type 1)
1.6 second 50% D.C.
Flashing (Type 2)
Hi-Z (Type 1)
200
100
V DD = 5.2V
R PROG = 2 k ?
Preconditioning Timer Fault
1.6 second 50% D.C.
Flashing (Type 2)
Hi-Z (Type 1)
0
25 35 45 55 65 75 85 95 105 115 125 135 145
Junction Temperature (°C)
5.12 BATTERY SHORT PROTECTION
Once a single-cell Li-Ion battery is detected, an internal
FIGURE 5-1: Charge Current (I OUT ) vs.
Junction Temperature (T J ).
battery short protection (BSP) circuit starts monitoring
the battery voltage. When V BAT falls below a typical
1.7V battery short protection threshold voltage, the
5.10
THERMAL SHUTDOWN
charging behavior is postponed. 25 mA (typical)
detection current is supplied for recovering from battery
The MCP73113/4 suspends charge if the die
temperature exceeds +150°C. Charging will resume
when the die temperature has cooled by
approximately 10°C. The thermal shutdown is a
secondary safety feature in the event that there is a
failure within the thermal regulation circuitry.
short condition.
Preconditioning mode resumes when V BAT raises
above battery short protection threshold. The battery
voltage must rise approximately 150 mV above the
battery short protection voltage before the
MCP73113/4 device becomes operational.
5.11
Status Indicator
The charge status outputs are open-drain outputs with
two different states: Low (L), and High Impedance
(Hi-Z). The charge status outputs can be used to
illuminate LEDs. Optionally, the charge status outputs
can be used as an interface to a host microcontroller.
during a charge cycle.
? 2010 Microchip Technology Inc.
DS22183C-page 19
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP73113T-0NSI/MF | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection |
| MCP73113T-16SI/MF | 功能描述:电池管理 Single cell OVP battery Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MCP73113T-1NSI/MF | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection |
| MCP73114 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection |
| MCP73114-06SI/MF | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection |
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