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參數(shù)資料
| 型號(hào)： | MCP73842 |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | FPGA |
| 英文描述： | FPGA - 200000 SYSTEM GATE 2.5 VOLT - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | 先進(jìn)的單節(jié)或雙節(jié)鋰離子/鋰聚合物充電管理控制器 |
| 文件頁數(shù)： | 2/24頁 |
| 文件大?。?/td> | 414K |
| 代理商： | MCP73842 |
MCP73841/2/3/4
DS21823B-page 2
2004 Microchip Technology Inc.
Functional Block Diagram
Charge
Termination
Comparator
Voltage Control
Amplifier
V
REF
I
REG
/10
Precondition
Control
Charge_ok
Precon
V
DD
Charge Current
Control Amplifier
+
–
V
REF
V
REF
Precondition
Comp
.
V
BAT
V
SS
DRV
90 k
90 k
10 k
10 k
+
–
Charge
Current
Amplifier
V
DD
SENSE
MCP73841 and MCP73842 Only
300 k
(825 k
)
12 k
1 k
UVLO
Comparator
V
UVLO
Temperature
Comparators
Bias and
Reference
Generator
V
UVLO
V
REF
(1.2V)
Power-On
Delay
V
REF
Oscillator
Constant-Voltage/
Recharge Comp.
Charge Control,
Charge Timers,
And
Status Logic
Drv Stat 1
Charge_ok
I
REG
/10
THERM
EN
TIMER
STAT1
THREF
100 k
50 k
50 k
74.21 k
0.79 k
150.02 k
5.15 k
(4.29 k
)
+
-
+
-
+
-
+
-
+
-
+
-
+
-
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