參數(shù)資料
型號(hào)： MCP73841
廠商： Microchip Technology Inc.
英文描述： Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
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(yè)數(shù)： 4/24頁(yè)
文件大?。?/td> 414K
代理商： MCP73841
MCP73841/2/3/4
DS21823B-page 4
2004 Microchip Technology Inc.
Preconditioning Current Regulation (Trickle Charge Constant-Current Mode)
Precondition Current
Regulation Threshold
V
PCS
5
10
15
mV
V
DD
– V
SENSE,
T
A
= -5°C to +55°C
Precondition Threshold Voltage
V
PTH
MCP73841-4.1,
MCP73843-4.1
2.70
2.80
2.90
V
V
BAT
Low-to-High
MCP73841-4.2,
MCP73843-4.2
2.75
2.85
2.95
V
V
BAT
Low-to-High
MCP73842-8.2,
MCP73844-8.2
5.40
5.60
5.80
V
V
BAT
Low-to-High
MCP73842-8.4,
MCP73844-8.4
5.50
5.70
5.90
V
V
BAT
Low-to-High
Charge Termination
Charge Termination Threshold
V
TCS
4
7
10
mV
V
DD
– V
SENSE,
T
A
= -5°C to +55°C
Automatic Recharge
Recharge Threshold Voltage
V
RTH
MCP73841,
MCP73843
V
REG
-
300 mV
V
REG
-
200 mV
V
REG
-
100 mV
V
V
BAT
High-to-Low
MCP73842,
MCP73844
V
REG
-
600 mV
V
REG
-
400 mV
V
REG
-
200 mV
V
V
BAT
High-to-Low
External MOSFET Gate Drive
Gate Drive Current
I
DRV
–
2
–
mA
Sink, CV Mode
–
-0.5
–
mA
Source, CV Mode
Gate Drive Minimum Voltage
V
DRVMIN
V
GS
–
–
1.0
V
V
DD
= 4.5V
V
DD
= 12.0V
Gate - Source Clamp Voltage
-7.0
–
-4.5
V
Thermistor Reference - MCP73841, MCP73842
Thermistor Reference Output
Voltage
V
THREF
2.475
2.55
2.625
V
T
A
= +25°C, V
DD
= V
REG
(Typ)+1V,
I
THREF
= 0 mA
Temperature Coefficient
TC
THREF
I
THREF
–
+50
–
ppm/°C
Thermistor Reference Source
Current
200
–
–
μA
Thermistor Reference Line
Regulation
|(
V
THREF
/
V
THREF
)|/
V
DD
V
THREF
/
V
THREF
–
0.1
0.25
%/V
V
DD
=[V
REG
(Typ)+1V] to 12V
Thermistor Reference Load
Regulation
–
0.01
0.10
%
I
THREF
= 0 mA to 0.20 mA
Thermistor Comparator - MCP73841, MCP73842
Upper Trip Threshold
V
T1
1.18
1.25
1.32
V
Upper Trip Point Hysteresis
V
T1HYS
V
T2
V
T2HYS
|I
BIAS
|
–
-50
–
mV
Lower Trip Threshold
0.59
0.62
0.66
V
Lower Trip Point Hysteresis
–
80
–
mV
Input Bias Current
–
–
2
μA
Status Indicator
Sink Current
I
SINK
V
OL
I
LK
4
7
12
mA
Low Output Voltage
–
200
400
mV
I
SINK
= 1 mA
I
SINK
= 0 mA, V
STAT1
= 12V
Input Leakage Current
–
0.01
1
μA
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, all limits apply for V
DD
= [V
REG
(Typ)+0.3V] to 12V, T
A
= -40°C to +85°C.
Typical values are at +25°C, V
DD
= [V
REG
(Typ) + 1V].
Parameters
Sym
Min
Typ
Max
Units
Conditions
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP73841_13 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
MCP73841-410I/MS 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
MCP73841-410I/UN 功能描述:電池管理 w/ Ch Sfty & Temp Mn RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MCP73841-420I/MS 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
MCP73841-420I/UN 功能描述:電池管理 w/ Ch Sfty & Temp Mn RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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