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MCP73834-FCI/UN bảng dữ liệu(PDF) 4 Page - Microchip Technology

tên linh kiện MCP73834-FCI/UN
Giải thích chi tiết về linh kiện  Stand-Alone Linear Li-Ion / Li-Polymer Charge Management Controller
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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MCP73834-FCI/UN bảng dữ liệu(HTML) 4 Page - Microchip Technology

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MCP73833/4
DS22005B-page 4
© 2009 Microchip Technology Inc.
Preconditioning Current Regulation (Trickle Charge Constant Current Mode)
Precondition Current Ratio
IPREG / IREG
7.5
10
12.5
%
PROG = 1.0 k
Ω to 10 kΩ
15
20
25
%
TA=-5°C to +55°C
30
40
50
%
100
%
Precondition Voltage Threshold
Ratio
VPTH / VREG
64
66.5
70
%
VBAT Low-to-High
69
71.5
75
%
Precondition Hysteresis
VPHYS
100
mV
VBAT High-to-Low
Charge Termination
Charge Termination Current Ratio
ITERM / IREG
3.75
5
6.25
%
PROG = 1.0 k
Ω to 10 kΩ
5.6
7.5
9.4
%
TA=-5°C to +55°C
7.5
10
12.5
%
15
20
25
%
Automatic Recharge
Recharge Voltage Threshold Ratio
VRTH / VREG
94.0
%
VBAT High-to-Low
96.5
%
Pass Transistor ON-Resistance
ON-Resistance
RDSON
300
m
Ω
VDD = 3.75V
TJ = 105°C
Battery Discharge Current
Output Reverse Leakage Current
IDISCHARGE
0.15
2
µA
PROG Floating
—0.25
2
µA
VDD < VBAT
—0.15
2
µA
VDD < VSTOP
-5.5
-15
µA
Charge Complete
Status Indicators - STAT1, STAT2, PG
Sink Current
ISINK
—15
25
mA
Low Output Voltage
VOL
—0.4
1
V
ISINK = 4 mA
Input Leakage Current
ILK
0.01
1
µA
High Impedance, 6V on pin
PROG Input
Charge Impedance Range
RPROG
1—
20
k
Ω
Standy Impedance
RPROG
70
200
k
Ω
Minimum Impedance for
Standby
Thermistor Bias
Thermistor Current Source
ITHERM
47
50
53
µA
2 k
Ω < RTHERM < 50 kΩ
Thermistor Comparator
Upper Trip Threshold
VT1
1.20
1.23
1.26
V
VTHERM Low-to-High
Upper Trip Point Hysteresis
VT1HYS
—-50
mV
Lower Trip Threshold
VT2
0.235
0.25
0.265
V
VTHERM High-to-Low
Lower Trip Point Hysteresis
VT2HYS
—50
mV
System Test (LDO) Mode
Input High Voltage Level
VIH
(VDD-0.1)
——
V
THERM Input Sink Current
ISINK
3
6
20
µA
Stand-by or system test mode
Bypass Capacitance
CBAT
1—
µF
IOUT < 250 mA
4.7
µF
IOUT > 250 mA
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise specified, all limits apply for VDD= [VREG(Typical)+0.3V] to 6V, TA=-40°C to 85°C.
Typical values are at +25°C, VDD= [VREG(Typical)+1.0V]
Parameters
Sym
Min
Typ
Max
Units
Conditions


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