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MCP73832-5DCI/OT bảng dữ liệu(PDF) 4 Page - Microchip Technology

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Giải thích chi tiết về linh kiện  Miniature Single-Cell, Fully Integrated Li-Ion, Li-Polymer Charge Management Controllers
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MCP73831/2
DS20001984G-page 4
 2005-2014 Microchip Technology Inc.
Preconditioning Current Regulation (Trickle Charge Constant-Current Mode)
Precondition Current
Ratio
IPREG / IREG
7.5
10
12.5
%
PROG = 2.0 k
to 10 k
15
20
25
%
PROG = 2.0 k
to 10 k
30
40
50
%
PROG = 2.0 k
to 10 k
100
%
No Preconditioning
TA = -5°C to +55°C
Precondition Voltage
Threshold Ratio
VPTH / VREG
64
66.5
69
%
VBAT Low-to-High
69
71.5
74
%
VBAT Low-to-High
Precondition Hysteresis
VPHYS
—110
mV
VBAT High-to-Low
Charge Termination
Charge Termination
Current Ratio
ITERM / IREG
3.75
5
6.25
%
PROG = 2.0 k
to 10 k
5.6
7.5
9.4
%
PROG = 2.0 k
to 10 k
8.5
10
11.5
%
PROG = 2.0 k
to 10 k
15
20
25
%
PROG = 2.0 k
to 10 k
TA = -5°C to +55°C
Automatic Recharge
Recharge Voltage
Threshold Ratio
VRTH / VREG
91.5
94.0
96.5
%
VBAT High-to-Low
94
96.5
99
%
VBAT High-to-Low
Pass Transistor ON-Resistance
ON-Resistance
RDSON
—350
m
VDD = 3.75V, TJ = 105°C
Battery Detection
Battery Detection Current
IBAT_DET
—6—
µA
VBAT Source Current
No-Battery-Present
Threshold
VNO_BAT
—VREG +
100 mV
—V
VBAT Voltage VNO_BAT for
No Battery condition
No-Battery-Present
Impedance
ZNO_BAT
2—
M
VBAT Impedance ZNO_BAT
for No Battery condition,
Note 1
Battery Discharge Current
Output Reverse Leakage
Current
IDISCHARGE
0.15
2
µA
PROG Floating
—0.25
2
µA
VDD Floating
—0.15
2
µA
VDD < VSTOP
-5.5
-15
µA
Charge Complete
Status Indicator – STAT
Sink Current
ISINK
——
25
mA
Low Output Voltage
VOL
—0.4
1
V
ISINK = 4 mA
Source Current
ISOURCE
——
35
mA
High Output Voltage
VOH
—VDD-0.4
VDD - 1
V
ISOURCE = 4 mA (MCP73831)
Input Leakage Current
ILK
0.03
1
µA
High-Impedance
PROG Input
Charge Impedance
Range
RPROG
2—
67
k
Minimum Shutdown
Impedance
RPROG
70
200
k
Automatic Power Down
Automatic Power Down
Entry Threshold
VPDENTER
VDD<(VBAT
+20 mV)
VDD<(VBAT
+50 mV)
—3.5V
 VBAT  VREG
VDD Falling
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, 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
Note 1:
Not production tested. Ensured by design.


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