參數(shù)資料
型號： MCP73832
廠商： Microchip Technology Inc.
英文描述： Miniature Single-Cell, Fully Integrated Li-Ion, Li-Polymer Charge Management Controllers
中文描述： 微型單細(xì)胞，完全集成的鋰離子電池，鋰聚合物充電管理控制器
文件頁數(shù)： 4/24頁
文件大?。?/td> 696K
代理商： MCP73832
MCP73831/2
DS21984B-page 4
2006 Microchip Technology Inc.
Preconditioning Current Regulation (Trickle Charge Constant-Current Mode)
Precondition Current
Ratio
I
PREG
/ I
REG
7.5
15
30
—
10
20
40
100
12.5
25
50
—
%
%
%
%
PROG = 2.0 k
Ω
to 10 k
Ω
PROG = 2.0 k
Ω
to 10 k
Ω
PROG = 2.0 k
Ω
to 10 k
Ω
No Preconditioning
T
A
= -5°C to +55°C
V
BAT
Low-to-High
V
BAT
Low-to-High
V
BAT
High-to-Low
Precondition Voltage
Threshold Ratio
V
PTH
/ V
REG
64
69
—
66.5
71.5
110
69
74
—
%
%
mV
Precondition Hysteresis
Charge Termination
Charge Termination
Current Ratio
V
PHYS
I
TERM
/ I
REG
3.75
5.6
7.5
15
5
6.25
9.4
12.5
25
%
%
%
%
PROG = 2.0 k
Ω
to 10 k
Ω
PROG = 2.0 k
Ω
to 10 k
Ω
PROG = 2.0 k
Ω
to 10 k
Ω
PROG = 2.0 k
Ω
to 10 k
Ω
T
A
= -5°C to +55°C
7.5
10
20
Automatic Recharge
Recharge Voltage
Threshold Ratio
V
RTH
/ V
REG
91.5
94
94.0
96.5
96.5
99
%
%
V
BAT
High-to-Low
V
BAT
High-to-Low
Pass Transistor ON-Resistance
ON-Resistance
Battery Discharge Current
Output Reverse Leakage
Current
R
DSON
—
350
—
m
Ω
V
DD
= 3.75V, T
J
= 105°C
I
DISCHARGE
—
—
—
—
0.15
0.25
0.15
-5.5
2
2
2
μ
A
μ
A
μ
A
μ
A
PROG Floating
V
DD
Floating
V
DD
< V
STOP
Charge Complete
-15
Status Indicator – STAT
Sink Current
Low Output Voltage
Source Current
High Output Voltage
Input Leakage Current
PROG Input
Charge Impedance
Range
Minimum Shutdown
Impedance
Automatic Power Down
Automatic Power Down
Entry Threshold
Automatic Power Down
Exit Threshold
Thermal Shutdown
Die Temperature
Die Temperature
Hysteresis
Note
1:
Not production tested. Ensured by design.
I
SINK
V
OL
I
SOURCE
V
OH
I
LK
—
—
—
—
—
—
0.4
—
25
1
35
mA
V
mA
V
μ
A
I
SINK
= 4 mA
V
DD
-0.4
0.03
V
DD
- 1
1
I
SOURCE
= 4 mA (MCP73831)
High-Impedance
R
PROG
2
—
20
k
Ω
R
PROG
70
—
200
k
Ω
V
PDENTER
V
DD
<(V
BAT
+20mV)
—
V
DD
<(V
BAT
+50mV)
V
DD
<(V
BAT
+150mV)
—
3.5V
≤
V
BAT
≤
V
REG
V
DD
Falling
3.5V
≤
V
BAT
≤
V
REG
V
DD
Rising
V
PDEXIT
V
DD
<(V
BAT
+200mV)
T
SD
T
SDHYS
—
—
150
10
—
—
°
C
°
C
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, all limits apply for V
DD
= [V
REG
(typ.) + 0.3V] to 6V, T
A
= -40°C to +85°C.
Typical values are at +25°C, V
DD
= [V
REG
(typ.) + 1.0V]
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
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