參數(shù)資料
型號： ADP3801
廠商： Analog Devices, Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： High Frequency Switch Mode Dual Li-Ion Battery Chargers(高頻開關(guān)模式雙鋰離子充電器)
中文描述： 高頻開關(guān)雙鋰離子電池充電器（高頻開關(guān)模式雙鋰離子充電器）
文件頁數(shù)： 2/20頁
文件大?。?/td> 278K
代理商： ADP3801
–2–
REV. 0
ADP3801/ADP3802–SPECIFICATIONS
Parameter
Conditions
Symbol
Min
Typ
Max
Units
FINAL BATTERY VOLTAGE
One Li-Ion Cell
PROG = V
T1
, ADJ = VL, T
A
= +25
°
C
PROG = V
T1
, ADJ = VL, –10
°
C
≤
T
A
≤
+70
°
C V
BAT
PROG = V
T1
, ADJ = VL, –40
°
C
≤
T
A
≤
+85
°
C V
BAT
PROG = V
T2
, ADJ = VL, T
A
= +25
°
C
PROG = V
T2
, ADJ = VL, –10
°
C
≤
T
A
≤
+70
°
C V
BAT
PROG = V
T2
, ADJ = VL, –40
°
C
≤
T
A
≤
+85
°
C V
BAT
PROG = V
T3
, ADJ = VL, T
A
= +25
°
C
PROG = V
T3
, ADJ = VL, –10
°
C
≤
T
A
≤
+70
°
C V
BAT
PROG = V
T3
, ADJ = VL, –40
°
C
≤
T
A
≤
+85
°
C V
BAT
V
BAT
4.180
4.168
4.150
8.366
8.337
8.300
12.550
12.505
12.450
4.200
4.220
4.232
4.250
8.434
8.463
8.500
12.650
12.695
12.750
V
V
V
V
V
V
V
V
V
Two Li-Ion Cells
1
V
BAT
8.400
Three Li-Ion Cells
1
V
BAT
12.600
BATTERY PROGRAMMING
INPUT (PROG)
One Li-Ion Cell
Two Li-Ion Cells
Three Li-Ion Cells
Fail Safe Voltage
PROG Input Current
(4.2 V)
(8.4 V)
(12.6 V)
(4.2 V)
V
T1
V
T2
V
T3
0.00
1.00
2.05
3.10
0.20
1.20
2.30
3.30
5
V
V
V
V
μ
A
Defaults to 1 Li-Ion Cell
I
B
1.5
A/B SELECT MUX
Select Battery BATB
Select Battery BATA
A/B Input Current
BATA or BATB Input Resistance
BATA or BATB Input Current
BATA or BATB Shutdown Current Part in Shutdown
V
IH
V
IL
I
IN
R
IN
I
BA
, I
BB
I
BA
, I
BB
2.0
V
V
μ
A
k
μ
A
μ
A
0.8
1
0.02
265
0.2
0.2
Channel Selected
Channel Not Selected
185
1
1
BATTERY ADJUST INPUT
2
(ADJ)
% of Final Battery Voltage
% of Final Battery Voltage
ADJ Disable Voltage Threshold
ADJ Bias Current
ADJ = 1.0 V, –10
°
C
≤
T
A
≤
+70
°
C
ADJ = 2.3 V, –10
°
C
≤
T
A
≤
+70
°
C
0% Change
1.0 V
≤
ADJ
≤
2.3 V
89
109
90
110
2.475
10
91
111
2.6
100
%
%
V
nA
I
B
OVERVOLTAGE COMPARATOR
Trip Point
Response Time
Percent Above V
BAT
DRV Goes High
8
2
%
μ
s
tr
OSCILLATOR
200 kHz Option
500 kHz Option
0% Duty Cycle Threshold
100% Duty Cycle Threshold
(ADP3801)
(ADP3802)
@ COMP Pin
@ COMP Pin
f
OSC
f
OSC
150
375
200
500
1.0
2.0
250
625
kHz
kHz
V
V
GATE DRIVE
Rise Time
Fall Time
Output High Saturation Voltage
Output Low Voltage
C
L
= 1 nF, VCC – 4 V to 90%
C
L
= 1 nF, 90% to VCC – 4 V
VCC – V
DRV
VCC = 8 V
VCC > 8 V
t
r
t
f
V
OH
V
OL
V
OL
35
75
275
2.0
ns
ns
mV
V
V
1.0
VCC – 7 VCC – 6
CURRENT SENSE AMPLIFIER
Input Common-mode Range
Input Differential Mode Range
Input Offset Voltage
4
Input Bias Current
Input Offset Current
Over Current Trip Point
Response Time
V
CS+
and V
CS–
V
CS3
0.0 V
≤
V
CSCM
≤
VCC – 2 V
0.0 V
≤
V
CSCM
≤
VCC – 2 V
0.0 V
≤
V
CSCM
≤
VCC – 2 V
V
CS3
DRV Goes High
V
CSCM
V
CSDM
V
CSVOS
V
CSIB
V
CSIOS
0.0
0.0
VCC – 2
185
V
mV
mV
μ
A
μ
A
mV
μ
s
1
0.3
0.01
185
2
1
0.15
tr
ISET INPUT
Charge Current Programming
Function
Programming Function Accuracy
0.0 V
≤
V
ISET
≤
1.65 V
V
ISET
= 1.65 V, –10
°
C
≤
T
A
≤
+70
°
C
V
ISET
= 0.10 V, –10
°
C
≤
T
A
≤
+70
°
C
0.0 V
≤
V
ISET
≤
1.65 V
V
CS
/V
ISET3
0.1
±
1.0
±
10
15
V/V
%
%
nA
–5
–25
+5
+25
100
ISET Bias Current
I
B
(@ –40
8
C
≤
T
A
≤
+85
8
C, VCC = 10.0 V, unless otherwise noted)
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