參數(shù)資料
型號： SAA1502ATS
廠商： NXP SEMICONDUCTORS
元件分類： 電源管理
英文描述： Safety IC for Li-ion
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝： 5.30 MM, PLASTIC, MO-150AC, SOT-338-1, SSOP-16
文件頁數(shù)： 11/20頁
文件大?。?/td> 108K
代理商： SAA1502ATS
1998 Jan 15
11
Philips Semiconductors
Preliminary specification
Safety IC for Li-ion
SAA1502ATS
CHARACTERISTICS
T
j
= 25
°
C; all voltages with respect to V
SS2
; positive currents flow into the IC.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply behaviour
V
CC
I
CC
I
q
positive battery sense input voltage
supply current
quiescent current
0
4.0
0.03
7.0
0.1
4.5
10
0.3
V
μ
A
μ
A
V
CC
= 4.0 V;
13.5 V
≤
V
VM
≤
0
Power-down/reset mode
(V
CC
= 2.0 V)
at zero charge
V
CC
V
VM
minimum charge voltage
1.8
2.4
3.0
V
Voltage detection
V
ec(det)
excess charge detection voltage
measured at terminals of the
battery and T
j
= 25
°
C
measured at terminals of the
battery and T
j
=
5 to +55
°
C
C
ext
not connected
C
ext
= 33 nF (
±
10%)
4.15
4.18
4.20
V
4.145
4.18
4.21
V
t
ec(det)
excess charge delay time V
ec(det)
20
0.5
3.82
25
2.2
20
3.3
25
0.05
150
0.05
7
40
1.25
3.95
50
2.3
40
3.6
50
1.5
280
1.5
12
60
2
4.08
75
2.4
60
3.9
75
37.5
475
37.5
20
ms
s
V
ms
V
ms
V
ms
mA
mA
mA
mV
V
ec(rel)
t
ec(rel)
V
ed(det)
t
ed(det)
V
ed(rel)
t
ed(rel)
I
VSS
VM
(dis)charge current detection
excess charge release voltage
excess charge delay time V
ec(rel)
excess discharge detection voltage
excess discharge delay time V
ed(det)
excess discharge release voltage
excess discharge delay time V
ed(rel)
charge inhibit state
discharge enable state
discharge inhibit state
discharge inhibit state;
no charge current
current protection mode
no load detection
no charger detection
Power-down mode
start of reset mode
excess of reset mode
V
CC
= 4.0 V
V
CC
= 4.0 V
V
VM
negative sense input voltage
70
7
2.4
1.7
2.05
90
12
3.0
1.9
2.25
100
100
120
20
3.6
2.1
2.45
mV
mV
V
V
V
μ
s
μ
s
V
CC
V
VM
V
CC
charge present detection voltage
positive battery sense input voltage
t
d(on)
t
d(off)
switch-on delay time SW1/SW2
switch-off delay time SW1/SW2
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