參數(shù)資料
型號(hào)： SC802EVB
廠商： Semtech Corporation
英文描述： Fully Integrated Lithium-Ion Battery Charger System with Timer
中文描述： 完全集成的鋰離子電池充電器系統(tǒng)的計(jì)時(shí)器
文件頁數(shù)： 3/16頁
文件大?。?/td> 484K
代理商： SC802EVB
3
2005 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless otherwise noted: VCC = 4.75V - 5.25V
SC802/SC802A
SC802A Termination Current
I
TERMQA
SC802A Rterm = 976
Confidential Proprietary
Parameter
Symbol
Conditions
25
o
C
T
(-40
o
C to +85
o
C)
Units
Min
Typ
Max
Min
Max
Battery Leakage Current
(Vout and BSEN)
ILeak
BAT
VCC = 0V,
VOUT = BSEN = 4.5V
0.1
2
μA
Regulated Voltage
V
BAT2
V
BAT1
VPRGM = Logic High
VPRGM = Logic Low
4.20
4.10
4.16
4.06
4.24
4.14
V
Adjust Mode Feedback
Voltage
V
ADJMF
VPRGM = External Divider
VCC = 4.2V - 6.5V
3.0
V
Adj Mode VPRGM Shunt
Resistance
R
VPGMSH
Adjust Mode
V
VPRGM
= 0.1V
1
0.5
5
k
REFGND Output Accuracy
Vout = Voutnom + Drefgnd
V
REFGND
Refgnd - Agnd = 30mV
30
22
38
mV
REFGND Current
I
REFGND
Refgnd = 0V
35
μA
SC802 Pre-Charge Current
I
PREQ
SC802 Rterm = 3.01k
82
74
90
mA
SC802 Termination Current
I
TERMQ
SC802 Rterm = 3.01k
42
35.5
49.5
mA
SC802 Fast-Charge Current
I
FastQ
IPRGM = 3.01k
VBATTERY = 3.8V
500
450
550
mA
SC802 AFC DAC Fast-Charge
Current
I
DACADJ
IPRGM = 3.01k
V(AFC) = 0.75V
240
200
280
mA
SC802A Pre-Charge Current
I
PREQA
SC802A Rterm = 976
145
135
160
mA
145
135
160
mA
SC802A Fast-Charge Current
I
FastQA
IPRGM = 1.78k
VBATTERY = 3.8V
Rterm = 976
800
740
860
mA
SC802A AFC DAC Fast-
Charge Current
I
DACADJA
IPRGM = 1.78k
V
= 0.75V
VBATTERY = 3.8V
Rterm = 976
367
310
430
mA
I
PROG
Regulated Voltage
V
IPRGM
1.5
1.4
1.6
V
Adjust Mode Threshold
Voltage
VT
ADJM
Vout - BSEN Voltage
250
50
420
mV
V
BAT
Precharge Threshold
VT
PreQ
2.8
2.7
2.9
V
V
BAT
Recharge Threshold
VT
ReQ
VBAT - VBATTERY
100
70
140
mV
Over Temperature Shutdown
TP
OT
Hysteresis = 10°C
150
°C
相關(guān)PDF資料
PDF描述
SC802IMLTR Fully Integrated Lithium-Ion Battery Charger System with Timer
SC802IMLTRT Fully Integrated Lithium-Ion Battery Charger System with Timer
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SC803IMLTR Fully Integrated High Current Lithium-Ion Battery Charger System
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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