SC802 SEMTECH [Semtech Corporation], SC802 Datasheet - Page 3

• Manufacturer Part Number: SC802
• Description: Fully Integrated Lithium-Ion Battery Charger System with Timer
• Manufacturer: SEMTECH [Semtech Corporation]

Electrical Characteristics (Cont.)
Unless otherwise noted: VCC = 4.75V - 5.25V
Parameter
Battery Leakage Current
(Vout and BSEN)
Regulated Voltage
Adjust Mode Feedback
Voltage
Adj Mode VPRGM Shunt
Resistance
REFGND Output Accuracy
REFGND Current
I
 2005 Semtech Corp.
POWER MANAGEMENT
Vout = Voutnom + Drefgnd
SC802 Pre-Charge Current
SC802 Termination Current
SC802 Fast-Charge Current
SC802 AFC DAC Fast-Charge
Current
SC802A Pre-Charge Current
SC802A Termination Current
SC802A Fast-Charge Current
SC802A AFC DAC Fast-
Charge Current
Adjust Mode Threshold
Voltage
V
V
Over Temperature Shutdown
PROG
BAT
BAT
Precharge Threshold
Recharge Threshold
Regulated Voltage
R
ILeak
Symbol
V
V
VPGMSH
I
VT
I
I
VT
V
V
I
VT
V
I
DACADJA
REFGND
I
TERMQA
I
TP
REFGND
I
I
DACADJ
TERMQ
PREQA
FastQA
ADJMF
PREQ
FastQ
IPRGM
BAT2
BAT1
ADJM
PreQ
ReQ
OT
BAT
VPRGM = External Divider
SC802 Rterm = 3.01kΩ
SC802 Rterm = 3.01kΩ
SC802A Rterm = 976Ω
SC802A Rterm = 976Ω
Refgnd - Agnd = 30mV
VOUT = BSEN = 4.5V
VPRGM = Logic High
VPRGM = Logic Low
Vout - BSEN Voltage
VCC = 4.2V - 6.5V
Hysteresis = 10°C
VBATTERY = 3.8V
VBATTERY = 3.8V
VBATTERY = 3.8V
VBAT - VBATTERY
IPRGM = 3.01kΩ
IPRGM = 3.01kΩ
IPRGM = 1.78kΩ
IPRGM = 1.78kΩ
V(AFC) = 0.75V
Rterm = 976Ω
Rterm = 976Ω
V
Adjust Mode
Refgnd = 0V
V
VCC = 0V,
VPRGM
Conditions
AFC
Confidential Proprietary
= 0.75V
= 0.1V
3
Min
4.20
4.10
500
800
25
240
145
145
367
250
100
150
Typ
3.0
1.5
2.8
0.1
30
35
82
42
1
o
C
Max
SC802/SC802A
(-40
4.16
4.06
35.5
450
200
135
135
Min
740
310
0.5
1.4
2.7
50
22
70
74
o
C to +85
T
A
www.semtech.com
4.24
4.14
49.5
550
860
430
420
Max
280
160
160
140
1.6
2.9
38
90
2
5
o
C)
Units
mV
mA
mA
mA
mA
mA
mA
mA
mA
mV
mV
µA
kΩ
µA
°C
V
V
V
V