SC802 SEMTECH [Semtech Corporation], SC802 Datasheet - Page 4

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

Unless otherwise noted: VCC = 4.75V - 5.25V
Electrical Characteristics (Cont.)
POWER MANAGEMENT
 2005 Semtech Corp.
Parameter
EN-NTC Thresholds
Internal Timer Select
Ext RTIME Voltage
Pre-Charge Fault Time-out
Complete Charge Time-out
CHRGB Charge LED On
CHRGB Charge LED Off
CPB LED On
CPB LED Off
BIPB, VPRGM Inputs
Timer Disable Threshold
Symbol
VT
VT
VT
VT
VT
T
V
VT
VT
V
T
I
V
CHRGB
QCOMP
VIH
I
VIL
CHRGB
PreQF
RTIME
CPB
NTCDIS
NTCEN
NTHYS
CPB
TIMER
NTCH
NTCC
INTTS
RTIME tied through 36.5kΩ
RTIME tied through 36.5kΩ
RTIME tied through 36.5kΩ
Leakage Current, V = 5V
Leakage Current, V = 5V
V
NTC Cold Vth, VCC = 5V
Hot/Cold Vth hysteresis
NTC Hot Vth, VCC = 5V
NTC Enable, VCC = 5V
RTIME
selects internal timer
VCC-V
RTIME tied to VCC
RTIME tied to VCC
SC802 Disable
Load = 5mA
Load = 5mA
Conditions
< VT
Confidential Proprietary
to GND
to GND
to GND
Timer
RTIME
TIMER
< VT
4
Disables
INTTS
3.62
4.22
84.4
28.2
72.4
1.41
Min
25
3.75
Typ
1.5
4.5
3.3
0.5
0.5
1.5
1.5
<1
30
75
90
50
50
45
3
1
o
C
Max
3.88
4.58
1.59
31.8
91.6
77.6
SC802/SC802A
(-40
-35%
-35%
Min
0.5
1.4
3.6
4.2
0.7
1.4
1.8
28
72
84
o
C to +85
T
A
www.semtech.com
+35%
+35%
Max
1.6
3.9
4.6
0.4
1.1
1.6
32
78
92
1.1
1
1
1
1
o
C)
Units
min
mV
µA
µA
hr
%
%
%
V
V
V
V
V
V
V
V
V
V
V