SC805A Datasheet, PDF (3/17 Pages) Semtech Corporation – Miniature Integrated High Current Lithium-Ion Battery Charger

SC805A
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Symbol
Condition
Min
Battery Fast-Charge
Current⁽¹⁾
IFastQ₁
IFastQ₂
IPRGM = 15k
IPRGM = 1.87k
VBATTERY = 3.8V
Dropout Voltage = 500mV
Battery Fast-Charge
Max Current Limit
2.8V < VBATTERY
< VBAT
IProg Regulated
Voltage
V_IPRGM
ITerm Regulated
Voltage
V_ITERM
Vin OVP Rising
Threshold
VT_OVPR
Vin OVP Falling
Theshold
VT_OVPF
Vin OVP Hysteresis
Vin UVLO
Rising Threshold
VT_OVPH
VT_UVLOR
Vin UVLO
Falling Threshold
VT_UVLOF
Vin UVLO
Hysteresis
VT_UVLOH
Vbat Pre-Charge
Threshold
VT_PREQR
Vbat Recharge
Threshold
VT_REQ
VBAT - VBATTERY
Pre-Charge Fault
Time-Out
T_PQFAULT
Rtime = 39.2k
Charge Complete
Time-Out
T_FASTQ
Rtime = 39.2k
Time Disable
Threshold
VT_TIMER
Rtime VIL Voltage
LDO-Mode Select
Threshold
VT_IINTTS
VCC-Rtime Voltage
25°C
Typ
100
787
1.5
1.5
6.8
6.4
375
2.8
2.75
50
2.8
100
38
2.5
1.0
1.1
TA
(-40°C to +85°C)
Units
Max Min
Max
91.5
111.5 mA
-5
+5
%
1.0
A
1.42
1.58
V
1.42
1.58
V
6.4
7.5
V
5.9
7.15
V
150
mV
3.5
V
2.5
3.25
V
30
mV
2.7
2.9
V
60
140
mV
30.7
44.7 min
2.0
3.0
hrs
0.7
V
0.7
V
 2007 Semtech Corp.

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