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STBC21 数据表(PDF) 11 Page - STMicroelectronics

部件名 STBC21
功能描述  LI battery charger with thermal regulation
PDF  54 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STBC21 数据表(HTML) 11 Page - STMicroelectronics

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STBC21
Electrical characteristics
Doc ID 023256 Rev 1
11/54
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VCC_OK
Charging start threshold –
VCC undervoltage alarm (VCC_UVLO)
±5%
2.66
2.8
2.94
V
VCC_ASD
VCC-VBAT threshold
125
mV
VCC_OVP
VCC overvoltage protection
8.55
9.0
9.45
V
IODROP_QP Quasi-pulse VCC-VBAT drop
IBAT=100 mA, IBAT=1.0A
0.35
V
V0V_HD
0V-charge threshold
±5%
1
V
VPRE_CH
Pre-charge to fast-charge voltage
threshold
VCC = 5.0 V
3.0
V
ΔV
FLT
Float voltage range tolerance
VFLT = 4.2 V, IBAT =1 mA
TJ = -10 °C to 85 °C
-0.7
0.7
%
VFLT_OVP
Float voltage OVP
5.0 V < VCC < 9.0 V
TBAT = 0 °C to 60 °C
IBAT = 1.0 mA
TIMER-3 = 60 min.
4.21
4.23
4.25
V
VCC_QP
Quasi-pulse minimum supply voltage
in pre-charge phase
3.1
V
VBAT_QP
Minimum battery voltage to start
quasi-pulse mode
2.8
V
VRECH
Battery recharge threshold voltage
5.0 V < VCC < 9.0 V
3.9
V
VTEMP_UN
NTC voltage threshold
for battery unconnected
±2%
2.425
V
VTEMP_OT
NTC voltage threshold
for battery overtemperature
±2%
0.505
V
VREF
Reference voltage for NTC /
LED drive voltage
±5%
2.9
V
RDS-ON
Power MOS saturation resistance
0 °C < TJ < 85 °C
300
m
Ω
TRECH
Battery recharge deglitching time
VCC = 5.0 V
100
ms
TFULL
Full charge detection deglitching time
(after termination)
VCC = 5.0 V – TIMER-3
= 0
100
ms
THV
Battery overvoltage detection
deglitching time
VCC = 5.0 V
100
ms
THl
Overcurrent detection deglitching
time
VCC = 5.0 V
100
ms
THOLD_OFF
Deglitching time on VCC to start
charging (VCC=3.0 V)
VBAT = 2.8 V
10
ms
TBAT_HOT
Battery hot detection deglitching time VCC = 5.0 V
10
ms
TBAT_CON
Battery connection detection
deglitching time
VCC = 5.0 V
400
ms
TBAT_TLO
Battery TLO temperature detection
deglitching time
VCC = 5.0 V
100
ms
Table 6.
Electrical characteristics (DC) (continued)



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