參數(shù)資料
型號(hào): SC803
廠商: Semtech Corporation
英文描述: Fully Integrated High Current Lithium-Ion Battery Charger System
中文描述: 完全集成的高電流鋰離子電池充電系統(tǒng)
文件頁(yè)數(shù): 13/17頁(yè)
文件大?。?/td> 747K
代理商: SC803
13
2004 Semtech Corp.
www.semtech.com
SC803
POWER MANAGEMENT
State Diagram
Shutdown Mode
Vout/Iout off
CP,STAT,OVP Low
VOUT > 2.8V
Soft Start
Fast Charge Mode
BSEN = CV
Start Pre-Charge
BSEN = CV
VOUT > 2.8V
IOUT < ITERM
Monitor Mode
STAT = Low
Vout off
BSEN
<
CV-200mV
Yes
Yes
Yes
Yes
Yes
Vin > UVLO
Yes
Iout = 1500/Rprog
Iout = 246/Rterm
Start CV Mode
Yes
BIP High
Over Voltage, Under
Voltage, or Over
Temperature will
force the SC803 into
Shutdown Mode from
any state.
En = High
And
T
j
< Over Temp SD
CP Output = High
Charge Mode
STAT=High,
LDO Mode
STAT = High Z,
Iout > 1500/Rprog
LDO Current Limit
Iout = 1500/Rprog
BSEN = CV
Yes
Yes
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