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HT45F5R Datasheet(PDF) 103 Page - Holtek Semiconductor Inc

Part # HT45F5R
Description  Charger ASSP Flash MCU
PDF  138 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F5R Datasheet(HTML) 103 Page - Holtek Semiconductor Inc

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Rev. 1.10
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HT45F5R
Charger ASSP Flash MCU
HT45F5R
Charger ASSP Flash MCU
ADUDA0 Register
Bit
7
6
5
4
3
2
1
0
Na�e
D7
D�
D5
D4
D�
D�
D1
D0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
0
0
0
0
0
0
0
0
Bit7~0
D7~D0:8-bitDAC0OutputControlDataBits
DAC0Output=(DAC0ReferenceVoltage)×(ADUDA0[7:0])/256
ADUDA1 Register
Bit
7
6
5
4
3
2
1
0
Na�e
D7
D�
D5
D4
D�
D�
D1
D0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
0
0
0
0
0
0
0
0
Bit7~0
D7~D0:8-bitDAC1OutputControlDataBits
DAC1Output=(DAC1ReferenceVoltage)×(ADUDA1[7:0])/256
Battery Charge Module
Thedevicecontainsabatterychargemodulewhichconsistsofcircuitryforbatterycharging
constantcurrent(CC)orconstantvoltage(CV)modesaswellasOVPandOCPfunctions.The
constantcurrentsensesignalisfromIsensepinwhiletheconstantvoltagesignalisfromtheVsense
pin.TheOVPorOCPcircuitryusesexternalpins,namedVsense,Isense,andCP0N,todetect10×IS
voltageorVsvoltageandthisoutputvoltageisusedtomodifythedutyoftheCurrentModePWM
controllertocontrolthechargingcurrentandchargingvoltage.
Rectifier/
Filter/
Regulator
10×IS
Vs
SenseIN
Current mode
PWM
controller
DAC
Isense
3V
5V
PGD
A1N
A1X
OPA0
OPA1
OVP
OCP
BAT.
5V
CP0N
Vsense
CH1
CH0
9R
R
HV
MUX
CMP1
CMP0
Battery Charge Module Structure
Note:1.TheinputvoltagerangeofIsenseshouldbelessthan0.36Vat5V.
2.WhentheVsensevoltageisgreaterthan3VandVDDisgreaterthanorequalto4.6V,thentheOVPoutput
ishigh,anOCVPinterruptoccursandtheA1Xpinwilloutputalowlevel.
3.Whenthe10×ISvoltageisgreaterthanCP0NandVDDisgreaterthanorequalto4.6V,theOCPoutputis
high,anOCVPinterruptoccursandtheA1Xpinwilloutputalowlevel.



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