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BQ25708 Folha de dados(PDF) 29 Page - Texas Instruments

Nome de Peças BQ25708
Descrição Electrónicos  bq25708 SMBus Multi-Chemistry Battery Buck-Boost Charge Controller With System Power Monitor and Processor Hot Monitor
PDF  77 Pages
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Fabricante Electrônico  TI2 [Texas Instruments]
Página de início  https://www.ti.com
Logo TI2 - Texas Instruments

BQ25708 Folha de dados(HTML) 29 Page - Texas Instruments

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A
B
C
D
E
F
G
H
I
J
K
t
LOW
t
HIGH
SMBCLK
SMBDATA
t
SU:STA
t
t
HD:STA
SU:DAT
HD:DAT
SU:DAT
t
t
t
SU:STO
t
BUF
A = START CONDITION
E = SLAVE PULLS SMBDATA LINE LOW
I = ACKNOWLEDGE CLOCK PULSE
29
bq25708
www.ti.com
SLUSCU2 – NOVEMBER 2017
Product Folder Links: bq25708
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Copyright © 2017, Texas Instruments Incorporated
A = Start condition
G = MSB of data clocked into master
B = MSB of address clocked into slave
H = LSB of data clocked into master
C = LSB of address clocked into slave
I = Acknowledge clock pulse
D = R/W bit clocked into slave
J = Stop condition
E = Slave pulls SMBDATA line low
K = New start condition
F = ACKNOWLEDGE bit clocked into master
Figure 12. SMBus Read Timing
8.6 Register Map
Table 6. Charger Command Summary
SMBus
ADDR
REGISTER NAME
TYPE
DESCRIPTION
LINKS
12h
ChargeOption0()
R/W
Charge Option 0
Go
14h
ChargeCurrent()
R/W
7-bit charge current setting
LSB 64 mA, Range 8128 mA
Go
15h
MaxChargeVoltage()
R/W
11-bit charge voltage setting
LSB 16 mV, Default: 1S-4192mV, 2S-8400mV,
3S-12592mV, 4S-16800mV
Go
30h
ChargeOption1()
R/W
Charge Option 1
Go
31h
ChargeOption2()
R/W
Charge Option 2
Go
32h
ChargeOption3()
R/W
Charge Option 3
Go
33h
ProchotOption0()
R/W
PROCHOT Option 0
Go
34h
ProchotOption1()
R/W
PROCHOT Option 1
Go
35h
ADCOption()
R/W
ADC Option
Go
20h
ChargerStatus()
R
Charger Status
Go
21h
ProchotStatus()
R
Prochot Status
Go
22h
IIN_DPM()
R
7-bit input current limit in use
LSB: 50mA, Range: 50mA-6400mA
Go
23h
ADCVBUS/PSYS()
R
8-bit digital output of input voltage,
8-bit digital output of system power
PSYS: Full range: 3.06V, LSB: 12mV
VBUS: Full range: 3.2V-19.52V, LSB 64mV
Go
24h
ADCIBAT()
R
8-bit digital output of battery charge current,
8-bit digital output of battery discharge current
ICHG: Full range 8.128A, LSB 64mA
IDCHG: Full range: 32.512A, LSB: 256mA
Go



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