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TPS658620ZQZT датащи(PDF) 40 Page - Texas Instruments

номер детали TPS658620ZQZT
подробное описание детали  Advanced Power Management Unit
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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3.23 CHARGER RAM REGISTERS
TPS658620
Advanced Power Management Unit
SLVS993 – OCTOBER 2009
www.ti.com
The charger has control bits that enable user configuration of multiple charger parameters, as shown
below:
Table 3-7. Charger control
CHG1 [Addr 0x49]
Defaults in BOLD
Bit Number
B7
B6
B5
B4
B3
B2
B1
B0
Bit Name
CHGTMR[1]
CHTMR[0]
BATDCH
TSON
ISET[1]
ISET[0]
TERMOFF
CHSUSP
BATTERY
THERMISTOR
CHARGE
CHARGE CURRENT SCALING
SUSPEND
Function
CHARGE SAFETY TIMER VALUE
DISCHARGE
BIAS
TERMINATION
FACTOR
CHARGE
SWITCH
CONTROL
STATE
NOT
When 0
OFF
OFF
TERM ON
00 = 4 Hrs 01 = 5 Hrs
00 = 0.25 10 = 0.75
SUSPENDED
10 = 6 Hrs 11 = 8 Hrs
01 = 0.50 11 = 1.00
When 1
ENABLED
ON
TERM OFF
SUSPENDED
CHG2 [Addr 0x4A]
Defaults in BOLD
Bit Number
B7
B6
B5
B4
B3
B2
B1
B0
Bit Name
DTCON
VPCHG
TSBYP
CHTMREN
VCHG[1]
VCHG[0]
CHGON[1]
CHBOOT
CHARGER
DYNAMIC
ENABLE
CHARGE
PRE-CHARGE
CHARGE VOLTAGE
CHARGER
OPERATION
Function
TIMER
CHARGER
SAFETY
VOLTAGE
SELECTION
ON/OFF
DURING
FUNCTION
LDO MODE
TIMER
BOOT
When 0
OFF
2.5V
OFF
OFF
SEE VCHG SETTING TABLE
OFF
SEE CHARGE
ENABLE TABLE
When 1
ON
2.9V
ON
ON
SEE VCHG SETTING TABLE
ON
CHG3 [Addr 0x4B]
Defaults in BOLD
Bit Number
B7
B6
B5
B4
B3
B2
B1
B0
Bit Name
CHGON[0]
SYSDPPM[1]
SYSDPPM[0]
TPCHG
ITERM[1]
ITERM[0]
IPCHG[1]
IPCHG[0]
PRE-CHARGE
CHARGER
SYSTEM POWER PATH DPPM
TERMINATION CURRENT
Function
TIMER
PRE-CHARGE CURRENT FACTOR
ON/OFF
THRESHOLD
FACTOR
SCALING
When 0
30 MIN
SEE CHARGE
00=3.5V 01=3.75V
00=0.04 01=0.10
00=0.04 01=0.1
ENABLE TABLE
10=4.0V 11=4.25V
10=0.15 11=0.20
10=0.15 11=0.2
When 1
60 MIN
Table 3-8. VCHG Settings
RSVD4B4(1)
VCHG[1]
VCHG[0]
CHARGER REGULATION VOLTAGE(1)
0
0
0
4.10
0
0
1
4.15
0
1
0
4.20
0
1
1
3.95
1
0
0
4.30
1
0
1
4.35
1
1
0
4.40
1
1
1
4.45
(1)
The charge voltage range is set by bit RSVD4B4, located on register PPATH1, 0x4C (bit B4)
Table 3-9. Charge Enable Control
SM2
CHGON[1]
CHGON[0]
CHARGER MODE
CHARGER MODE
IN SLEEP
IN NORMAL
OFF
X
X
OFF
OFF
ON
0
0
OFF
OFF
ON
0
1
OFF
OFF
ON
1
0
ON
OFF
ON
1
1
ON
ON
DETAILED DESCRIPTION
40
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