參數(shù)資料
型號(hào)： TWL2214CA
英文描述： High voltage fast-switching NPN power transistor
中文描述： 電源管理IC和鋰離子電池充電控制
文件頁(yè)數(shù)： 22/36頁(yè)
文件大?。?/td> 511K
代理商： TWL2214CA
/
/
S
–
–
T
–
1
–
9
2
P
charger (continued)
REGISTER
ADDRESS
(HEX)
D7
(MSB)
D6
D5
D4
D3
D2
D1
D0
(LSB)
FCR1
: Function control
1Bh
(R/W)
CHGSTR
0 =
1 = Charger
Start
See Note 7
ADC status
0 = Disable
1 = Enable
See Notes 7
and 8
ADC function
0 = Single
1 = Periodically
See Notes 7
and 8
0
VBOT
1 = Battery
overvoltage
ADBV
0 = Disable
1 = Enable
See Notes 7
and 9
VTS
0 = Disable
1 = Enable
See Notes 7
and 10
ADCIN1
0 = Disable
1 = Enable
See Notes 7
and 10
ADCIN2
0 = Disable
1 = Enable
See Notes 7
and 10
IRQ
0 = IRQ is L
1 = IRQ is H
Default
0
0
0
0
0
0
0
SR:
STATUS register
1Ch
(R)
VEXT
1 = VCCHG in
range
BATERR
1 = Battery
error
CTERM
1 = Charge
current goes
below
termination out
NOCHG
1 = Charge
condition,
reset
CHGSTR to 0.
See Note 11
PCHG
1 = Precharge
mode
CCTO
1 = CC charge
timeout
TCTO
1 = Total
charge time
(CC+CV) out
NOTES:
7. After the TWL2214CA device has finished charging, these values are set to 0.
8. During CHGSTR H, ADC enables and periodically keeps functioning.
9. During charging mode ADVB is enabled automatically.
10. Charging mode is not necessary to set enable for function.
11. External microprocessor must set CHGSTR bit to 0 when NOCHG = 1
regulator, LED, VIBRATOR
REGISTER
ADDRESS
(HEX)
D7
(MSB)
D6
D5
D4
D3
D2
D1
D0
(LSB)
20h
(R/W)
REG2
REG3
FCR2:
Function register 2
0 = Disable
1 = Enable
000 = 3 V
111 = 2.3 V in 100-mV steps
0
REG4
000 = 3 V
101 = 2.5 V in 100-mV steps
0
REG6
000 = 3 V
101 = 2.5 V in 100-mV steps
0
Ringer
0 = Disable
1 = Enable
0
0 = Disable
1 = Enable
000 = 3 V
111 = 2.3 V in 100-mV steps
0
REG5
000 = 3 V
101 = 2.5 V in 100-mV steps
0
Default
0
0
0
0
0
0
FCR3:
Function register 3
21h
(R/W)
0 = Disable
1 = Enable
0 = Disable
1 = Enable
Default
0
0
0
0
0
0
FCR4:
Function register 4
22h
(R/W)
0 = Disable
1 = Enable
See Note 12
Don
’
t care
Default
0
0
0
23h
(R/W)
Vibrator
0 = Disable
1 = Enable
IL2
IL1
IL0
VG3_EN
0 = Disable
1 = Enable
0 See Note 13
FCR5:
Function register 5
0 = Disable
1 = Enable
0 = Disable
1 = Enable
0 = Disable
1 = Enable
Don
’
t care
Default
0
0
0
0
NOTES: 12. CONT = H, REG6 is dependent on D7 to enable. CONT = L, REG6 is independent of D7, always on after power up.
13. VG3_EN = 1, forces VG3 signal to Low. VG3_EN = 0, VG3 signal is at normal condition. Control of this bit is valid only when the adapter is connected.
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