參數(shù)資料
型號： LP3923TLX-VB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA30
封裝： 3 X 2.50 MM, MICRO SMD-30
文件頁數(shù)： 7/32頁
文件大?。?/td> 1718K
代理商： LP3923TLX-VB
LP3923 Serial Port Communication: Slave Address Code: 7h'7E
Control Registers
Addr
Register
(Default value)*
D7
D6
D5
D4
D3
D2
D1
D0
8h'00
OP_EN1
(01000111)
BUCK_
PWM
EN_
BUCK
X
EN_LDO8
EN_LDO7
EN_LDO2
EN_LDO1
8h'01
LDO1PGM O/P
SEL=BATT
(00001100)
SEL=GND
(00011011)
X
LDO1_
V1_OP[4]
LDO1_
V1_OP[3]
LDO1_
V1_OP[2]
LDO1_
V1_OP[1]
LDO1_
V1_OP[0]
8h'02
LDO2 Program O/P
SEL=BATT
(00001100)
SEL=GND
(00011011)
X
LDO2_
V2_OP[4]
LDO2_
V2_OP[3]
LDO2_
V2_OP[2]
LDO2_
V2_OP[1]
LDO2_
V2_OP[0]
8h'03
LDO3 PGM O/P
(00011011)
X
LDO3_
V3_OP[4]
LDO3_
V3_OP[3]
LDO3_
V3_OP[2]
LDO3_
V3_OP[1]
LDO3_
V3_OP[0]
8h'04
LDO4 PGM O/P
(00011011)
X
LDO4_
V4_OP[4]
LDO4_
V4_OP[3]
LDO4_
V4_OP[2]
LDO4_
V4_OP[1]
LDO4_
V4_OP[0]
8h'05
LDO5 PGM O/P
(00011011)
X
LDO5_
V5_OP[4]
LDO5_
V5_OP[3]
LDO5_
V5_OP[2]
LDO5_
V5_OP[1]
LDO5_
V5_OP[0]
8h'06
LDO6 PGM O/P
(00011011)
X
LDO6_
V6_OP[4]
LDO6_
V6_OP[3]
LDO6_
V6_OP[2]
LDO6_
V6_OP[1]
LDO6_
V6_OP[0]
8h'07
LDO7 PGM O/P
(00011011)
X
LDO7_
V7_OP[4]
LDO7_
V7_OP[3]
LDO7_
V7_OP[2]
LDO7_
V7_OP[1]
LDO7_
V7_OP[0]
8h'08
LDO8 PGM O/P
(00011011)
X
LDO8_
V8_OP[4]
LDO8_
V8_OP[3]
LDO8_
V8_OP[2]
LDO8_
V8_OP[1]
LDO8_
V8_OP[0]
8h'0C
Status1
Trig.-PWR_ON
(10000010)
Trig.-HF_PWR
(01000010)
Trig.-CHG_IN
(00100010)
PWR_ON
TRIG
HF_PWR
TRIG
CHG_IN
TRIG
X
TSD_H
TSD_L
FF
X
8h'10
CHARGER Control 1
(00010 001)
X
Force_
EOC
PROG_
CHGTIME
[1]
PROG_
CHGTIME
[0]
EN_EOC
X
EN_CHG
8h'11
CHARGER Control 2
(00000111)
X
PROG_
ICHG[4]
PROG_
ICHG[3]
PROG_
ICHG[2]
PROG_
ICHG[1]
PROG_
ICHG[0]
8h'12
CHARGER Control 3
(00011001)
X
VTERM
[1]
VTERM[0]
PROG_
EOC[1]
PROG_
EOC[0]
PROG_
VSTRT[1]
PROG_
VSTART[0]
8h'13
CHARGER Status 1
(0000 0000)
BATT_
OVER_OUT
CHGIN_
OK_OUT
EOC
TOUT_
FULLRATE
TOUT_
PRECHG
X
FULLRATE
PRECHG
8h'14
CHARGER Status 2
(00000000)
X
TOUT_
CONSTV
BAD_BATT
8h'1C
MISC Control1
(00000000)
X
EN_
APU_TSD
PS_HOLD_
DELAY
X — Not used.
BOLD
locations are Read Only type.
NOTE: All Control registers apart from Charger Control registers (h'10 — h'12) are reset to default at the end of every Power Down sequence.
15
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LP3923
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