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LP3921 Datenblatt(PDF) 17 Page - Texas Instruments

Teilenummer LP3921
Bauteilbeschribung  LP3921 Battery Charger Management and Regulator Unit with Integrated Boomer™ Audio Amplifier
PDF  44 Pages
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Hersteller  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LP3921 Datenblatt(HTML) 17 Page - Texas Instruments

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LP3921
www.ti.com
SNVS580A – AUGUST 2008 – REVISED MAY 2013
Table 3. Control Registers(1)
Register
Addr
(default
D7
D6
D5
D4
D3
D2
D1
D0
value)
OP_EN
8h'00
X
X
X
X
LDO7_EN
LDO3_EN
X
LDO1_EN
(0000 0101)
LDO1PGM
8h'01
O/P
X
X
X
X
V1_OP[3]
V1_OP[2]
V1_OP[1]
V1_OP[0]
(0000 0001)
LDO2PGM
8h'02
O/P
X
X
X
X
V2_OP[3]
V2_OP[2]
V2_OP[1]
V2_OP[0]
(0000 1011)
LDO3PGM
8h'03
O/P
X
X
X
X
V3_OP[3]
V3_OP[2]
V3_OP[1]
V3_OP[0]
(0000 1011)
LDO4PGM
8h'04
O/P
X
X
X
X
V4_OP[3]
V4_OP[2]
V4_OP[1]
V4_OP[0]
(0000 1011)
LDO5PGM
8h'05
O/P
X
X
X
X
V5_OP[3]
V5_OP[2]
V5_OP[1]
V5_OP[0]
(0000 1011)
LDO6PGM
8h'06
O/P
X
X
X
X
V6_OP[3]
V6_OP[2]
V6_OP[1]
V6_OP[0]
(0000 1011)
LDO7PGM
8h'07
O/P
X
X
X
X
V7_OP[3]
V7_OP[2]
V7_OP[1]
V7_OP[0]
(0000 1011)
STATUS
PWR_ON_
HF_PWR_
CHG_IN_
8h'0C
X
X
X
X
X
(0000 0000)
TRIB
TRIG
TRIG
CHGCNTL1
USBMODE
CHGMODE
TOUT_
8h'10
Force EOC
EN_Tout
En_EOC
X
EN_CHG
(0000 1001)
_EN
_EN
doubling
CHGCNTL2
Prog_
Prog_
Prog_
Prog_
Prog_
8h'11
X
X
X
(0000 0001)
ICHG[4]
ICHG[3]
ICHG[2]
ICHG[1]
ICHG[0]
CHGCNTL3
Prog_
Prog_
Prog_
Prog_
8h'12
X
X
VTERM[1]
VTERM[0]
(0001 0010)
EOC[1]
EOC[0]
VRSTRT[1]
VRSTRT[0]
Batt_Over_
CHGIN_
Tout_
Tout_
8h'13
CHGSTATUS1
EOC
LDO Mode
Fullrate
PRECHG
Out
OK_Out
Fullrate
Prechg
Tout_
8h'14
CHGSTATUS2
X
X
X
X
X
X
Bad_Batt
ConstV
8h'19
Audio_Amp
X
X
X
X
X
X
X
amp_en
APU_TSD_
PS_HOLD
8h'1C
MISC Control1
X
X
X
X
X
X
EN
_DELAY
(1)
X = Not used
Bold type = Bits are read-only type
Codes other than those shown in the table are disallowed.
Copyright © 2008–2013, Texas Instruments Incorporated
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