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LP8727TMX/NOPB Datasheet(PDF) 10 Page - Texas Instruments

Part # LP8727TMX/NOPB
Description  Micro/Mini USB Interface with Integrated 28V Charger
PDF  33 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP8727TMX/NOPB Datasheet(HTML) 10 Page - Texas Instruments

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LP8727
SNVS898A – OCTOBER 2012 – REVISED MAY 2013
www.ti.com
DETAILED REGISTER DESCRIPTIONS
(1)
REGISTER
ADDR
BIT NAME
BIT
POR DEFAULT
DESCRIPTION
NAME
CHIP_REV
[3:0]
xxxx
Chip revision.
0x00
DEVICE ID
VENDOR ID
[7:4]
0011
Texas Instruments vendor ID.
Enable charge pump for analog switch operation.
When CP_EN = 0, input signals to the analog switches
should not go below GND.
CP_EN
0
1
0: Disable
1: Enable
Enable ID detection LDO and internal ADC.
ADC_EN
1
0
0: Disable
1: Enable
Enable ID detection LDO and SEND/END & MR
comparators.
SEMREN
2
0
0: Disable
1: Enable
ID detection LDO voltage setting.
VLDO
3
0
0: 2.3V
0x01
CONTROL1
1: 2.6V
Connect ID detection LDO to ID pin through an internal
200 k
Ω resistor.
ID_200
4
0
0: Disable
1: Enable
Connect ID detection LDO to ID pin through an internal
620
Ω resistor.
ID_620
5
0
0: Disable
1: Enable
Connect ID detection LDO to RES output for
microphone biasing. A 2.2 k
Ω external resistor is
required between RES and ID pins.
ID_2P2
6
0
0: Disable
1: Enable
RESERVED
7
x
Not used.
(1)
Bolded entries are read-only.
10
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Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links: LP8727



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