參數(shù)資料
型號(hào): TS5USBA43402YZPR
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA20
封裝: 0.50 MM PITCH, DSBGA-20
文件頁(yè)數(shù): 5/23頁(yè)
文件大小: 235K
代理商: TS5USBA43402YZPR
Initialization
Write Reg .03=3 Fh
(DP/DM Open )
Write Reg .01=14h
(2 .6V ,200 K,SEMREN )
Write Reg .02=02h
(CHG _TYP )
IDLE
Wait 250 ms
Write Reg .02=42h
( INT_EN,CHG _TYP)
www.ti.com
SCDS297 – APRIL 2010
Supply Detection
The TS5USBA43402 can be powered by either VSUPPLY or VBUS. The TS5USBA43402 will select VBUS as the
power source when present and otherwise will select VSUPPLY as the power source when VSUPPLY is present and
VBUS is not.
Supply Selection and Shutdown Sequence
VSUPPLY
HANDSET STATUS
MUIC STATUS
POWER SUPPLY
Yes
ON
Active
VSUPPLY
NORMAL CASE
Yes
OFF (S/W off)
Shutdown
Yes
ON
Active
VSUPPLY
SUDDEN POWER LOSS
No
OFF
Shutdown
No
OFF
Shutdown
NO BATTERY
No
ON (VBUS)
Active
VBUS
USB CHARGING
Yes (charging)
ON (VBUS)
Active
VBUS
I2C Controlled Internal Comparator Operation
Internal Comparator Logic Table
I2C CONTROL REGISTER BIT
COMPARATORS
USB_DET_DI
ADC_EN
SEMREN
VBUS
SE
MR
LDO
S
0
ON
OFF
0
1
ON
0
1
0
ON
OFF
ON
0
1
ON
1
0
OFF
1
0
1
ON
1
0
ON
OFF
ON
1
ON
Software Flowchart
Copyright 2010, Texas Instruments Incorporated
13
Product Folder Link(s): TS5USBA43402
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