參數(shù)資料
型號: TPS2481PW
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PDSO20
封裝: GREEN, PLASTIC, TSSOP-20
文件頁數(shù): 40/56頁
文件大小: 1381K
代理商: TPS2481PW
www.ti.com
SLUS939B – APRIL 2010 – REVISED DECEMBER 2010
Register Details
All TPS2480/81 16-bit registers are actually two 8-bit registers.
Configuration Register 00h (Read/Write)
BIT #
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
BIT
RST
BRNG
PG1
PG0
BADC4
BADC3
BADC2
BADC1
SADC4
SADC3
SADC2
SADC1
MODE3
MODE2
MODE1
NAME
POR
0
1
0
1
0
1
VALUE
Bit Descriptions
RST:
Reset Bit
Bit 15
Setting this bit to '1' generates a system reset that is the same as power-on reset. Resets all registers to default
values; this bit self-clears.
BRNG:
Bus Voltage Range
Bit 13
0 = 16-V FSR
1 = 32-V FSR (default value)
PG:
PGA (Shunt Voltage Only)
Bits 11, 12
Sets PGA gain and range. Note that the PGA defaults to ÷8 (320-mV range). Table 5 shows the gain and range for
the various product gain settings.
Table 5. PG Bit Settings(1)
PG1
PG0
GAIN
RANGE
0
1
±40 mV
0
1
÷2
±80 mV
1
0
÷4
±160 mV
1
÷8
±320 mV
(1)
Shaded values are default.
BADC:
BADC Bus ADC Resolution/Averaging
Bits 7–10
These bits adjust the Bus ADC resolution (9-, 10-, 11-, or 12-bit) or set the number of samples used when
averaging results for the Bus Voltage Register (02h).
Copyright 2010, Texas Instruments Incorporated
45
Product Folder Link(s): TPS2480 TPS2481
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