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參數(shù)資料
| 型號： | TPS65166RHAR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC40 |
| 封裝： | 6 X 6 MM, GREEN, PLASTIC, M0-220VJJD-2, QFN-40 |
| 文件頁數(shù)： | 19/45頁 |
| 文件大?。?/td> | 3690K |
| 代理商： | TPS65166RHAR |
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SW5
VIN3
D
S
CurrentMode
Control
Overvoltage
Protection
Shortcircuit
Protection
FB5
SET
TS
Vref/ 2
clamp
2x
Current
Comparator
Error
Amplifier
Current
Limit
P-MOS
Setting the Minimal and Maximal Output Voltage, VOFFE
logic
OFFE_min
V
R21
V
=
1
= 1.65 V
1
, select R21 about 1 M
to achieve good soft-start.
2
R20
-
-
W
÷
÷
è
è
logic
OFFE_min
V
R21
3.3 V
R21
R20 =
=
V
2×V
3.3 V
2
V
-
(22)
OFFE_max
SET
logic
SET
R21
V
= V
V
)
= V
(3.3V
V
)
, VSET is calculated below.
R20
-
-
(23)
OFFE_max
logic
OFFE_max
SET
V
R20 + V
R21
V
R20 + 3.3 V
R21
V
=
R20 + R21
(24)
SET
logic
R17
V
= V
= 3.3 V
, select R17 between 1 k
and 20 k
for good accuracy.
R16 + R17
W
logic
SET
V
3.3V
R16 = R17
1 = R17
1
V
-
-
÷
÷
÷
è
è
(26)
Setting the Start and End Temperature of the Compensation
0
1
B×
T
NTC
T
R
(T) = R
e
-
÷
÷
è
(27)
SLVS976 – SEPTEMBER 2009.......................................................................................................................................................................................... www.ti.com
Figure 28. Buck-Boost Converter Block Diagram
Keep in mind that VOFFE has a negative value, while Vlogic and VSET have positive values:
(21)
(25)
The resistance of a NTC termistor decreases nonlinearly with rising temperature.
Where,
RT0 is the resistance at an absolute temperature T0 in Kelvin (normally 25°C)
T is the temperature in Kelvin (°C + 273.15 K/°C)
B is a material constant
26
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS65166
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS65167ARHAR | 功能描述:其他電源管理 Compact LCD Bias Sply RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| TPS65167ARHARG4 | 功能描述:其他電源管理 Compact LCD Bias Sply RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| TPS65167EVM-277 | 功能描述:電源管理IC開發(fā)工具 TPS65167 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS65167RHAR | 功能描述:其他電源管理 Compact LCD Bias Supply RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| TPS65167RHARG4 | 功能描述:LCD 驅(qū)動器 12V/3.5A(I/O) 4-CH Multi-Converter RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
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