參數(shù)資料
型號(hào)： TPS60151DRVR
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： 0.5 A SWITCHED CAPACITOR REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO6
封裝： 2 X 2 MM, 0.80 MM HEIGHT, GREEN, PLASTIC, SON-6
文件頁(yè)數(shù)： 4/22頁(yè)
文件大?。?/td> 1664K
代理商： TPS60151DRVR
OVER CURRENT PROTECTION AND SHORT CIRCUIT PROTECTION
R3
VR3
M5
VIN
1 : k
1 : n
IR3
Ip
vbias
Vmax
M9
M10
M7
M3
M11
OUTPUT REVERSE CURRENT PROTECTION
CP-
VIN
VOUT
GND
CP+
ENA
Ireverse
ENABLE
/DISABLE
C2
1 F
m
C1
2.2 F
m
C3
2.2 F
m
Vpre_bias
VIN
SLVSA02 – SEPTEMBER 2009 ......................................................................................................................................................................................... www.ti.com
The TPS60151 has internal short circuit protection to protect the IC when the output is over loaded or shorted to
ground. Figure 25 illustrates the protection circuit. IP is directly related to IO and the maximum IP is clamped by
IR3*k*n. The TPS60151 ensures a current limit of 500mA or less which is mandated by the HDMI electrical
specification. To further avoid damage when output is shorted to ground, the short circuit protection circuitry
senses the output voltage and adjusts Vbias down to clamp the maximum output current to a lower value – 80mA
(typ).
Figure 25. Current Limit
Applications like HDMI or USB OTG generally do not tolerate output reverse current that can drain power from
connected devices. Special considerations were put in place to prevent that from happening. Figure 26 is a
testing circuit; and, Figure 27 shows reverse current protection test results under various conditions.
Figure 26. Output Reverse Current Test Setup
12
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s) :TPS60151
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS60151DRVT 功能描述:電荷泵 140mA,5V Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
TPS60151EVM-359 功能描述:電源管理IC開(kāi)發(fā)工具 TPS60151 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS601A 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:PHOTOELECTRIC COUNTER POSITION DETECTION VARIOUS KINDS OF READERS
TPS601A(F) 制造商:Toshiba 功能描述:Bulk
TPS601A-A 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:PHOTOTRANSISTOR | NPN | 800NM PEAK WAVELENGTH | 50M | CAN-4.6
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