TPS61071TDDCRQ1 ,Automotive Catalog Adjustable, 600-mA Switch, 90% Efficient PWM Boost Converter 6-SOT -40 to 105Features 3 DescriptionThe TPS61071-Q1 device provides a power supply1• Qualified for Automotive App ..
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TPS61071TDDCRQ1
Automotive Catalog Adjustable, 600-mA Switch, 90% Efficient PWM Boost Converter 6-SOT -40 to 105
0.9-V to VO C1
10 μF
SW
GND
VOUT
FB
3.3 V up to 100 mA
10 μF R1 R2
TPS61071-Q1
VBAT
4.7 μH
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TPS61071-Q1SLVSAA5A –MAY 2010–REVISED DECEMBER 2015
TPS61071-Q1 90% Efficient Synchronous Boost Converter With 600-mA Switch Features 3 DescriptionThe TPS61071-Q1 device providesa power supply Qualifiedfor Automotive Applications solution for products powered by lower-voltage DC• AEC-Q100 Qualified With the Following Results: rails ora one-cell, two-cell, or three-cell alkaline, Device Temperature Grade2: –40°Cto 105°C NiCd or NiMH, or one-cell Li-ion or Li-polymer
Ambient Operating Temperature Range battery. Output currents can go as high as 75 mA,
while usinga single-cell alkaline, and discharge down– Device HBM Classification Level 1C to 0.9V. The device can also generate5Vat 200 mA– Device CDM Classification Level C6 froma 3.3-V rail ora Li-ion battery. The boost 90% Efficient Synchronous Boost Converter converteris based ona fixed frequency, pulse-width-
modulation (PWM) controller usinga synchronous– 75-mA Output Currentat 3.3V From 0.9-V rectifierto obtain maximum efficiency. The maximumInput peak currentin the boost switchis limited typicallyto– 150-mA Output Currentat 3.3V From 1.8-V a valueof 600 mA.Input
The TPS61071-Q1 output voltageis programmedby• Device Quiescent Current:19 µA (Typical) an external resistor divider. To minimize battery drain,• Input Voltage Range: 0.9Vto 5.5V disable the converter. During shutdown, the load
disconnects from the battery. The device packageis• Adjustable Output Voltage Upto 5.5V 6-pin thin SOT package (DDC).• Power-Save Mode Version Available for
Improved Efficiencyat Low Output Power
Device Information(1) Load Disconnect During Shutdown• Overtemperature Protection Small 6-Pin Thin SOT Package (1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
2 Applications Automotive Power Supplies Boost Power Supplies
Typical Application Circuit
