SiRuiPu introduces TPQ5055xQ and TPQ50571Q, two high-efficiency, small-size, easy-to-use non-synchronous boost controllers and converters.
TPQ5055xQ is a controller that supports a wide input voltage range and can be used with MOSFET, IGBT or SiC power tubes, suitable for a wider range of applications; TPQ50571Q integrates a MOSFET with a current capability of up to 5A, which can be used in small size and high power density application scenarios.
TPQ5055xQ Product Features
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Automotive AEC-Q100 Level 1 Certification
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Input voltage range: 2.9V to 45V 1.5A gate drive capability
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Adjustable switching frequency: 100kHz~2.2MHz
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Adjustable Input Undervoltage Lockout (UVLO)
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Adjustable soft start time
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PowerGood output indicator
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Optional Hiccup overload protection mode
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Optional dual frequency jitter function
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Optional QFN 3mmX2mm package with wettable flanks
TPQ50571Q Product Features
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Automotive AEC-Q100 Level 1 Certification
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Input voltage range: 2.9V~45V
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Output voltage range: from input voltage to 48V
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6.2A switch current limit
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Switch on resistance is 39mΩ
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Adjustable switching frequency: 100kHz~2.2MHz
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Adjustable Input Undervoltage Lockout (UVLO)
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Adjustable soft start time
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PowerGood output indicator
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Optional Hiccup overload protection mode
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Optional spread spectrum function
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Optional 3mmX3mm QFN package with wettable flanks
TPQ50571Q 12V boost to 24V efficiency curve
Isolated Auxiliary Power Applications
In applications such as new energy vehicles, energy storage systems , and charging infrastructure, as voltage increases, stable and reliable isolated power supplies become particularly important. For example, in the electric drive system, on-board charger, and on-board DCDC power supply of new energy vehicles, multiple auxiliary power supplies need to be generated from the 12V/24V or 48V on-board system for use by isolated drivers.
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Increase the switching frequency and reduce the size of the transformer;
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Provide protection and diagnostic functions;
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Optimized for electromagnetic interference (EMI);
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Low static power consumption and high efficiency.
High Voltage Backup Power Applications
TPQ50571Q positive and negative power output
In applications such as optical modules and lidar, high-voltage positive and negative power rails are often required. The TPQ50571Q can generate multiple power rails simultaneously.
TPQ50571Q SEPIC Power Supply Application
The SEPIC solution is widely used in the fields of vehicle power supply stabilization and camera power supply due to its advantages of wide input range, complete output shutdown, low EMI, low cost and fixed output voltage.
TPQ50571Q integrates a 5A high-current MOSFET and can be widely used in SEPIC topologies that require a wide input range. It can avoid loop instability and ripple increase caused by mode switching of the Buck-Boost topology within a wide input range.
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