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Futuretech Components

Part Details for TL331 by Futuretech Components

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TL331 Information

TL331 by Futuretech Components is a Comparator.
Comparators are under the broader part category of Amplifier Circuits.

Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.

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Resources and Additional Insights for TL331

Reference Designs related to TL331

  • Output Short-Circuit Protection Reference Design for the TPS61088 Boost Converter
    This reference design delivers an output short-circuit protection solution for the TPS61088 boost converter. This feature is realized by an over current protection (OCP) circuit. When the output is shorted to ground or the load current is higher than a certain value: the OCP circuit will disconnect the TPS61088 from the load. This solution only requires an additional low-cost comparator: a sense resistor: and a small sized N-MOSFET. With this small amount of additional circuitry: the TPS61088 is protected from being damaged in the output short circuit and over load conditions.
  • 6-12V Input to 1.5V/1.5A Output Reference Design with CC/CV Controls
    The PMP10928 reference design uses the TPS5402 non-synchronous Buck controller along with INA213 current shunt monitor to achieve CC/CV control for an 1.5V/1.5A output from 6-12V input voltage.  +/-5% voltage regulation in CV mode and +/-5% in CC mode is achieved in this design. It is notable that this design allow the output voltage as low as 0.4V in CC mode.
  • Less than 90mW Ultra-low Standby Power Auxless AC-DC Power Supply Reference Design
    The PMP21251 reference design uses UCC28056 CRM/DCM PFC controller and UCC256304 enhanced LLC controller with integrated driver to provide 12V/10.8A output (continuous: 14.4A peak) from universal AC input. This design achieves 92.4% peak efficiency at 115VAC input and 94.0% peak efficiency at 230VAC input. The efficiency and power factor numbers also meet both 115V and 230V internal 80 PLUS gold specifications and DoE level VI requirement. In addition: the design is able to achieve as low as 89mW power consumption at 230VAC input and no load without turning off PFC. 
  • 24V to 12V/3.4A Active Clamp Forward Converter Reference Design with Robust System Protection
    The PMP10861 uses active clamp forward converter for an isolated 24V to 12V/3.4A conversion. Reverse input connection: output over-current protection: output over-voltage protection: input inrush current limiting circuit are integrated in this board. With wide 9-36V input voltage range: over 89.5% peak efficiency is achieved with 24V input voltage. All the components temperature rise are less than 30oC at full load condition.
  • Compact: Non-Isolated 3 Phase Inverter Reference Design for 200-480 VAC Industrial Drives
    This reference design realizes a 3 phase inverter subsystem for variable frequency AC inverter drives and servo drives. This design is particularly suited for drive architectures in which the microcontroller and inverter ground are non-isolated. The basic isolated gate driver UCC5320S is used for driving the high side inverter switches: and the compact: six pin UCC27531 low side gate driver is used for driving the bottom switches. The result is for reinforced isolation to move to the UART communication channel. Inverter half bridge leg current sensing is done in two phases using shunt resistors and the dual operational amplifier TLV9062. This drive architecture results in a reduced number of reinforced isolated channels and enables a cost optimized: compact solution. This design is controlled by a C2000 microcontroller.
  • Low-Line Wide Input LLC Resonant Conv for Consumer Electronics (12V@10A) Reference Design
    The PMP8762 reference design provides a 12V/10A output from a low line-input voltage (100Vac to 132Vac) with a single LLC resonant converter stage. This design is featured with its low circuit cost: low electromagnetic interference (both conduction and radiation): and high efficiency (over 87% @ full load). This design uses the UCC25600 resonant converter controller to control the LLC resonant converter.
  • 250W Single Stage LLC-SRC Converter Reference Design
    The PMP9739 is a single stage LLC series resonant converter (SRC): producing up to a 250W output using UCC25600 resonant controller. With the use of single stage LLC-SRC: the converter efficiency goes up to 89% at 250W full output power.
  • High Efficiency Dual Output 710W LLC Series Resonant Converter Reference Design
    PMP10950 is a high-efficiency LLC power supply reference design converting from 380VDC input to 85V/7A and 12V/9.5A outputs. Over 94% efficiency is achieved at 710W full load and over 93% efficiency at half load.
  • 335W Single Stage LLC-SRC Converter Reference Design
    The PMP10375 reference design is a single stage LLC series resonant converter (SRC): producing up to a 335W output using UCC25600 resonant controller. With the use of single stage LLC-SRC: the converter efficiency goes up to 90% at 335W full output power with 120VAC input.
  • 65W (130W Surge) Flyback Power Supply for Laptop Adapter Apps w/85-265VAC Input Reference Design
    The PMP9208 is a power adapter reference design for 19.5V output: constant voltage / constant current: 65W flyback power supply with 130W surge capability. Primary side regulation eliminates feedback opto-coupler and provides 1% regulation down to no-load. Average efficiency of > 89% and no load power of
  • 400VDCin: 12V@460W: LLC with Synchronous Rectifiers
    The PMP5967 reference design provides a 12V/38A output with over 94% efficiency from a 380VDC input. This design uses the UCC25600 to control the resonant LLC converter. The UCC24610 synchronous rectifier controller is used to control two banks of CSD18501Q5A MOSFETs: eliminating the need for heat sinks on the output rectifiers.
  • Bi-Directional Battery Initialization System Power Board Reference Design
    This reference design is a battery initialization reference design solution for automotive and battery applications. The module enables a high efficiency single stage conversion for charging and discharging the battery. This design features a 0.1% accurate current control loop using the high performance INA225 current sense amplifier. The design was achieved in a compact form factor (40mmX143mmX20mm). 
  • 93% Efficiency: 400-W AC/DC reference design for avionics
    This is a compact: 30-V DC: 400-W reference design for avionics applications: accepting main frequencies between 400 Hz and 800 Hz. This design consists of a front-end: two-phase interleaved transition mode (TM) power factor correction (PFC) based on UCC28064A. This minimizes the PFC inductor size and reduces EMI filter requirements. The DC/DC is implemented by employing HB-LLC stage: using UCC256404. For efficiency improvement: synchronous rectification is used at secondary side with FETs driven by UCC24612.
  • 94.5% Efficiency: 500W industrial AC-DC reference design
    This reference design is a compact: high efficiency: 24-V DC: 500-W reference design for industrial AC/DC power supplies. This design consists of a front-end: two-phase interleaved transition mode (TM) power factor correction (PFC) based on the UCC28064A. This minimizes the PFC inductor size and reduces EMI filter requirements. The DC-DC is implemented using the HB-LLC stage implemented using TI's UCC256301 device. For efficiency improvement: synchronous rectification is used at secondary which uses the UCC24612.
  • Universal input: 430W power tool charger reference design
  • 170W Auxless AC/DC Power Supply Reference Design with 80 PLUS Gold Compatible Performance
    The PMP21098 reference design uses UCC28056 transition mode PFC controller and UCC25630 enhanced LLC controller with integrated driver to provide 12V/10.8A output (continuous: 14.2A peak) from universal AC input. This design achieves 91.8% peak efficiency at 115VAC input and 93.4% peak efficiency at 230VAC input. The efficiency and power factor numbers also meet both 115V and 230V internal 80 PLUS gold specifications. In addition: the design is able to achieve less than 300mW power consumption at no load without turning off PFC.
  • Universal AC DLP Power Supply (10V @ 6A)
    This reference design provides 400W of power from a universal AC input with power factor correction. The UCC28019A controls a PFC boost front end: while the UCC25600 LLC resonant-half bridge converts the PFC output to isolated 40V: 33V: and 27V outputs. The total system efficiency is over 89% with a 230VAC input and over 85% with an 115VAC input.
  • 48V Input 3.3V/30A with Output Pre-bias
    This reference design generates a 3.3V/100W output from a standard 48V telecom input and allows for a pre-biased output. The UCC2897A controls operation of the active clamp power stage. The drive signal for the synchronous rectifiers is sent to the secondary side through an ISO7220 digital isolator. This drive signal is blanked out during startup to allow for a pre-biased output. This design achieves efficiencies over 92% and is built on a standard ¼ brick footprint.
  • USB Type-C PD DFP 5/12/20V3A Output with 2~3 Cell Battery Input Power Bank Reference Design
    PMP40001 is a full featured USB type-C PD DFP reference design. The pure analog configuration for the USB type-C source controller--TPS25740 makes the PD negotiation easy. It supports 3 sets of output voltage options including 5V/12V/20V.  The max output current is 3A which provides a maximal 60W output power @20Vo. This design's total efficiency can achieve 96% at full load by adopting the high performance buck-boost controller--LM5175: which also means a good thermal performance. The valid input voltage range is from 6V to 13.5V which is compatible with the 2S and 3S lithium battery pack.
  • 85VAC-265VAC Input 24V/240W Output 90% Efficient PFC + LLC
    The PMP5141 reference design provides a 24V/10A output with power factor correction from a universal AC input voltage range. This design uses the UCC28051 to control the front end PFC boost stage. The output of the PFC is followed by a UCC25600 LLC resonant half-bridge. The total efficieny: from input to output is over 92% from a 220VAC/50Hz input and over 90% from a 120VAC/60Hz input.
  • 400-W AC/DC reference design for avionics
  • Automotive eCall Power Supply Reference Design with Low Intermediate Voltage
    This reference design includes a complete power management solution for a standalone emergency call (eCall) system in an automotive environment. The circuit is supplied directly from the car battery rail. It also manages a backup battery to power the eCall system while the car battery rail is not available. It includes power path management which routes the available power rail directly to four DC/DC converters which are supplying the required functional blocks of the eCall system. The solution is optimized to operate at maximum efficiency while powered from the backup battery.
  • Automotive eCall Power Supply Reference Design with High Intermediate Voltage
    This reference design includes a complete power management solution for a standalone emergency call (eCall) system in an automotive environment. The circuit is supplied directly from the car battery rail. It also manages a backup battery to power the eCall system while the car battery rail is not available. It includes power path management which routes the available power rail directly to four DC/DC converters which are supplying the required functional blocks of the eCall system. The solution is optimized to operate at maximum efficiency while powered from the backup battery.
  • Two-phase interleaved boost converter  reference design for Class-H audio amplifiers

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