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UCD3138A64PFC Folha de dados(PDF) 1 Page - Texas Instruments |
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UCD3138A64PFC Folha de dados(HTML) 1 Page - Texas Instruments |
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1 / 84 page  UCD3138A64 UCD3138128 Best in Class Firmware Development Tools Advanced Configuration & Debug Tools Advanced Topology Control + Forward, Flyback, Half- bridge, etc... Q1 Q3 Q2 Q4 VIN n1 LM n2 n2 SR2 SR1 L0 C0 Q1 CR LM LK Q2 VIN Transformer CO Q4 Q3 LR esr Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. UCD3138128, UCD3138A64 SLUSBZ8B – JUNE 2014 – REVISED FEBRUARY 2017 UCD3138128, UCD3138A64 Highly-Integrated Digital Controller For Isolated Power 1 1 Features 1 • 64 kB and 128 kB Program Flash Derivative of UCD3138 Family – 2-32 kB or 4-32 kB Program Flash Memory Banks – Supports Execution From 1 Bank, While Programming Another – Capability to Update Firmware Without Shutting Down the Power Supply – Additional Communication Ports Compared to the UCD3138 (+1 SPI, +1 I2C) – Boot Flash Based Dual Memory Image Support for ‘On the Fly’ Firmware Updates • Digital Control of up to 3 Independent Feedback Loops – Dedicated PID Based Hardware – 2-pole/2-zero Configurable, Non-Linear Control • Up to 16 MSPS Error A/D Converter (EADC) – Configurable Resolution (min: 1mV/LSB) – Up to 8x Oversampling and Adaptive Sample Positioning – Hardware Based Averaging (up to 8x) – 14 bit Effective Reference DAC • Up to 8 High Resolution Digital Pulse Width Modulated (DPWM) Outputs – 250 ps Pulse Width Resolution – 4 ns Frequency and Phase Resolution – Adjustable Phase Shift and Dead-bands – Cycle-by-Cycle Duty Cycle Matching – Up to 2 MHz Switching Frequency • Configurable Trailing/Leading/Triangular Modulation • RTC support • Configurable Feedback Control – Voltage, Average Current and Peak Current Mode Control – Constant Current, Constant Power • Configurable FM, Phase Shift Modulation and PWM • Fast, Automatic and Smooth Mode Switching – Frequency Modulation and PWM – Phase Shift Modulation and PWM • High Efficiency and Light Load Management – Burst Mode & Ideal Diode Emulation – Synchronous Rectifier Soft On/Off – Low IC Standby Power • Primary Side Voltage Sensing • Current Share (Average & Master/Slave) • Feature Rich Fault Protection Options – 7 Analog / 4 Digital Comparators, – Cycle-by-Cycle Current Limiting – Programmable Blanking Time and Fault Counting – External Fault Inputs • Synchronization of DPWM Waveforms Between Multiple UCD3138x Devices • 15 channel, 12 bit, 267 ksps General Purpose ADC • Internal Temperature Sensor • Fully Programmable High-Performance 31.25 MHz, 32-bit ARM7TDMI-S Processor – 64 kB Program Flash (2-32 kB Banks) – 2 kB Data Flash with ECC – 8 kB Data RAM – 4 kB Boot ROM Enables Firmware Boot-Load • Communication Peripherals, – 2 - I2C/PMBus interfaces – 2 - UARTs, 1 - SPI • Timer Capture with Selectable Input Pins • 80-pin QFP Package • Operating Temperature: –40°C to 125°C 2 Applications • Power Supplies and Telecom Rectifiers • Power Factor Correction • Isolated DC-DC Modules • Phase Shifted Full Bridge with Peak Current Mode Control, LLC, HSFB, Forward, etc. Typical Applications and Tools |
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