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UCD3138064ARGCR.A Folha de dados(PDF) 1 Page - Texas Instruments |
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UCD3138064ARGCR.A Folha de dados(HTML) 1 Page - Texas Instruments |
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1 / 84 page  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. UCD3138064A SLUSCA5B – DECEMBER 2015 – REVISED JANUARY 2017 UCD3138064A Highly Integrated Digital Controller for Isolated Power 1 Device Overview 1 1.1 Features 1 • 64 kB Program Flash Derivative of UCD3138 Family – 2-32 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) – Pin-to-Pin Compatible with UCD3138 (SLUSAP2B) • Digital Control of up to 3 Independent Feedback Loops – Dedicated PID Based Hardware – 2-pole/2-zero Configurable – Non-Linear Control • Soft Start / Stop with and without Prebias • Fast Input Voltage Feed Forward Hardware • Synchronous Rectifier Dead Time Optimization Peripheral to Use with UCD7138 Synchronous Rectifier Driver • Up to 16 MHz Error A/D Converter (EADC) – Configurable Resolution as Small as 1 mV/LSB – Up to 8x Oversampling – Hardware Based Averaging (Up to 8x) – 14 bit Effective DAC With 4 Bits of Dither – Adaptive Trigger Positioning • 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 Between Outputs – Adjustable Dead-band Between Pairs – Cycle-by-Cycle Duty Cycle Matching – Up to 2 MHz Switching Frequency • Configurable Trailing/Leading/Triangular Modulation • 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 – Frequency Modulation and Phase Shift Modulation • High Efficiency and Light Load Management – Burst Mode – Ideal Diode Emulation – Synchronous Rectifier Soft On/Off – Low Device Standby Power • Primary Side Voltage Sensing • Flux and Phase Current Balancing • 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 UCD3138064A Devices • 14 channel, 12 bit, 267 ksps General Purpose ADC with Integrated – Programmable Averaging Filters – Dual Sample and Hold • 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 – 4 kB Data RAM – 8 kB Boot ROM – Firmware Boot-Load in the Field via I2C or UART • Communication Peripherals – 1 - I2C/PMBus, 1 - I2C (master mode only) – 2 - UARTs – 1 - SPI • UART Auto-baud Rate Adjustment • Timer Capture with Selectable Input Pins • Built In Watchdog: BOD and POR • 64-pin QFN and 48-pin QFN Packages • Operating Temperature: –40°C to +125°C • Debug interface – Code Composer StudioTM with JTAG Interface – Fusion Digital PowerTM Designer GUI Support |
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Descrição semelhante - UCD3138064ARGCR.A |
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