UCD3138064 Datasheet, PDF (1/91 Pages) Texas Instruments – UCD3138064 Highly Integrated Digital Controller for Isolated Power With 64-kB Program Flash Memory

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UCD3138064
SLUSB72B – MARCH 2013 – REVISED SEPTEMBER 2014
UCD3138064 Highly Integrated Digital Controller for Isolated Power With 64-kB Program
Flash Memory
1 Device Overview
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)
– RGC Package 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
• Up to 16 MHz Error A/D Converter (EADC)
– Configurable Resolution (Min: 1 mV/LSB)
– Up to 8x Oversampling and Adaptive Trigger
Positioning
– Hardware Based Averaging (Up to 8x)
– 14 bit Effective 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
• 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
1.2 Applications
• Power Supplies and Telecom Rectifiers
• Power Factor Correction
– 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
• Flux and Phase Current Balancing for Non-Peak
Current Mode Control Applications
• 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 UCD3138064 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 Enables Firmware Boot-Load
• Communication Peripherals
– 1 - I²C/PMBus, 1 - I²C (master mode only)
– 2 - UARTs
– 1 - SPI
• Timer Capture with Selectable Input Pins
• Built In Watchdog: BOD and POR
• 64-pin QFN, 40-pin QFN, and 48-pin QFN
Packages
• Operating Temperature: –40°C to 125°C
• Fusion Digital Power Designer GUI Support
• Isolated DC-DC Modules
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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.