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UCD3138128A PDF预览

UCD3138128A

更新时间： 2024-09-16 11:11:55
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
85页 2494K
描述
适用于隔离电源的高集成度数字控制器

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UCD3138128A 数据手册

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UCD3138128A  
SLUSC99A –JULY 2016–REVISED JANUARY 2017  
UCD3138128A Highly-Integrated Digital Controller For Isolated Power  
1 Features  
– Constant Current, Constant Power  
•
•
Configurable FM, Phase Shift Modulation and  
PWM  
1
•
128 kB Program Flash Derivative of UCD3138xA  
Family  
Fast, Automatic and Smooth Mode Switching  
–
–
4-32 kB Program Flash Memory Banks  
–
–
Frequency Modulation and PWM  
Phase Shift Modulation and PWM  
Supports Execution From 1 Bank, While  
Programming Another  
–
–
–
Capability to Update Firmware Without  
Shutting Down the Power Supply  
•
High Efficiency and Light Load Management  
–
–
–
Burst Mode and Ideal Diode Emulation  
Synchronous Rectifier Soft On/Off  
Low IC Standby Power  
Additional Communication Ports Compared to  
the UCD3138xA (+1 SPI, +1 I2C)  
Boot Flash Based Dual Memory Image  
Support for ‘On the Fly’ Firmware Updates  
•
•
•
Primary Side Voltage Sensing  
Current Share (Average and Master/Slave)  
Feature Rich Fault Protection Options  
•
•
Synchronous Rectifier Dead Time Optimization  
Peripheral to Use with UCD7138 Synchronous  
Rectifier Driver  
–
–
–
7 Analog / 4 Digital Comparators,  
Cycle-by-Cycle Current Limiting  
Digital Control of up to 3 Independent Feedback  
Loops  
Programmable Blanking Time and Fault  
Counting  
–
–
Dedicated PID Based Hardware  
–
External Fault Inputs  
2-pole/2-zero Configurable, Non-Linear Control  
•
•
Synchronization of DPWM Waveforms Between  
Multiple UCD3138x Devices  
•
•
Up to 16 MSPS Error A/D Converter (EADC)  
–
–
Configurable Resolution (min: 1 mV/LSB)  
15 channel, 12 bit, 539 ksps General Purpose  
ADC  
Up to 8x Oversampling and Adaptive Sample  
Positioning  
•
•
Internal Temperature Sensor  
–
–
Hardware Based Averaging (up to 8x)  
14 bit Effective Reference DAC  
Fully Programmable High-Performance 31.25  
MHz, 32-bit ARM7TDMI-S Processor  
Up to 8 High Resolution Digital Pulse Width  
Modulated (DPWM) Outputs  
–
–
–
–
128 kB Program Flash (4-32 kB Banks)  
2 kB Data Flash with ECC  
–
–
–
–
–
250 ps Pulse Width Resolution  
8 kB Data RAM  
4 ns Frequency and Phase Resolution  
Adjustable Phase Shift and Dead-bands  
Cycle-by-Cycle Duty Cycle Matching  
Up to 2 MHz Switching Frequency  
8 kB Boot ROM Enables Firmware Boot-Load\  
•
Communication Peripherals,  
–
–
2 - I2C/PMBus interfaces  
2 - UARTs, 1 - SPI  
•
Configurable Trailing/Leading/Triangular  
Modulation  
•
•
•
•
•
UART Auto Baud Rate Adjustment  
Timer Capture with Selectable Input Pins  
80-pin QFP Package  
•
•
•
RTC Support  
External Crystal Interface  
Configurable Feedback Control  
Operating Temperature: –40°C to 125°C  
Debug Interface  
–
Voltage, Average Current and Peak Current  
Mode Control  
–
–
Code Composer Studio with JTAG Interface  
Fusion Digital Power Designer GUI Support  
1
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.  
 
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