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UCD3138064RJAR

更新时间： 2024-11-05 02:50:03
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
104页 5384K
描述
UCD3138064 Highly Integrated Digital Controller for Isolated Power With 64-kB Program Flash Memory

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UCD3138064RJAR 数据手册

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UCD3138064
SLUSB72D – MARCH 2013 – REVISED APRIL 2021  
UCD3138064 Highly Integrated Digital Controller for Isolated Power With 64-kB  
Program Flash Memory  
– Cycle-by-cycle current limiting  
– Programmable blanking time and fault counting  
– External fault inputs  
Synchronization of DPWM waveforms between  
multiple UCD3138 family devices  
14-channel, 12-bit, 267-ksps general purpose ADC  
with integrated  
– Programmable averaging filters  
– Dual sample and hold  
1 Features  
•
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)  
•
•
Internal temperature sensor  
– RGC and RJA packages pin-to-pin compatible  
with UCD3138 (SLUSAP2B). Section 6.1  
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  
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 bootload  
Communication Peripherals  
– 1 - I2C/PMBus, 1 - I2C (master mode only)  
– 2 - UARTs  
– 1 - SPI  
•
•
•
– 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 and triangular  
modulation  
•
•
•
•
•
Timer capture with selectable input pins  
Built in watchdog: BOD and POR  
64-pin QFN, and 40-pin QFN packages  
Operating temperature: –40°C to 125°C  
Fusion digital power studio GUI support  
•
2 Applications  
•
•
•
Power supplies and telecom rectifiers  
Power factor correction  
Isolated DC-to-DC modules  
•
•
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 and ideal diode emulation  
– Synchronous rectifier soft on and off  
– Low device standby power  
•
•
•
•
•
Primary side voltage sensing  
Flux and phase current balancing for non-peak  
current mode control applications  
Current share  
•
•
Feature rich fault protection options  
– 7 analog and 4 digital domparators,  
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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