Texas Instruments UCD3138064x高度集成式数字控制器
Texas Instruments UCD3138064x 高度集成式数字控制器在单芯片解决方案中提供卓越的集成等级和性能。UCD3138x 具有 64kB 程序闪存，还有额外的通信选择，如 SPI 和第二个 I2C 端口。两个 32kB 闪存组灵活地实现 器件中固件的双图像，从其中任一组执行。该特性还允许处理器加载并执行新程序，而不中断电力输送。
特性
- 64kB program flash derivative of UCD3138 family
- 2x 32kB program flash memory banks
- Supports execution from one bank while programming another
- Capability to update firmware without shutting down the power supply
- Additional communication ports compared to the UCD3138 (1x SPI, 1x I2C)
- Digital control of up to 3 independent feedback loops
- Dedicated PID based hardware
- 2-pole/2-zero configurable with non-linear control
- Up to 16MHz Error A/D Converter (EADC)
- Configurable resolution (Minimum 1mV/LSB)
- Up to 8x oversampling and adaptive trigger positioning
- Hardware-based averaging (Up to 8x)
- 14bit effective DAC
- Up to 8 High-Resolution Digital Pulse Width Modulated (DPWM) Outputs
- 250ps pulse width resolution
- 4ns frequency and phase resolution
- Adjustable phase shift and dead-bands
- Cycle-by-cycle duty cycle matching
- Up to 2MHz switching frequency
- Configurable trailing/leading/triangular modulation
- Configurable feedback control
- Voltage, average current, and peak current mode control
- Constant current and 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/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
- 7x Analog / 4x digital comparators
- Cycle-by-cycle current limiting
- Programmable blanking time and fault counting
- External fault inputs
- Synchronization of DPWM waveforms between multiple UCD3138064x devices
- Up to 15 channel, 12bit, 267ksps general-purpose ADC with integrated programmable averaging filters, dual sample, and hold
- Internal temperature sensor
- Fully programmable high-performance 31.25MHz
- 32-bit ARM7TDMI-S processor
- 64kB program flash (2x 32kB Banks)
- 2kB data flash with ECC
- 4kB data RAM
- 8kB boot ROM enables firmware boot-load
- Communication peripherals
- 1x I2C/PMBus, 1x I2C (master mode only)
- 2x UARTs
- 1x 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
应用
- Power supplies and telecom rectifiers
- Power factor correction
- Isolated DC-DC modules
Datasheets
视频
Related Development Tool
Texas Instruments UCD3138064AEVM149 转换器控制卡评估模块 (EVM)
用作 UCD3138ARGC 和 UCD3138064ARGC 数字电源应用的控制卡。
发布日期: 2016-11-02
| 更新日期: 2022-03-11