Texas Instruments UCD3138064x Hochintegrierte Digital-Controller
Die UCD3138064x hochintegrierten Digital-Controller von Texas Instruments bieten übergeordnete Ebenen der Integration und Leistung in einer Einzelchip-Lösung. Die UCD3138x bieten 64kB Programm-Flash-Speicher und zusätzliche Optionen für die Kommunikation, beispielsweise einen SPI- und einen zweiten I2C-Anschluss. Zwei 32-kB-Bänke ermöglichen Dual-Bilder der Firmware auf dem Gerät mit der Flexibilität, von beiden Banken auszuführen. Diese Funktion ermöglicht dem Prozessor, ein neues Programm ohne Unterbrechung der Stromlieferung zu laden und anschließend auszuführen.
Merkmale
- 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
Applikationen
- Power supplies and telecom rectifiers
- Power factor correction
- Isolated DC-DC modules
Datasheets
Videos
Related Development Tool
Texas Instruments UCD3138064AEVM149 EVM für Wandler-Kontrollkarten
Fungiert als Kontrollkarte für UCD3138ARGC und UCD3138064ARGC in digitalen Stromversorgungsanwendungen.
Veröffentlichungsdatum: 2016-11-02
| Aktualisiert: 2022-03-11