UCD3138ARMHR

UCD3138ARMHR is a high-reliability, 32-bit ARM-based digital power controller in the UCD313x family. It is designed for real-time control of switching power converters, inverters, and motor drives, providing closed-loop control of power electronics.
Key features (high level):
- Core: 32-bit ARM-based microcontroller for fast, deterministic digital control.
- Peripherals: multiple PWM outputs for switching control, high-resolution timing, multi-channel ADCs, DAC outputs, and comparators for feedback sensing.
- Memory: on‑chip flash and RAM for firmware and data.
- Interfaces: standard peripheral interfaces (eg, SPI, I2C, UART/Sci) for communication and sensors.
- Reliability: automotive/high-rel variant with extended temperature range and safety features (watchdog, brown-out protection) suitable for demanding environments.
Typical use cases: digital control of switch-mode power supplies (SMPS), active power factor correction (PFC), DC-DC converters, inverters, and motor-drive controllers.
Development: supported by common IDEs and Microchip/Unitrode toolchains, with libraries and examples for power-control applications.

Concise features of UCD3138ARMHR (TI Digital Power Controller):
- 32-bit ARM-based microcontroller core tailored for digital power control (HR variant for high reliability)
- Rich PWM subsystem for multi‑phase converters, with dead-time, fault protection, and programmable sequencing
- Multi-channel 12-bit ADCs for voltage/current sensing; DACs available for precise feedback
- Programmable event/timer engine with capture/compare, interrupts, and fault handling
- On-chip memory: Flash and RAM (sized to suit device variant); bootloader support
- Peripherals: SPI, I2C, SCI/UART (serial communications; additional automotive interfaces may be supported on HR variant)
- Fault management and protection features suitable for power and automotive applications
- Automotive-grade/HR options: extended temperature range (-40 to 125°C or similar), reliability features
- Power-management and EMI-friendly design suitable for power electronics use
- Development tools: code development with TI’s Code Composer Studio and library support; evaluation kits available
Note: Exact memory sizes, number of PWM channels, and I/O peripherals vary by specific part variant within the UCD3138ARMHR family. Refer to the datasheet for precise specifications.

UCD3138ARMHR uses a 208-pin LQFP (Thin Quad Flat Pack) RoHS-compliant package.

Pin count: 100 pins (LQFP-100 variant).
Function: ARM-based digital control microcontroller for power electronics. It’s used as a digital controller for switch-mode power supplies and similar systems, with integrated peripherals such as multiple PWM outputs, ADCs, DACs, comparators, timers, and communication interfaces for closed-loop power control.

Manufacturer: Microchip Technology (originally Unitrode; the UCD3138 line is now marketed under Microchip).
What kind of company: A global semiconductor company that designs and manufactures microcontrollers, analog ICs, and related components (including memory and interface devices).

- 开关式电源数字控制（SMPS、PFC、DC-DC）
- 电机驱动与控制（BLDC、PMSM、伺服电机）
- 可再生能源逆变器（光伏并网、储能）
- 不间断电源与储能系统
- 工业自动化与电力电子（通信电源等）
- 高可靠性应用的鲁棒控制与保护