company blog about Recycle TI Real-Time Digital Power MCU:F29H85,F28P65,F28P55,F28E12

Recycle TI Real-Time Digital Power MCU:F29H85,F28P65,F28P55,F28E12

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F29H85: Flagship High-Performance Digital Power Controller

The F29H85 represents the fourth-generation flagship of the C2000 series, employing the new 64-bit C29x VLIW architecture. Targeted at high-end complex power supplies, automotive safety compliance, and industrial high-power energy storage applications, it stands as the most powerful, peripheral-rich, and highest security-rated model among the four chips. It is specifically engineered for power systems requiring multi-topology integration and high reliability.

1. Core Hardware Specifications

- Core Computing Power: Up to 3 cores at 200MHz 64-bit C29x CPU, supporting lockstep redundancy design with equivalent computing power reaching 1440eMHz (comparable to Cortex-M7). Equipped with a 64-bit double-precision FPU + TMU trigonometric accelerator, significantly enhancing execution efficiency for complex power algorithms;

- Memory Configuration: Up to 4MB ECC-corrected flash memory + 452KB ECC RAM, supporting FOTA wireless upgrades and A/B partition firmware switching to meet long-term operation and remote update requirements;

- Analogue peripherals: 5 high-speed ADCs (1.19 MSPS in 16-bit mode, 3.92 MSPS in 12-bit mode), supporting up to 80 analogue channels. Integrated with 21 window comparators, 16 SDFMs, and 6 SENT interfaces for seamless multi-channel synchronous sampling;

- Control peripherals: 36 channels of 75ps ultra-high-resolution HRPWM supporting multi-level topologies, matrix converters, and dual active bridges; 6 configurable logic blocks (CLBs) replace external FPGAs/CPLDs, reducing BOM costs;

- Security and Communication: Hardware compliant with ASIL D/SIL 3 functional safety standards, featuring EVITA-FULL grade HSM hardware security module supporting AES encryption and secure boot; integrated high-speed interfaces including EtherCAT, CAN-FD, and FSI for industrial networking and automotive communication applications.

2. Core Advantages and Application Scenarios

Advantages: Multi-core parallel processing, ultra-high-precision PWM, full functional safety compliance, extensive memory and rich peripherals. Enables a single MCU to manage OBC+DC-DC+host multi-systems with truly isolated functionality. Application Scenarios: EV onboard power supplies (OBC/DC-DC), high-power energy storage converters, industrial high-voltage power supplies, PV grid-connected inverters, automotive powertrain integrated control.

F28P65: Mid-to-High-End All-Rounder for Digital Power Applications

The F28P65 is a best-selling mid-to-high-end model within the C2000 series. Employing the classic 32-bit C28x dual-core architecture with CLA coprocessor, it targets mainstream high-power power supplies, automotive-grade applications, and industrial high-precision control scenarios. Balancing computational power, cost, and reliability, it stands as the preferred flagship chip for high-power digital power development, offering an optimal equilibrium between performance and cost-effectiveness.

1. Core Hardware Specifications

- Core Computing Power: Dual-core 200MHz C28x CPU + 150MHz CLA coprocessor, delivering 600MIPS total processing power. Equipped with 64-bit double-precision FPU + TMU. The independent CLA enables parallel execution of control algorithms without occupying main CPU resources, achieving extremely low closed-loop control latency.

- Memory Configuration: 1.28MB ECC flash memory + 248KB parity RAM, meeting storage demands for complex power algorithms and multi-task control, with support for real-time firmware updates;

- Analogue peripherals: 3x 16-bit high-speed ADCs, up to 40 analogue channels, hardware oversampling up to 128x, 11 window comparators with 12-bit DACs, supporting peak/valley current-mode control;

- Control peripherals: 36x 150ps HRPWMs, supporting minimum dead-time and illegal combination logic protection, compatible with multi-phase inverters and resonant converters; 6 CLB logic blocks supporting custom control logic;

- Safety and Communication: Supports CPU lockstep redundancy meeting functional safety compliance requirements; integrates AES encryption, CAN-FD, EtherCAT, USB, FSI and other interfaces for universal automotive and industrial applications.

2. Core Advantages and Application Scenarios

Advantages: Dual-core heterogeneous architecture, low-latency closed-loop control, high cost-effectiveness, automotive-grade compliance, compatible with wide bandgap devices, supports high switching frequency power supply design. Application Scenarios: New energy vehicle traction inverters, industrial servo power supplies, high-power UPS, PV string inverters, energy storage bidirectional converters, high-voltage charging stations.

(3) F28P55: Mid-range, High-cost-performance Mainstream Power MCU

The F28P55 represents a streamlined and optimised variant of the F28P65. Positioned for mid-range mainstream power applications, it accommodates both low- and high-power requirements while catering to cost-sensitive industrial power scenarios. Retaining core real-time control capabilities while eliminating non-essential peripherals, it significantly reduces costs without compromising performance, making it a highly cost-effective choice for small-to-medium power digital power supplies.

1. Core Hardware Specifications

- Core Computing Power: 150MHz single-core C28x CPU + 150MHz CLA coprocessor, featuring a 32-bit single-precision FPU + TMU. Equivalent computing power benchmarks against a 300MHz Cortex-M7, meeting standard digital power supply algorithm requirements.

- Memory Configuration: Up to 1.1MB flash memory + integrated SRAM, with storage capacity tailored for mid-range power supply control logic, balancing code storage and data caching requirements;

- Analogue Peripherals: 5 high-precision ADCs supporting multi-channel synchronous sampling, integrated with comprehensive comparator and DAC modules to fulfil voltage/current sampling and fault protection needs;

- Control peripherals: Multiple high-resolution HRPWM channels supporting conventional power topology control, with reserved CLB configurable logic for custom fault protection and timing control;

- Communication and security: Integrated universal interfaces including CAN-FD, SPI, and SCI, supporting AES encryption and secure boot to fulfil fundamental security and communication requirements. No redundant high-end communication interfaces to control costs.

2. Core Advantages and Application Scenarios

Advantages: Single-core + CLA architecture, cost-controlled, streamlined yet practical peripherals, low development threshold, compatible with GaN/SiC devices, suitable for medium-to-low switching frequency power supplies. Application Scenarios: Industrial switching power supplies, server power supplies, domestic energy storage inverters, compact charging stations, motor drive power supplies, standard photovoltaic micro-inverters.

F28E12: Entry-Level, Cost-Effective Power Supply MCU

The F28E12 is the entry-level digital power MCU in the C2000 series, targeting low-power, low-cost power supplies, simple topology control, and consumer/light industrial power applications. It prioritises exceptional value for money while retaining core digital power control functions, fulfilling basic closed-loop control and fault protection requirements. It is the preferred choice for low-cost power solutions.

1. Core Hardware Specifications

- Core Computing Power: 160MHz single-core C28x CPU with 32-bit FPU, delivering sufficient baseline processing for simple power algorithms and PID closed-loop control. Features an extremely streamlined architecture without additional coprocessors.

- Memory Configuration: 128KB flash memory + integrated SRAM, providing adequate capacity for basic power control code and fundamental functionality development.

- Analogue peripherals: Integrated high-speed ADC and programmable gain amplifier (PGA) simplify front-end sampling circuits. Built-in comparator modules enable overvoltage and overcurrent protection;

- Control peripherals: Multi-channel basic HRPWM with resolution meeting standard switching power supply requirements. Supports simple PWM timing control and dead-time settings;

- Communication & Packaging: Supports universal low-speed interfaces including SCI, SPI, and I²C. Utilises compact LQFP and VQFN packaging with exceptionally low unit pricing (approximately US$0.50 per thousand units), ideal for space-constrained, cost-sensitive solutions.

2. Core Advantages and Application Scenarios

Advantages: Exceptionally low cost, compact size, minimalist architecture, and straightforward development. Eliminates complex peripheral debugging, making it ideal for standardised low-power applications. Application Scenarios: Power adapters, LED driver power supplies, compact chargers, domestic low-power inverters, simple industrial control power supplies, and low-cost motor driver modules.