Texas Instruments TMS320F28023PTT

Overview

TMS320F28023PTT from Texas Instruments is a 32-bit C28x-core microcontroller optimized for real-time motor control and digital power applications, operating at 50 MHz (20-ns cycle time), featuring 8 kB flash, 3 kB SARAM, 8 ePWM channels with 4 high-resolution outputs, 7-channel 12-bit ADC (3 MSPS), and integrated comparators with DACs. It targets inverter gate drive, BLDC motor commutation, and AC-DC power stage control.

For engineers reviewing the TMS320F28023PTT datasheet, TMS320F28023PTT pinout, TMS320F28023PTT application, or TMS320F28023PTT equivalent, key selection considerations include its 48-pin LQFP package, 50-MHz CPU timing, HRPWM dual-edge modulation capability, on-chip VREG for single 3.3-V supply operation, and compatibility with TI's InstaSPIN-FOC™ ecosystem for sensorless motor control.

Technical Context

The TMS320F28023PTT implements the C28x CPU core with Harvard architecture, atomic instructions, and unified memory model-enabling deterministic real-time execution in closed-loop control loops. Its peripheral set includes three 32-bit CPU timers, PIE interrupt controller, and dedicated ePWM modules with trip-zone protection for IGBT/MOSFET gate driving.

It integrates analog subsystems including dual comparators with internal 10-bit references, a 12-bit ADC with dual sample-and-hold and ratio-metric reference support (VREFHI/VREFLO), and temperature sensor-all synchronized to PWM events for precise current/voltage sampling in power conversion stages.

Key Specifications

Pinout & Package

Package: 48-pin Low-Profile Quad Flatpack (LQFP), 7.0 mm × 7.0 mm body size, T-grade (–40°C to 105°C).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar real-time control applications.

Compared with TMS320F28026PTT, the TMS320F28023PTT trades CPU speed and memory for lower cost and smaller footprint in cost-sensitive industrial drives; versus TMS320F28023-Q1PTT, it lacks automotive qualification but offers identical functionality for commercial-grade applications.

Availability

TMS320F28023PTT is available at Aetrix Electronics and suitable for inverter & motor control, micro inverter, and industrial AC-DC applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for TMS320F28023PTT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and consumer markets.

The TMS320F28023PTT belongs to TI's C2000™ real-time microcontroller family, designed specifically for closed-loop control in power electronics-emphasizing deterministic timing, analog integration, and motor/power conversion optimization.

FAQ

What is the maximum operating frequency of the TMS320F28023PTT?

The TMS320F28023PTT operates at a maximum CPU frequency of 50 MHz, corresponding to a 20-ns instruction cycle time. This speed is fixed for the TMS320F28023 variant and is confirmed in the device comparison table of SPRS523P. The TMS320F28023PTT does not support 60-MHz operation like the F28026 or F28027 variants. All timing-critical peripherals-including ePWM, ADC, and CPU timers-are synchronized to this 50-MHz SYSCLKOUT.

Does the TMS320F28023PTT include an on-chip voltage regulator?

Yes, the TMS320F28023PTT integrates an on-chip voltage regulator (VREG) that generates the internal 1.8-V core supply from a single 3.3-V external rail. This eliminates the need for an external 1.8-V regulator and removes power sequencing requirements. The VREG is enabled by default at reset and supports full 50-MHz operation. Designers must provide adequate decoupling on VDD, VDDIO, and VDDA pins per Section 8.5 of the datasheet.

How many high-resolution PWM (HRPWM) channels does the TMS320F28023PTT support?

The TMS320F28023PTT supports four high-resolution PWM (HRPWM) channels-specifically ePWM1A, ePWM2A, ePWM3A, and ePWM4A-as documented in Table 6-1 of SPRS523P. Each HRPWM channel delivers 150-ps resolution for dual-edge modulation, enabling precise dead-time control in SiC/GaN-based power stages. Standard ePWM outputs (e.g., ePWM1B) operate at base resolution only.

What analog peripherals are integrated into the TMS320F28023PTT?

The TMS320F28023PTT integrates a 12-bit, 3-MSPS ADC with seven input channels (Group A), dual analog comparators (COMP1 and COMP2) with internal 10-bit DAC references, on-chip temperature sensor, and six analog-capable I/O pins (AIO2, AIO4, AIO6, AIO10, AIO12, AIO14). The ADC supports ratio-metric referencing (VREFHI/VREFLO) and hardware synchronization to ePWM events for accurate current sampling.

Is the TMS320F28023PTT pin-compatible with other F2802x devices in the same package?

Yes, the TMS320F28023PTT is pin-compatible with other 48-pin LQFP variants in the F2802x family-including TMS320F28026PTT and TMS320F28027PTT-as confirmed by identical pin diagrams in Figure 7-1 of SPRS523P. All share the same mechanical footprint, power pin locations (VDD/VSS/VDDIO), and peripheral pin mappings (ePWM, ADC, SCI, SPI, I2C), enabling drop-in replacement where firmware and timing margins permit.