STMicroelectronics STM32F103ZGH6TR

Overview

STM32F103ZGH6TR from STMicroelectronics is an ARM® Cortex®-M3 32-bit microcontroller operating at up to 72 MHz, featuring 1 MB Flash, 96 KB SRAM, USB 2.0 full-speed interface, CAN 2.0B controller, and three 12-bit ADCs with 21 channels - deployed in industrial motor control systems requiring real-time PWM generation, analog sensing, and fieldbus communication.

For engineers reviewing the STM32F103ZGH6TR datasheet, STM32F103ZGH6TR pinout, STM32F103ZGH6TR application, or STM32F103ZGH6TR equivalent, key selection criteria include its LFBGA144 package, 112 I/Os with 5 V tolerance, dual 12-bit DACs, 17 timers (including motor-control PWM with dead-time), and integrated CRC unit for firmware integrity verification.

Technical Context

The STM32F103ZGH6TR implements a tightly coupled ARM Cortex-M3 core with Memory Protection Unit (MPU), supporting deterministic interrupt handling via NVIC and flexible boot modes (system memory, embedded Flash, or SRAM). Its clock system integrates HSE (4–16 MHz), HSI (8 MHz factory-trimmed), LSE (32.768 kHz for RTC), and PLL with programmable multiplication factor.

Peripheral integration includes FSMC supporting NAND/NOR/PSRAM/CompactFlash, LCD parallel interface (8080/6800 modes), and dual DMA controllers servicing 12 channels across ADC, DAC, USB, SDIO, SPI, I²S, I²C, and USART peripherals - enabling concurrent high-bandwidth data movement without CPU intervention.

Key Specifications

Pinout & Package

LFBGA144 package (10 × 10 mm, 0.8 mm pitch), RoHS-compliant, ECOPACK® certified. Designed for high-density PCB layouts with thermal pad for enhanced power dissipation in continuous motor control operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32F103VCT6, the ZGH6TR adds 32 extra I/Os and FSMC for HMI/data logging, while STM32F407VGT6 trades deterministic Cortex-M3 timing for FPU performance - making ZGH6TR optimal for time-critical industrial control with memory expansion needs.

Availability

STM32F103ZGH6TR is available at Aetrix Electronics and suitable for industrial motor drives, smart energy meters, automotive body controllers, and medical infusion pumps requiring stable component supply across extended product lifecycles.

Supply support for STM32F103ZGH6TR 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and automotive-grade components since 1987.

The STM32F103xG series targets high-reliability industrial and consumer applications demanding rich analog integration, real-time responsiveness, and long-term supply stability - with design focus on motor control, PLCs, and smart grid endpoints.

FAQ

What is the maximum operating temperature range for STM32F103ZGH6TR?

The STM32F103ZGH6TR is rated for industrial temperature range: –40°C to +85°C ambient. Its internal temperature sensor and VREFINT calibration data remain valid across this range, and thermal characteristics (θ_JA = 30°C/W for LFBGA144) ensure safe operation under 100 mA average I_DD at 72 MHz in typical PCB layouts with 2 oz copper and 4 thermal vias.

Does STM32F103ZGH6TR support USB device mode without external components?

Yes. The part integrates a full-speed USB 2.0 transceiver with internal pull-up resistor on USB_DP. Only a single 1.5 kΩ pull-up to 3.3 V on USB_DP is required for device enumeration - no external PHY, resistors, or crystals beyond the mandatory 8 MHz HSE for USB clock accuracy (±0.25%) are needed.

How many independent PWM outputs can be generated simultaneously?

The STM32F103ZGH6TR supports up to 24 independent PWM channels: ten 16-bit general-purpose timers provide up to 4 PWM outputs each (40 total theoretical), and two motor-control timers deliver 6 complementary PWM outputs with dead-time insertion - enabling full 3-phase inverter control plus auxiliary timing signals.

Is the LFBGA144 package compatible with standard reflow profiles?

Yes. The LFBGA144 package complies with JEDEC J-STD-020D moisture sensitivity level 3 (MSL3) and supports lead-free reflow per IPC/JEDEC J-STD-020. Peak temperature must not exceed 260°C for ≤40 seconds; recommended profile includes ramp-to-spike ≤3°C/s, soak at 150–200°C for 60–120 s, and time above liquidus (217°C) of 60–90 s.