STMicroelectronics STM32G071KBT6N

Overview

STM32G071KBT6N from STMicroelectronics is a 32-bit Arm® Cortex®-M0+ microcontroller with 128 KB Flash, 36 KB SRAM, and integrated USB Type-C Power Delivery controller. It operates from 1.7–3.6 V, supports -40°C to 125°C extended temperature range, and delivers up to 64 MHz CPU frequency. It is deployed in smart power adapters, industrial sensor nodes, and battery-powered USB-C PD sink controllers requiring secure firmware execution and low-power RTC wake-up.

For engineers reviewing the STM32G071KBT6N datasheet, STM32G071KBT6N pinout, STM32G071KBT6N application, or STM32G071KBT6N equivalent, key selection criteria include its dual 12-bit DACs with sample-and-hold, 14-timer suite (including two 128 MHz-capable advanced timers), 12-bit 0.4 µs ADC with hardware oversampling up to 16-bit, and native USB Type-C PD controller - all in a compact LQFP32 package with 5 V-tolerant I/Os.

Technical Context

The STM32G071KBT6N integrates an Arm Cortex-M0+ core with Memory Protection Unit (MPU) for secure task isolation and runtime privilege enforcement. Its clock system combines four oscillators - 4–48 MHz HSE, 32 kHz LSE with calibration, 16 MHz HSI (±1%), and 32 kHz LSI (±5%) - enabling precise timing control across active and low-power modes.

Peripheral interconnect uses a flexible AHB/APB matrix supporting concurrent DMA transfers and interrupt routing to NVIC. The 7-channel DMA controller features configurable priority and peripheral-to-peripheral transfers, while the 60 fast I/Os include multiple 5 V-tolerant pins mappable to external interrupt vectors and timer capture/compare channels.

Key Specifications

Pinout & Package

LQFP32 package with 32-pin quad flat pack, exposed thermal pad, RoHS-compliant ECOPACK2 finish, and 0.8 mm lead pitch. Designed for reflow soldering and industrial-grade thermal performance (θ_JA = 50°C/W).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32G071KBT6N, the G0B1 offers scalability for future firmware growth and security-critical use cases, while the G031 provides a leaner, lower-cost entry point - both retain the same Cortex-M0+ architecture and toolchain compatibility but differ in memory, analog capability, and USB-C integration.

Availability

STM32G071KBT6N is available at Aetrix Electronics and suitable for smart power adapters, industrial sensor nodes, and medical wearable chargers requiring stable component supply across long-lifecycle production programs.

Supply support for STM32G071KBT6N 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 management ICs, sensors, and analog components for industrial, automotive, and consumer markets.

The STM32G0 series targets cost-sensitive, ultra-low-power embedded applications demanding high integration, security, and USB-C readiness - optimized for smart peripherals, IoT endpoints, and portable power systems.

FAQ

What is the maximum operating temperature rating for STM32G071KBT6N?

The STM32G071KBT6N is qualified for operation from -40°C to +125°C ambient temperature, meeting extended industrial requirements. This rating is validated per ST's production test flow and applies to the LQFP32 package variant under specified voltage (1.7–3.6 V) and load conditions. Thermal derating is not required up to 125°C in typical PCB layouts with adequate copper pour.

Does STM32G071KBT6N support hardware-based secure boot?

Yes - it implements hardware-enforced secure boot via Readout Protection (RDP) levels and a securable Flash area. When RDP Level 2 is activated, debug access is permanently disabled and the securable area prevents unauthorized read/write/execute access. Boot vector remapping and MPU configuration further isolate trusted firmware during initialization.

Can the USB Type-C PD controller operate independently of the Cortex-M0+ core?

No - the USB-C PD controller is a peripheral block managed by firmware running on the Cortex-M0+ core. It relies on the CPU for policy engine decisions, BMC encoding/decoding, and state machine transitions. However, it supports autonomous wakeup from Stop mode upon PD message reception, allowing the core to remain powered down until required.

What are the key differences between STM32G071KBT6N and STM32G070KBT6?

The STM32G071KBT6N includes USB Type-C PD controller, two 12-bit DACs, and enhanced analog features (e.g., VREFBUF, temperature sensor calibration), while the G070 lacks the PD controller and DACs. The G071 also adds more timers (14 vs. 11), higher ADC resolution (12-bit vs. 10-bit), and extended temperature grade (125°C vs. 85°C), making it suitable for power delivery and precision analog applications.