STM8L151C6T6 - 8-bit Ultra-Low-Power MCU, 32KB Flash | STMicroelectronics
N.º da peça: STM8L151C6T6 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.42 | $3,42 |
| 10 | $3.08 | $30,80 |
| 100 | $2.74 | $274,00 |
| 500 | $2.46 | $1.230,00 |
| 1.000 | $2.19 | $2.190,00 |
STM8L151C6T6 Visão geral
An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, integrating a processor core, memory, and programmable peripherals. The STM8L151C6T6 belongs to the STM8L ultra-low-power family, which is optimized for applications where power consumption is critical, such as portable medical devices, smart sensors, and industrial monitoring. As a member of the STM8L series, it balances processing capability with energy efficiency, making it a key component in the power management hierarchy of embedded systems.
Key features include an operating power supply range of 1.8V to 3.6V, multiple low-power modes (Wait, Low-power Run, Low-power Wait, Active-halt, and Halt), and a rich set of peripherals: USART, I2C, SPI, 12-bit ADC, 12-bit DAC, comparators, timers, and an RTC. The device also supports an LCD driver (on STM8L152 variants) and offers up to 41 I/O pins. Its ultra-low-power design achieves typical current consumption as low as 0.3 µA in Halt mode, making it ideal for battery-powered applications.
The STM8L151C6T6 is built on ST's proprietary STM8 core architecture, which is designed for high code density and efficient execution. The device includes a flexible clock system with internal and external oscillators, a comprehensive set of timers (including a basic timer, general-purpose timers, and a low-power timer), and a 12-bit ADC with up to 28 channels. The integrated EEPROM allows for data storage without external memory, simplifying system design and reducing BOM cost.
Typical applications include portable medical devices (e.g., glucose meters, pulse oximeters), smart sensors for IoT nodes, industrial process control, and battery management systems. The ultra-low-power modes and wide operating voltage range make it particularly suited for devices powered by coin cells or energy harvesting. The rich analog peripherals (ADC, DAC, comparators) enable direct sensor interfacing without external components.
When designing with this MCU, pay attention to the power supply decoupling: place a 100 nF capacitor close to each VDD pin and a 1 µF capacitor at the main power input. For lowest power consumption, use the Halt mode with the RTC running, and configure unused I/Os as analog inputs or outputs to avoid floating inputs. The STM8L151C6T6 is supported by ST's free development tools, including the ST Visual Develop (STVD) IDE and the STM8CubeMX configuration tool, which simplify firmware development and peripheral initialization.
Alternativas drop-in para STM8L151C6T6 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM8L151C6T6 (mesmo formato e footprint) — diferindo em Core, Operating Temperature, Package, ADC Channels, Communication Interfaces.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM8L151C6T3
✅ Drop-In✓ Em estoque
$1.65 / unidade
Ver ficha técnica →STM8L152C6T6
✅ Drop-In✓ Em estoque
$2.19 / unidade
Ver ficha técnica →STM8L151C6T6TR
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM8L151C4T6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM8L151C8T6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM8L151C6T6 Classificações máximas e características elétricas
| Core | STM8 8-bit |
| Frequência máxima de clock | 16 MHz |
| Flash Memory | 32 KB (32K x 8) |
| RAM Size | 2 KB |
| Data EEPROM | 1 KB |
| Tensão de alimentação de operação | 1.8 V to 3.6 V |
| Number of I/O Pins | 41 |
| ADC Resolution | 12-bit |
| ADC Channels | 28 |
| DAC Resolution | 12-bit |
| Comparators | 2 |
| Timers | 4 (1 basic, 2 general-purpose, 1 low-power) |
| Communication Interfaces | USART, I2C, SPI |
| RTC | Yes |
| Encapsulamento | 48-LQFP (7x7 mm) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40C to +85C |
| Status RoHS | Compliant |
Configuração de pinos do STM8L151C6T6
| Pino 1 | PE2 — I/O or analog input |
| Pino 2 | PE3 — I/O or analog input |
| Pino 3 | PE4 — I/O or analog input |
| Pino 4 | PE5 — I/O or analog input |
| Pino 5 | VSS — Ground |
| Pino 6 | VDD — Power supply |
| Pino 7 | PF0 — I/O or analog input |
| Pino 8 | PF1 — I/O or analog input |
| Pino 9 | PF2 — I/O or analog input |
| Pino 10 | PF3 — I/O or analog input |
| Pino 11 | PF4 — I/O or analog input |
| Pino 12 | PF5 — I/O or analog input |
| Pino 13 | VSS — Ground |
| Pino 14 | VDD — Power supply |
| Pino 15 | PB0 — I/O or analog input |
| Pino 16 | PB1 — I/O or analog input |
| Pino 17 | PB2 — I/O or analog input |
| Pino 18 | PB3 — I/O or analog input |
| Pino 19 | PB4 — I/O or analog input |
| Pino 20 | PB5 — I/O or analog input |
| Pino 21 | PB6 — I/O or analog input |
| Pino 22 | PB7 — I/O or analog input |
| Pino 23 | VSS — Ground |
| Pino 24 | VDD — Power supply |
| Pino 25 | PC0 — I/O or analog input |
| Pino 26 | PC1 — I/O or analog input |
| Pino 27 | PC2 — I/O or analog input |
| Pino 28 | PC3 — I/O or analog input |
| Pino 29 | PC4 — I/O or analog input |
| Pino 30 | PC5 — I/O or analog input |
| Pino 31 | PC6 — I/O or analog input |
| Pino 32 | PC7 — I/O or analog input |
| Pino 33 | VSS — Ground |
| Pino 34 | VDD — Power supply |
| Pino 35 | PD0 — I/O or analog input |
| Pino 36 | PD1 — I/O or analog input |
| Pino 37 | PD2 — I/O or analog input |
| Pino 38 | PD3 — I/O or analog input |
| Pino 39 | PD4 — I/O or analog input |
| Pino 40 | PD5 — I/O or analog input |
| Pino 41 | PD6 — I/O or analog input |
| Pino 42 | PD7 — I/O or analog input |
| Pino 43 | VSS — Ground |
| Pino 44 | VDD — Power supply |
| Pino 45 | PE0 — I/O or analog input |
| Pino 46 | PE1 — I/O or analog input |
| Pino 47 | NRST — Reset (active low) |
| Pino 48 | VREF+ — ADC reference voltage |
Aplicações típicas
STM8L151C6T6 é adequado para 6 aplicaçãos: Portable Medical Devices, Smart Sensors for IoT, Industrial Process Control, Battery Management Systems, Smart Home Automation, Test and Measurement Equipment.
Portable Medical Devices
The STM8L151C6T6 is ideal for portable medical devices like glucose meters and pulse oximeters. Its ultra-low-power Halt mode (0.3 µA typ) extends battery life, while the 12-bit ADC (28 channels) enables precise sensor readings. The wide voltage range (1.8V-3.6V) allows direct operation from coin cells. In a typical glucose meter, the MCU reads the electrochemical sensor via the ADC, processes the result, and drives an LCD (via external driver or STM8L152 variant). The low-power modes ensure months of operation from a single CR2032 battery. The integrated EEPROM stores calibration data and patient history without external memory. Compared to 32-bit MCUs, the STM8L core offers sufficient processing power for these applications while consuming significantly less power, making it a cost-effective choice for high-volume medical devices.
Recomendado
Smart Sensors for IoT
The STM8L151C6T6 excels in smart sensor nodes for IoT applications. Its low-power modes and integrated communication interfaces (USART, I2C, SPI) enable seamless connectivity with wireless modules like LoRa or BLE. The 12-bit ADC and comparators allow direct interfacing with temperature, humidity, and pressure sensors. In a typical IoT node, the MCU wakes from Halt mode every few seconds, reads sensor data, processes it, and transmits via a wireless module before returning to sleep. The 32 KB Flash provides ample space for sensor calibration algorithms and communication protocols. The device's 1.8V-3.6V operating range matches common battery chemistries, and the RTC enables time-stamped data logging. Compared to ARM Cortex-M0 MCUs, the STM8L offers comparable low-power performance at a lower cost, making it attractive for high-volume IoT deployments.
Recomendado
Industrial Process Control
In industrial process control, the STM8L151C6T6 provides reliable, low-power monitoring and control. Its 12-bit ADC and comparators enable precise measurement of analog signals from sensors like thermocouples and pressure transducers. The USART interface supports Modbus communication for industrial networks. The device's wide operating temperature range (-40C to +85C) and robust design make it suitable for harsh environments. In a typical application, the MCU reads multiple sensor channels, performs PID control algorithms, and drives actuators via PWM timers. The integrated EEPROM stores calibration parameters and fault logs. The low-power modes reduce heat generation in sealed enclosures, improving reliability. Compared to 16-bit MCUs, the STM8L offers sufficient performance for most control loops while consuming less power and requiring fewer external components.
Recomendado
Battery Management Systems
The STM8L151C6T6 is well-suited for battery management systems (BMS) in portable electronics. Its 12-bit ADC monitors cell voltages and temperatures, while the comparators provide over-voltage/under-voltage protection. The low-power modes ensure minimal drain on the battery being monitored. In a typical BMS, the MCU periodically measures each cell voltage, balances cells via GPIO-controlled switches, and communicates status via I2C or USART to a host controller. The 1 KB EEPROM stores battery parameters and charge history. The wide voltage range (1.8V-3.6V) allows the MCU to be powered directly from the battery pack. Compared to dedicated BMS ICs, using an MCU offers flexibility in implementing custom algorithms and communication protocols, while the STM8L's low cost makes it suitable for consumer electronics.
Recomendado
Smart Home Automation
The STM8L151C6T6 is a cost-effective choice for smart home devices like thermostats, smart plugs, and lighting controls. Its low-power modes enable battery-powered operation for wireless sensors, while the communication interfaces (I2C, SPI, USART) connect to Wi-Fi or Zigbee modules. The 12-bit ADC reads temperature sensors and potentiometers for user input. In a typical smart thermostat, the MCU reads temperature, compares it to the setpoint, and controls HVAC via a relay. The RTC schedules daily temperature changes. The device's 32 KB Flash stores user preferences and schedules. Compared to 32-bit MCUs, the STM8L offers sufficient processing for these tasks at a lower cost and power consumption, making it ideal for high-volume consumer products.
Recomendado
Test and Measurement Equipment
The STM8L151C6T6 is used in portable test and measurement equipment like multimeters and data loggers. Its 12-bit ADC provides accurate voltage and current measurements, while the USART interface enables data transfer to a PC. The low-power modes extend battery life in handheld instruments. In a typical multimeter, the MCU controls an analog front-end, reads the ADC, and displays results on an LCD. The integrated EEPROM stores calibration constants. The device's wide operating voltage range (1.8V-3.6V) allows operation from standard 9V batteries with a regulator. Compared to dedicated measurement ICs, using an MCU offers flexibility in implementing custom measurement algorithms and user interfaces, while the STM8L's low cost makes it suitable for budget-friendly instruments.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM8L151C6T6 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM8L151C6T3 | STM8L152C6T6 | STM8L151C6T6TR | STM8L151C4T6 | STM8L151C8T6 |
|---|---|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB | 64 KB |
| RAM Size | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB |
| Data EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 2 KB |
| LCD Driver | No | No | Yes (4x28 segments) | No | No | No |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging | Tray | Tray | Tray | Tape & Reel | Tray | Tray |
Principais diferenciais
- Ultra-low-power Halt mode (0.3 µA typ) (vs STM8L151C4T6)
- Wide operating voltage range (1.8V-3.6V) (vs STM8L151C8T6)
- No LCD driver (lower cost) (vs STM8L152C6T6)
Notas de projeto
For optimal power consumption, use the Halt mode with the RTC running for periodic wake-ups. In Halt mode, current drops to 0.3 µA (typ) with the RTC off, and around 1 µA with the RTC on. Configure unused I/Os as analog inputs or outputs to avoid floating inputs, which can increase leakage current. Use the low-speed internal oscillator (38 kHz) for low-power operation when high clock speeds are not needed.
Place a 100 nF ceramic capacitor close to each VDD pin and a 1 µF capacitor at the main power input. For the ADC, connect a 100 nF capacitor to the VREF+ pin to reduce noise. Ensure a solid ground plane under the LQFP package to minimize EMI and improve thermal performance. The SWIM debug interface pin (PF0) should have a pull-up resistor (10 kΩ) for reliable programming.
Do not exceed the absolute maximum ratings: VDD must not exceed 4.0V, and I/O pins must not exceed VDD + 0.3V. When using the ADC, ensure the sampling time is sufficient for the source impedance; use a 1 µF capacitor on the ADC input if the source impedance is high. The internal EEPROM has a limited write endurance (typically 300k cycles), so implement wear leveling for frequent data updates.
Informações de conformidade
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified - choose STM8L151C6T3 for extended temperature range but still not automotive qualified.
