STM32L162VET6 - 512KB Flash Ultra-Low-Power MCU | STMicroelectronics
MPN: STM32L162VET6 ✓ פעילSTM32L162VET6 סקירה
An ultra-low-power microcontroller (MCU) is a system-on-chip that combines a processor core, memory, and peripherals while minimizing power consumption to extend battery life. The STM32L1 series is STMicroelectronics' flagship ultra-low-power family, positioned within the broader hierarchy of microcontrollers -> 32-bit MCUs -> ARM Cortex-M based MCUs -> STM32 family. These devices are essential in IoT, wearable, and portable medical devices where energy efficiency is critical.
Key features include multiple low-power modes (Sleep, Low-power Run, Low-power Sleep, Stop with RTC, Standby with RTC), a 12-bit ADC with hardware oversampling, a 12-bit DAC, an LCD driver supporting up to 8x40 segments, and an AES-128 hardware encryption engine. The device operates from 1.8V to 3.6V and supports a wide temperature range of -40°C to +85°C. Its ultra-low-power design achieves 230 µA/MHz in Run mode and 0.3 µA in Standby mode with RTC, making it ideal for energy-harvesting and long-life battery applications.
The STM32L162VET6 is built on a 130nm ultra-low-leakage process technology, enabling industry-leading power efficiency. The Cortex-M3 core includes a memory protection unit (MPU) and supports single-cycle multiplication and hardware division. The device features a flexible clock tree with multiple internal and external oscillators, including a 32 kHz RTC oscillator and a 16 MHz HSI RC oscillator, allowing designers to optimize performance versus power consumption.
Typical applications include smart meters, medical devices such as glucose monitors and hearing aids, industrial sensors, and portable consumer electronics. The integrated LCD controller and AES encryption make it particularly suitable for secure, display-equipped battery-powered devices. The USB 2.0 full-speed interface with internal PHY enables direct connectivity to hosts for data logging and firmware updates.
When designing with this MCU, careful attention to the power supply decoupling and clock configuration is essential. Use a 1 µF and 100 nF capacitor pair on each VDD pin, and select the appropriate low-power mode based on wake-up latency requirements. The STM32L162VET6 supports in-application programming (IAP) via USART, SPI, or USB, facilitating field firmware updates.
חלופות תחליף ישיר עבור STM32L162VET6 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם STM32L162VET6 (אותו גורם צורה וטביעת רגל) — שונים ב Flash Memory, Package, Supply Voltage.
STM32L162VET6TR
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
STM32L152VET6
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
STM32L162VET6
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM32L151VET6
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
STM32L152VET6TR
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
STM32L162VCT6
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM32L162VET6 דירוגים מרביים ומאפיינים חשמליים
| Core | ARM Cortex-M3 |
| Max Clock Frequency | 32 MHz |
| Flash Memory | 512 KB |
| SRAM | 80 KB |
| מתח אספקה | 1.8 V to 3.6 V |
| טמפרטורת פעולה | -40°C to +85°C |
| מארז | LQFP-100 (14x14 mm) |
| GPIO Pins | 83 |
| ADC | 12-bit, 16 channels |
| DAC | 12-bit, 2 channels |
| LCD Controller | 8x40 segments |
| AES Encryption | 128-bit hardware |
| USB | 2.0 Full-speed device |
| Low-power Run Mode | 230 µA/MHz |
| Standby Mode with RTC | 0.3 µA |
| RoHS | Compliant |
תצורת פינים של STM32L162VET6
| פין 1 | PE2 — GPIO / alternate functions |
| פין 2 | PE3 — GPIO / alternate functions |
| פין 3 | PE4 — GPIO / alternate functions |
| פין 4 | PE5 — GPIO / alternate functions |
| פין 5 | PE6 — GPIO / alternate functions |
| פין 6 | VBAT — Battery backup supply |
| פין 7 | PC13 — GPIO / RTC tamper |
| פין 8 | PC14 — GPIO / OSC32_IN |
| פין 9 | PC15 — GPIO / OSC32_OUT |
| פין 10 | PF0 — GPIO / OSC_IN |
| פין 11 | PF1 — GPIO / OSC_OUT |
| פין 12 | NRST — Reset (active low) |
| פין 13 | PC0 — GPIO / ADC input |
| פין 14 | PC1 — GPIO / ADC input |
| פין 15 | PC2 — GPIO / ADC input |
| פין 16 | PC3 — GPIO / ADC input |
| פין 17 | VDD — Power supply |
| פין 18 | VSS — Ground |
| פין 19 | PC4 — GPIO / ADC input |
| פין 20 | PC5 — GPIO / ADC input |
| פין 21 | PB0 — GPIO / ADC input |
| פין 22 | PB1 — GPIO / ADC input |
| פין 23 | PB2 — GPIO / BOOT1 |
| פין 24 | PB10 — GPIO / I2C2_SCL |
| פין 25 | PB11 — GPIO / I2C2_SDA |
| פין 26 | VDD — Power supply |
| פין 27 | VSS — Ground |
| פין 28 | PB12 — GPIO / SPI2_NSS |
| פין 29 | PB13 — GPIO / SPI2_SCK |
| פין 30 | PB14 — GPIO / SPI2_MISO |
| פין 31 | PB15 — GPIO / SPI2_MOSI |
| פין 32 | PD8 — GPIO / USART3_TX |
| פין 33 | PD9 — GPIO / USART3_RX |
| פין 34 | PD10 — GPIO / USART3_CK |
| פין 35 | PD11 — GPIO / USART3_CTS |
| פין 36 | PD12 — GPIO / USART3_RTS |
| פין 37 | PD13 — GPIO / TIM4_CH2 |
| פין 38 | PD14 — GPIO / TIM4_CH3 |
| פין 39 | PD15 — GPIO / TIM4_CH4 |
| פין 40 | VDD — Power supply |
| פין 41 | VSS — Ground |
| פין 42 | PC6 — GPIO / TIM3_CH1 |
| פין 43 | PC7 — GPIO / TIM3_CH2 |
| פין 44 | PC8 — GPIO / TIM3_CH3 |
| פין 45 | PC9 — GPIO / TIM3_CH4 |
| פין 46 | PA0 — GPIO / ADC input / WKUP |
| פין 47 | PA1 — GPIO / ADC input |
| פין 48 | PA2 — GPIO / USART2_TX |
| פין 49 | PA3 — GPIO / USART2_RX |
| פין 50 | PA4 — GPIO / DAC_OUT1 |
| פין 51 | PA5 — GPIO / DAC_OUT2 |
| פין 52 | PA6 — GPIO / SPI1_MISO |
| פין 53 | PA7 — GPIO / SPI1_MOSI |
| פין 54 | VDD — Power supply |
| פין 55 | VSS — Ground |
| פין 56 | PC4 — GPIO / ADC input |
| פין 57 | PC5 — GPIO / ADC input |
| פין 58 | PB0 — GPIO / ADC input |
| פין 59 | PB1 — GPIO / ADC input |
| פין 60 | PB2 — GPIO / BOOT1 |
| פין 61 | PB10 — GPIO / I2C2_SCL |
| פין 62 | PB11 — GPIO / I2C2_SDA |
| פין 63 | VDD — Power supply |
| פין 64 | VSS — Ground |
| פין 65 | PB12 — GPIO / SPI2_NSS |
| פין 66 | PB13 — GPIO / SPI2_SCK |
| פין 67 | PB14 — GPIO / SPI2_MISO |
| פין 68 | PB15 — GPIO / SPI2_MOSI |
| פין 69 | PD8 — GPIO / USART3_TX |
| פין 70 | PD9 — GPIO / USART3_RX |
| פין 71 | PD10 — GPIO / USART3_CK |
| פין 72 | PD11 — GPIO / USART3_CTS |
| פין 73 | PD12 — GPIO / USART3_RTS |
| פין 74 | PD13 — GPIO / TIM4_CH2 |
| פין 75 | PD14 — GPIO / TIM4_CH3 |
| פין 76 | PD15 — GPIO / TIM4_CH4 |
| פין 77 | VDD — Power supply |
| פין 78 | VSS — Ground |
| פין 79 | PC6 — GPIO / TIM3_CH1 |
| פין 80 | PC7 — GPIO / TIM3_CH2 |
| פין 81 | PC8 — GPIO / TIM3_CH3 |
| פין 82 | PC9 — GPIO / TIM3_CH4 |
| פין 83 | PA0 — GPIO / ADC input / WKUP |
| פין 84 | PA1 — GPIO / ADC input |
| פין 85 | PA2 — GPIO / USART2_TX |
| פין 86 | PA3 — GPIO / USART2_RX |
| פין 87 | PA4 — GPIO / DAC_OUT1 |
| פין 88 | PA5 — GPIO / DAC_OUT2 |
| פין 89 | PA6 — GPIO / SPI1_MISO |
| פין 90 | PA7 — GPIO / SPI1_MOSI |
| פין 91 | VDD — Power supply |
| פין 92 | VSS — Ground |
| פין 93 | PC4 — GPIO / ADC input |
| פין 94 | PC5 — GPIO / ADC input |
| פין 95 | PB0 — GPIO / ADC input |
| פין 96 | PB1 — GPIO / ADC input |
| פין 97 | PB2 — GPIO / BOOT1 |
| פין 98 | PB10 — GPIO / I2C2_SCL |
| פין 99 | PB11 — GPIO / I2C2_SDA |
| פין 100 | VDD — Power supply |
יישומים טיפוסיים
STM32L162VET6 מתאים עבור 6 יישוםs: Smart Meters, Medical Devices, Industrial Sensors, Portable Consumer Electronics, IoT Devices, Security Systems.
Smart Meters
The STM32L162VET6 is ideal for smart meters due to its ultra-low power consumption, integrated LCD controller for display, and AES-128 encryption for secure data communication. In a typical smart meter, the MCU reads sensor data, processes it, and communicates via wireless or wired interfaces while maintaining long battery life. The 512 KB Flash allows storing extensive metering data and firmware updates. The low-power modes enable the meter to run for years on a single battery, and the AES engine secures communication with the utility network.
מומלץ
Medical Devices
The STM32L162VET6 is well-suited for portable medical devices such as glucose monitors, hearing aids, and pulse oximeters. Its ultra-low-power operation extends battery life, critical for wearable devices. The integrated ADC and DAC enable precise sensor signal conditioning, while the LCD controller can drive small displays for user feedback. The AES encryption ensures patient data security. The device's small footprint and low power make it ideal for continuous health monitoring.
מומלץ
Industrial Sensors
In industrial environments, the STM32L162VET6 can be used in wireless sensor nodes for condition monitoring, temperature sensing, and pressure measurement. Its wide supply voltage range (1.8V-3.6V) allows operation from industrial power rails or batteries. The multiple communication interfaces (USART, SPI, I2C) enable connectivity to various sensors and actuators. The low-power modes are essential for battery-powered nodes that must operate for years without maintenance.
מומלץ
Portable Consumer Electronics
The STM32L162VET6 is perfect for portable consumer devices like fitness trackers, smart watches, and remote controls. Its ultra-low-power consumption ensures long battery life, and the integrated LCD controller can drive small displays. The USB interface allows easy charging and data transfer. The AES encryption can secure user data. The device's small package and rich peripheral set make it a versatile choice for compact designs.
מומלץ
IoT Devices
The STM32L162VET6 is an excellent choice for IoT edge devices that require low power and secure communication. Its AES-128 encryption engine ensures secure data transmission, and the ultra-low-power modes enable battery-powered operation for extended periods. The device can interface with various sensors and communication modules (Wi-Fi, BLE, LoRa) via USART, SPI, or I2C. The 512 KB Flash provides ample space for application code and data logging.
מומלץ
Security Systems
The STM32L162VET6 is suitable for security systems such as access control panels, alarm systems, and surveillance cameras. Its AES encryption ensures secure communication with central monitoring stations. The LCD controller can display system status, and the multiple GPIOs can interface with sensors and actuators. The low-power modes allow battery backup operation during power outages.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור STM32L162VET6 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | STM32L162VET6TR | STM32L152VET6 | STM32L151VET6 | STM32L162VCT6 |
|---|---|---|---|---|---|
| Package | LQFP-100 | LQFP-100 - same | LQFP-100 - same | LQFP-100 - same | LQFP-100 - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 |
| Max Clock Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB |
| SRAM | 80 KB | 80 KB | 80 KB | 80 KB | 32 KB |
| AES Encryption | Yes (128-bit) | Yes (128-bit) | No | No | Yes (128-bit) |
| LCD Controller | Yes (8x40) | Yes (8x40) | Yes (8x40) | No | Yes (8x40) |
| Supply Voltage | 1.8V - 3.6V | 1.8V - 3.6V | 1.8V - 3.6V | 1.8V - 3.6V | 1.8V - 3.6V |
| Standby Current | 0.3 µA | 0.3 µA | 0.3 µA | 0.3 µA | 0.3 µA |
מבדילים עיקריים
- Integrated AES-128 hardware encryption (לעומתSTM32L152VET6)
- Integrated LCD controller (לעומתSTM32L151VET6)
- Larger Flash and SRAM (לעומתSTM32L162VCT6)
הערות תכנון
Decouple each VDD pin with a 100 nF ceramic capacitor placed as close as possible to the pin, and add a 1 µF capacitor at the main power entry. For the VDDA pin, use a 1 µF and 100 nF pair to ensure stable ADC reference. The VBAT pin should be connected to a backup battery or tied to VDD through a diode to maintain RTC operation during main power loss.
For the LQFP-100 package, ensure a solid ground plane under the device. Route the crystal oscillator (OSC_IN/OSC_OUT) with short traces and keep them away from high-speed digital lines. Place the decoupling capacitors for the crystal as close as possible to the pins. Use a 4-layer PCB with dedicated power and ground planes for optimal EMC performance.
Do not leave unused GPIO pins floating; configure them as outputs or enable internal pull-ups/pull-downs to avoid excessive leakage. When using the LCD controller, ensure the LCD voltage (VLCD) is properly generated and decoupled. For low-power modes, disable unused peripherals and clocks to achieve the specified standby current. Also, note that the BOOT0 pin must be tied to a defined level to avoid accidental boot mode changes.
מידע על תאימות
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified (not intended for automotive).
