STMicroelectronics STM8L151G4Y3TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8L EnergyLite
Packaging Tape & Reel (TR) | NULL
Core Processor STM8
Core Size 8-Bit
Speed 16MHz
Connectivity I2C, IrDA, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, IR, POR, PWM, WDT
Number of I/O 26
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters A/D 18x12b; D/A 1x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 28-WLCSP (1.7x2.84)
Package / Case 28-UFBGA, WLCSP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM8L151G4Y3TR is a 16MHz STM8 MCU with 32KB flash and 2KB RAM. It operates from 1.8V to 3.6V and includes brown-out detection, DMA, IR, POR, PWM, and WDT. The 28-UFBGA/WLCSP package is designed for ultra-compact, high-temperature applications.

  • 125°C operating temperature: Suitable for extreme environments.
  • Integrated IR peripheral: Reduces external components for remote control.
  • WLCSP package: Minimal footprint for space-constrained designs.
  • Low voltage (1.8V): Compatible with single-cell batteries.

Remote Controls

Integrated IR peripheral simplifies IR signal generation for consumer remotes.

High-Temperature Sensors

125°C rating allows placement near engines or industrial heat sources.

Wearable Health Monitors

WLCSP package is ultra-small for compact PCB designs.

Smart Lighting

PWM outputs and 16MHz speed control LED dimming with low power.

Battery Management

1.8V operation and DMA enable efficient monitoring of battery cells.

Security Systems

Brown-out detection ensures reliable operation in alarm panels.

Q: What is the core?
A: STM8 8-bit core at 16MHz.
Q: What is the temperature range?
A: -40°C to 125°C.
Q: How much flash?
A: 32KB flash.
Q: What package is this?
A: 28-UFBGA / WLCSP.
Q: Does it have IR support?
A: Yes, IR (infrared) is included.
Base Product Number : STM8L151G4Y3
16MHz 2KB RAM 32KB flash 8-bit MCU DMA high temperature IR PWM remote control STM8 wearable WLCSP-28
Q: What is the core?
A: STM8 8-bit core at 16MHz.
Q: What is the temperature range?
A: -40°C to 125°C.
Q: How much flash?
A: 32KB flash.
Q: What package is this?
A: 28-UFBGA / WLCSP.
Q: Does it have IR support?
A: Yes, IR (infrared) is included.