STM8L052R8T6

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FAQ

Q: STM8L052R8T6 vs. STM8L151C8T6 — key differences?
A: L052R8T6: 64 KB Flash, 4 KB SRAM, 256 bytes EEPROM, 54 GPIOs, 28 ADC channels, LQFP-64, no DMA. L151C8T6: 64 KB Flash, 4 KB SRAM, 2 KB EEPROM, 41 GPIOs, 25 ADC channels, LQFP-48, has DMA. Choose the R8 for maximum I/O and ADC channels (64-pin package); choose the C8 for a more compact design (48-pin

Q: Can a single STM8L052R8T6 handle a complete 16S BMS?
A: Yes. The 28 ADC channels are sufficient for 16 cell voltages + 1 pack current + 4 temperature sensors + 2 reference voltages + 5 spare — a full 16S BMS can be built on a single R8T6 without external ADCs. However, for 16S you must ensure the cumulative voltage on the ADC pins does not exceed VDD+0.3

1. Product Overview

The STM8L052R8T6 in LQFP-64 is the maximum-configuration STM8L Value Line device. With 64 KB Flash — double the L052C6 — it accommodates complex firmware with dual-bank update capability. The 54 GPIOs and 28-channel 12-bit ADC enable direct monitoring of up to 14 series LiPo cells without analog multiplexing, plus multiple temperature sensors, current sensors, and spare analog inputs — making it the ideal single-chip solution for high-cell-count drone BMS. The LQFP-64 package (10×10 mm) provides enough I/O to combine BMS cell monitoring, pack current sensing, charge/discharge FET control, temperature monitoring, and communication interfaces — all on one chip. For large industrial drones using 12S–16S battery configurations, the R8T6 eliminates the need for external ADC multiplexers, I/O ex

2. Key Features

• 28-Channel 12-Bit ADC — Direct 14S Cell Monitoring
• 64 KB Flash + 4 KB SRAM — Dual-Bank BMS Firmware
• 54 GPIOs in LQFP-64 — Maximum I/O in STM8L052 Family

3. Technical Specifications

4. Applications

• 14S–16S Heavy-Lift Drone BMS Controller
• Drone Sensor Hub with 28 Analog Inputs
• Battery-Powered Autonomous Payload Controller

5. Supply Solutions

Aurora supports customers with STM8L052R8T6 sourcing through verified global supply channels. We help OEMs and manufacturers manage availability challenges, production requirements, and lifecycle risks with flexible procurement solutions.

6. Quality Assurance

All components supplied by Aurora follow strict quality control procedures, including supplier verification, documentation review, inspection, and traceability management to ensure product authenticity and reliability.

7. Alternative & Replacement Solutions

When original STM8L052R8T6 components face shortages, lifecycle changes, or long lead times, Aurora helps customers identify suitable alternative components based on technical requirements, application needs, and supply conditions.

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