STM32L432KBU6 STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock

Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, USB FS, analog, audio

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
STM32L432KBU6Quad Flat No-Lead
Quick Facts
Manufacturer
STMicroelectronics
Package
Quad Flat No-Lead
Pin Count
33
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $2.0760(MOQ 2)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Manufacturer Package CodeUFQFPN 32 5x5x0.55
Date Of Intro2018-05-25
YTEOL9
Has ADCYES
Bit Size32
CPU FamilyCORTEX-M4
Clock Frequency-Max48MHz
DAC ChannelsYES
DMA ChannelsYES
JESD-30 CodeS-XQCC-N32
JESD-609 Codee3
Number of I/O Lines26
On Chip Program ROM Width8
PWM ChannelsYES
Package Body MaterialUNSPECIFIED
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
RAM (bytes)65536
ROM (words)131072
ROM ProgrammabilityFLASH
Speed80MHz
Supply Voltage-Max3.6V
Supply Voltage-Min1.8V
Supply Voltage-Nom1.8V
Surface MountYES
Terminal FinishMatte Tin (Sn)
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 3
ECCN3A991.A.2
HTS Code8542.31.00.25
Country of OriginMainland China, Taiwan

Datasheet

STM32L432KBU6 Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for STM32L432KBU6:

STM32L412KBU6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS

View Part →
STM32L432KCU6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS

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STM32L431KBU6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS

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STM32L422KBU6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS

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STM32L431KCU6STMicroelectronics

RISC Microcontroller, 32-Bit, 80MHz

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STM32L442KCU6STMicroelectronics

RISC Microcontroller

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STM32L431KBU3STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC32

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STM32L412KBU3STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS

View Part →

Frequently Asked Questions

What is the price of STM32L432KBU6?

STM32L432KBU6 is priced from $2.0760 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is STM32L432KBU6 in stock?

STM32L432KBU6 is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy STM32L432KBU6?

You can buy STM32L432KBU6 from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for STM32L432KBU6 from STMicroelectronics.

What is the datasheet for STM32L432KBU6?

The official STM32L432KBU6 datasheet from STMicroelectronics contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does STM32L432KBU6 come in?

STM32L432KBU6 is available in Quad Flat No-Lead packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
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Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
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Quality Guaranteed
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About STMicroelectronics

STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.

AvailabilityIn Stock
Reference Price (USD)
From $2.0760
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
2+$2.1580$4.32
125+$2.1300$266.25
250+$2.0800$520.00
7840+$2.0760$16275.84
pcs
Unit price: $2.1580 · Total: $4.32

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy