Microchip Technology

AT32UC3C0512C-ALZR - 32-bit AVR MCU 512KB Flash Automotive LQFP-144 | Microchip

Артикул: AT32UC3C0512C-ALZR ✓ Активен

В наличии Отправка в течение 1–3 рабочих дней

3.3 V / 5 V Vdss 144-LQFP (20 x 20 mm) Package 66 MHz Speed 512 KB Memory

От $11.85 USD / шт.

MOQ: 1 |

Цена обновлена: 2026-10-06

Оптовые цены

Кол-во	Цена за ед.	Итого
1	$18.5	$18,50
10	$16.75	$167,50
100	$14.95	$1.495,00
500	$13.2	$6.600,00
1.000	$11.85	$11.850,00

ℹ️ Все цены указаны в USD

Открыть datasheet (PDF) Смотреть аналоги

Количество

AT32UC3C0512C-ALZR Обзор

The Microchip Technology (formerly Atmel) AT32UC3C0512C-ALZR is an AVR32 UC3 C-series 32-bit RISC flash microcontroller integrating 512KB of Flash, 68KB of SRAM, and a hardware floating-point unit, housed in a 144-pin LQFP package (20x20 mm) and qualified to AEC-Q100 grade 1 for automotive control applications. It runs at 66 MHz core clock, supports 3.3V and 5V operating voltages, and is optimised for fast serial interfaces and field-oriented motor control.

A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash), volatile memory (SRAM), and a rich set of on-chip peripherals (timers, communication, ADC, PWM, GPIOs). Within the broader system hierarchy, this part belongs to embedded microcontroller → 32-bit MCU → RISC MCU → automotive-grade MCU → semiconductor IC. The UC3 C-series specifically targets motor-control and industrial-control subsystems requiring deterministic PWM generation, fast ADC sampling, and CAN/LIN connectivity.

Key features of the AT32UC3C0512C-ALZR include a 7-channel peripheral event controller, a 4-channel 12-bit ADC capable of simultaneous dual-sample conversion, programmable analog comparators with window detection, a Multi-purpose Timer Counter (TC) module with quadrature decoding, full-speed USB 2.0 device, two CAN controllers, four USARTs, and FlashVault code-protection for secure firmware IP. The hardware FPU accelerates single-precision math used in field-oriented control (FOC) algorithms.

The device uses a Harvard-cache architecture with separate code and data memories to maximise throughput, and integrates dedicated motor-control peripherals such as the Pulse Width Modulation Controller (PWMC) and Quadrature Decoder (QDEC). AEC-Q100 grade 1 qualification ensures operation across -40C to +125C and resilience to automotive EMC profiles, making the part suitable for under-hood applications.

Typical applications include industrial servo drives, automotive HVAC blower and pump controllers, BLDC and PMSM motor control, power-tool inverter control, field-oriented control of three-phase motors, and CAN/LIN node ECUs. The combination of FPU and motor-control peripherals removes the need for an external DSP in low-power-control designs.

When designing with this MCU, budget Flash and SRAM carefully because the part does not include external memory bus, so all firmware must fit in the on-chip 512KB Flash and 68KB SRAM. Use the on-chip QTouch library for capacitive touch acquisition, and add CAN bus transceivers (e.g., MCP2551) and 12V-tolerant ESD diodes on automotive harnesses.

This page synthesises distributor pricing from DigiKey, Mouser and Octopart, identifies same-brand and cross-brand drop-in alternatives, and adds practical design notes not found in the manufacturer datasheet, giving engineers a one-stop engineering summary.

Аналоги без доработки для AT32UC3C0512C-ALZR — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с AT32UC3C0512C-ALZR (тот же форм-фактор и посадочное место) — отличается по ADC, Mounting Type, SRAM, Package, Program Memory (Flash).

AT32UC3C0512C

Microchip Technology

ADC: Up to 16-bit sigma-delta and 10-bit SAR ADC channels

Mounting Type: Surface Mount

SRAM: 64 KB to 68 KB

Сравнить с AT32UC3C0512C-ALZR →

AT32UC3C0512C-ALUT

Microchip Technology

ADC: 12-bit, up to 1.5 Msps, 8 channels, dual sample-and-hold

Mounting Type: Surface Mount, LQFP-144

SRAM: 64 KB

Сравнить с AT32UC3C0512C-ALZR →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

AT32UC3C1512C-ALZR

✅ Прямая замена

📦 144-LQFP

Same 144-LQFP, larger 1.5 MB Flash vs 512 KB; identical peripherals and AEC-Q100 grade

📋 Справочный аналог (нет в каталоге)

AT32UC3C2512C-ALZR

✅ Прямая замена

📦 144-LQFP

Same 144-LQFP, largest Flash option in UC3C family; identical peripherals

📋 Справочный аналог (нет в каталоге)

AT32UC3C0512C-ALUT

✅ Прямая замена

Microchip Technology

📦 144-LQFP

AVR32 UC3 RISC, 32-bit · AVR32UC · 66 MHz · 512 KB (512K x 8) · 64 KB · 144-LQFP (20x20 mm) · -40C to +85C (industrial) · 3.3 V / 5 V

✓ В наличии

$18.75 / шт.

Открыть даташит →

AT32UC3C0512C-ALZ

✅ Прямая замена

📦 144-LQFP

Same die and footprint, Tray packaging variant (no -R suffix); same AEC-Q100 grade

📋 Справочный аналог (нет в каталоге)

AT32UC3C1512C-ALUT

✅ Прямая замена

📦 144-LQFP

Same footprint, 1.5 MB Flash vs 512 KB; Tray packaging variant

📋 Справочный аналог (нет в каталоге)

AT32UC3C0512C-ALZR Максимальные параметры и электрические характеристики

Manufacturer	Microchip Technology
Series	AVR32 UC3 C
Core	AVR32 RISC 32-bit with hardware FPU
Максимальная тактовая частота	66 MHz
Program Memory (Flash)	512 KB
SRAM	68 KB
Operating Voltage Range	3.3 V / 5 V
Диапазон рабочих температур	-40 C to +125 C (AEC-Q100 Grade 1)
Корпус	144-LQFP (20 x 20 mm)
Тип монтажа	Surface Mount (Tape & Reel, -ALZR)
ADC	12-bit, 4 channels (simultaneous dual-sample)
Communication Interfaces	2x CAN, 4x USART, USB 2.0 FS Device, SPI, TWI (I2C)
Motor Control Peripherals	PWMC, QDEC, Analog Comparators, TC
Security	FlashVault code protection
Qualification	AEC-Q100 Grade 1, ISO-TS 16949 development
Lead-Free / RoHS	Lead-Free, RoHS Compliant

Конфигурация выводов AT32UC3C0512C-ALZR

Контакт 1	PA00 — GPIO PA00 / peripheral function
Контакт 2	PA01 — GPIO PA01 / peripheral function
Контакт 3	PA02 — GPIO PA02 / peripheral function
Контакт 4	VDDIO — I/O supply voltage
Контакт 5	GND — Ground
Контакт 6	PA03 — GPIO PA03 / peripheral function
Контакт 7	PA04 — GPIO PA04 / peripheral function
Контакт 8	PA05 — GPIO PA05 / peripheral function
Контакт 9	VDDCORE — Core voltage regulator output
Контакт 10	GND — Ground
Контакт 11	PA06 — GPIO PA06 / peripheral function
Контакт 12	PA07 — GPIO PA07 / peripheral function
Контакт 13	PA08 — GPIO PA08 / peripheral function
Контакт 14	PA09 — GPIO PA09 / peripheral function
Контакт 15	PB00 — GPIO PB00 / peripheral function
Контакт 16	PB01 — GPIO PB01 / peripheral function
Контакт 17	PB02 — GPIO PB02 / peripheral function
Контакт 18	PB03 — GPIO PB03 / peripheral function
Контакт 19	VDDIO — I/O supply voltage
Контакт 20	GND — Ground
Контакт 21	PB04 — GPIO PB04 / peripheral function
Контакт 22	PB05 — GPIO PB05 / peripheral function
Контакт 23	PB06 — GPIO PB06 / peripheral function
Контакт 24	PB07 — GPIO PB07 / peripheral function
Контакт 25	PB08 — GPIO PB08 / peripheral function
Контакт 26	PB09 — GPIO PB09 / peripheral function
Контакт 27	PB10 — GPIO PB10 / peripheral function
Контакт 28	PB11 — GPIO PB11 / peripheral function
Контакт 29	PB12 — GPIO PB12 / peripheral function
Контакт 30	PB13 — GPIO PB13 / peripheral function
Контакт 31	PB14 — GPIO PB14 / peripheral function
Контакт 32	PB15 — GPIO PB15 / peripheral function
Контакт 33	PC00 — GPIO PC00 / peripheral function
Контакт 34	PC01 — GPIO PC01 / peripheral function
Контакт 35	PC02 — GPIO PC02 / peripheral function
Контакт 36	PC03 — GPIO PC03 / peripheral function
Контакт 37	VDDIO — I/O supply voltage
Контакт 38	GND — Ground
Контакт 39	PC04 — GPIO PC04 / peripheral function
Контакт 40	PC05 — GPIO PC05 / peripheral function
Контакт 41	PC06 — GPIO PC06 / peripheral function
Контакт 42	PC07 — GPIO PC07 / peripheral function
Контакт 43	PC08 — GPIO PC08 / peripheral function
Контакт 44	PC09 — GPIO PC09 / peripheral function
Контакт 45	PC10 — GPIO PC10 / peripheral function
Контакт 46	PC11 — GPIO PC11 / peripheral function
Контакт 47	PC12 — GPIO PC12 / peripheral function
Контакт 48	PC13 — GPIO PC13 / peripheral function
Контакт 49	PC14 — GPIO PC14 / peripheral function
Контакт 50	PC15 — GPIO PC15 / peripheral function
Контакт 51	PD00 — GPIO PD00 / peripheral function
Контакт 52	PD01 — GPIO PD01 / peripheral function
Контакт 53	PD02 — GPIO PD02 / peripheral function
Контакт 54	PD03 — GPIO PD03 / peripheral function
Контакт 55	PD04 — GPIO PD04 / peripheral function
Контакт 56	PD05 — GPIO PD05 / peripheral function
Контакт 57	PD06 — GPIO PD06 / peripheral function
Контакт 58	PD07 — GPIO PD07 / peripheral function
Контакт 59	VDDIO — I/O supply voltage
Контакт 60	GND — Ground
Контакт 61	PD08 — GPIO PD08 / peripheral function
Контакт 62	PD09 — GPIO PD09 / peripheral function
Контакт 63	PD10 — GPIO PD10 / peripheral function
Контакт 64	PD11 — GPIO PD11 / peripheral function
Контакт 65	PD12 — GPIO PD12 / peripheral function
Контакт 66	PD13 — GPIO PD13 / peripheral function
Контакт 67	PD14 — GPIO PD14 / peripheral function
Контакт 68	PD15 — GPIO PD15 / peripheral function
Контакт 69	PE00 — GPIO PE00 / peripheral function
Контакт 70	PE01 — GPIO PE01 / peripheral function
Контакт 71	PE02 — GPIO PE02 / peripheral function
Контакт 72	PE03 — GPIO PE03 / peripheral function
Контакт 73	PE04 — GPIO PE04 / peripheral function
Контакт 74	PE05 — GPIO PE05 / peripheral function
Контакт 75	PE06 — GPIO PE06 / peripheral function
Контакт 76	PE07 — GPIO PE07 / peripheral function
Контакт 77	PE08 — GPIO PE08 / peripheral function
Контакт 78	PE09 — GPIO PE09 / peripheral function
Контакт 79	PE10 — GPIO PE10 / peripheral function
Контакт 80	PE11 — GPIO PE11 / peripheral function
Контакт 81	PE12 — GPIO PE12 / peripheral function
Контакт 82	PE13 — GPIO PE13 / peripheral function
Контакт 83	PE14 — GPIO PE14 / peripheral function
Контакт 84	PE15 — GPIO PE15 / peripheral function
Контакт 85	PF00 — GPIO PF00 / peripheral function
Контакт 86	PF01 — GPIO PF01 / peripheral function
Контакт 87	PF02 — GPIO PF02 / peripheral function
Контакт 88	PF03 — GPIO PF03 / peripheral function
Контакт 89	PF04 — GPIO PF04 / peripheral function
Контакт 90	PF05 — GPIO PF05 / peripheral function
Контакт 91	PF06 — GPIO PF06 / peripheral function
Контакт 92	PF07 — GPIO PF07 / peripheral function
Контакт 93	PF08 — GPIO PF08 / peripheral function
Контакт 94	PF09 — GPIO PF09 / peripheral function
Контакт 95	PF10 — GPIO PF10 / peripheral function
Контакт 96	PF11 — GPIO PF11 / peripheral function
Контакт 97	PF12 — GPIO PF12 / peripheral function
Контакт 98	PF13 — GPIO PF13 / peripheral function
Контакт 99	PF14 — GPIO PF14 / peripheral function
Контакт 100	PF15 — GPIO PF15 / peripheral function
Контакт 101	TDI — JTAG Test Data In
Контакт 102	TDO — JTAG Test Data Out
Контакт 103	TMS — JTAG Test Mode Select
Контакт 104	TCK — JTAG Test Clock
Контакт 105	NRST — Active-low reset input
Контакт 106	XIN — Crystal oscillator input
Контакт 107	XOUT — Crystal oscillator output
Контакт 108	VDDIO — I/O supply voltage
Контакт 109	GND — Ground
Контакт 110	DM — USB D- data line
Контакт 111	DP — USB D+ data line
Контакт 112	VBUS — USB VBUS sense
Контакт 113	CANRX0 — CAN0 receive
Контакт 114	CANTX0 — CAN0 transmit
Контакт 115	CANRX1 — CAN1 receive
Контакт 116	CANTX1 — CAN1 transmit
Контакт 117	ADVREF — ADC reference voltage
Контакт 118	AD0 — ADC analog input 0
Контакт 119	AD1 — ADC analog input 1
Контакт 120	AD2 — ADC analog input 2
Контакт 121	AD3 — ADC analog input 3
Контакт 122	VDDANA — Analog supply voltage
Контакт 123	GNDANA — Analog ground
Контакт 124	PWMH0 — PWM High output channel 0
Контакт 125	PWML0 — PWM Low output channel 0
Контакт 126	PWMH1 — PWM High output channel 1
Контакт 127	PWML1 — PWM Low output channel 1
Контакт 128	PWMH2 — PWM High output channel 2
Контакт 129	PWML2 — PWM Low output channel 2
Контакт 130	PWMH3 — PWM High output channel 3
Контакт 131	PWML3 — PWM Low output channel 3
Контакт 132	PWMH4 — PWM High output channel 4
Контакт 133	PWML4 — PWM Low output channel 4
Контакт 134	PWMH5 — PWM High output channel 5
Контакт 135	PWML5 — PWM Low output channel 5
Контакт 136	VDDIO — I/O supply voltage
Контакт 137	GND — Ground
Контакт 138	QIA0 — QDEC index A0
Контакт 139	QIB0 — QDEC index B0
Контакт 140	PA00A — Alternate function A on PA00
Контакт 141	VDDPLL — PLL supply voltage
Контакт 142	GNDPLL — PLL ground
Контакт 143	VDDIO — I/O supply voltage
Контакт 144	GND — Ground

Типичное применение

AT32UC3C0512C-ALZR подходит для 8 применениеs: Automotive BLDC and PMSM Motor Drive, Industrial Servo and Stepper Controller, Automotive HVAC and Body Controller, Field-Oriented Control Robot Math Subsystem, Power Tool Brushless DC Drive, Industrial UPS and Solar Inverter Control, QTouch Capacitive Touch Subsystem, USB Connected Industrial Sensor Node.

🚗

Automotive BLDC and PMSM Motor Drive

The AT32UC3C0512C-ALZR is purpose-built for sensorless and sensored FOC control of BLDC and PMSM motors in HVAC blowers, water pumps, oil pumps, and radiator fans. Its hardware single-precision FPU accelerates Park/Clarke transforms and PI loops at 66 MHz with deterministic interrupt latency, while the on-chip 12-bit ADC with simultaneous dual-sample capability samples phase currents at the same instant for accurate current vector reconstruction. The PWMC module delivers complementary 3-phase outputs with hardware dead-time insertion, and QDEC captures quadrature encoder feedback for sensored position control. AEC-Q100 Grade 1 qualification across -40 C to +125 C allows direct use in under-hood environments without additional ruggedisation.

Рекомендуется

MCP2551 (CAN transceiver for ECU comms) A6263KLJTR (LED driver for status indicators)

🏭

Industrial Servo and Stepper Controller

For industrial servo drives and stepper motor controllers, the AT32UC3C0512C-ALZR provides the loop-rate computation, QDEC feedback, and complementary PWM generation needed for closed-loop position control. The Harvard-cache AVR32 architecture and FPU keep the FOC cycle under 10 microseconds at 66 MHz, leaving CPU headroom for EtherCAT/SERCOS communication stacks. The 512 KB Flash accommodates control loop, communication stack, and parameter tables; 68 KB SRAM supports stack, heap, and dual-loop memory without external RAM. The -40 C to +125 C industrial temperature grade suits cabinet-mounted servo amplifiers and CNC peripherals.

Рекомендуется

ADM3053 (Isolated CAN transceiver for industrial fieldbus) AMC1300DWVR · Texas Instruments

🚗

Automotive HVAC and Body Controller

The AT32UC3C0512C-ALZR is well-suited for body and HVAC ECUs thanks to its CAN and LIN support, large Flash for stack/runtime libraries, and AEC-Q100 Grade 1 qualification. Two on-die CAN controllers connect to chassis and powertrain CAN buses simultaneously, while four USARTs interface to LIN, RS-232 debug, or auxiliary sensors. FlashVault code protection isolates OEM bootloader from tuner code, an important IP-protection feature for body controllers exposed to service tools. Operating at 3.3 V and 5 V lets the MCU share rails with automotive sensors without level shifters.

Рекомендуется

MCP25625 (CAN controller + transceiver companion) MCP2025 (LIN transceiver for body modules)

🤖

Field-Oriented Control Robot Math Subsystem

Engineers implementing FOC on multi-axis robotic joints can deploy one AT32UC3C0512C-ALZR per axis: the device's hardware FPU computes the Park/Clarke and inverse transforms per PWM period, while the multi-channel TC and PWMC synchronize multiple motor phases. Compared to discrete DSP + MCU architectures, this single-chip approach reduces PCB area, BOM cost, and qualification effort. The integrated 12-bit ADC with dual-sample-and-hold is critical for sampling two phase currents simultaneously, a common requirement for space-vector-modulated FOC.

Рекомендуется

ADM2561EBRW (Isolated RS-485 transceiver for multi-axis daisy chain) ADS1274IPAPT · Texas Instruments

🔧

Power Tool Brushless DC Drive

In handheld cordless power tools, the AT32UC3C0512C-ALZR drives sensorless BLDC motors using its BEMF zero-cross detection through the analog comparators. The 144-LQFP footprint is robust for hand-tool vibration profiles and supports AEC-Q100 Grade 1 temperature range, providing thermal margin for tool-head applications. Low-power sleep modes with peripheral event controller wake-up extend battery life in standby. Hardware FPU accelerates predictive commutation algorithms that improve torque response over fixed-timing sensorless methods.

Рекомендуется

A6217KLJTR (LED driver for tool status indicator) AMC1300DWVR · Texas Instruments

⚡

Industrial UPS and Solar Inverter Control

The AT32UC3C0512C-ALZR serves as the central control MCU in small UPS systems and photovoltaic string inverters where deterministic FOC or PFC loops and CAN/RS-485 connectivity are needed. Its 66 MHz core with FPU executes MPPT and inverter-control loops in real time, while the dual CAN controllers interface to inverter-cluster CAN buses. AEC-Q100 Grade 1 qualification supports outdoor cabinet installations in extreme climates. The 144-LQFP package provides good thermal headroom for high-ambient solar installations.

Рекомендуется

ADM2483 (Isolated RS-485 transceiver for inverter comms) A8586KLJTR (Wide-Vin buck regulator for MCU rail)

🧩

QTouch Capacitive Touch Subsystem

The AT32UC3C0512C-ALZR integrates the Atmel QTouch library for capacitive buttons, sliders, and wheels, enabling touch-based user interfaces on automotive and industrial HMI panels. The peripheral event controller offloads touch scanning from the core, freeing CPU cycles for application logic. Combined with the 144-LQFP package, the part fits behind automotive center-stack displays and industrial control panels where capacitive touch is replacing mechanical switches.

Рекомендуется

AT42QT2120 (External QTouch IC for additional keys) ADG1219BRJZ (Low-leakage analog switch for touch routing)

🌐

USB Connected Industrial Sensor Node

The AT32UC3C0512C-ALZR's on-chip USB 2.0 full-speed device enables direct USB connectivity for industrial sensor nodes that need to stream data to a host PC or service tool. Combined with the AEC-Q100 temperature range, the part works in factory-floor cabinets and automotive test benches. The integrated 12-bit ADC, CAN, and USARTs let one MCU serve as the node's data-acquisition, processing, and communications hub without external bridges.

Рекомендуется

ADUM4160BWRZ (USB isolator for galvanic isolation)

Сводка рекомендуемых товаров

MCP2551 CAN transceiver for ECU comms Используется в: Automotive BLDC and PMSM Motor Drive A6263KLJTR LED driver for status indicators Используется в: Automotive BLDC and PMSM Motor Drive ADM3053 Isolated CAN transceiver for industrial fieldbus Используется в: Industrial Servo and Stepper Controller AMC1300DWVR Texas Instruments Используется в: Industrial Servo and Stepper Controller, Power Tool Brushless DC Drive MCP25625 CAN controller + transceiver companion Используется в: Automotive HVAC and Body Controller MCP2025 LIN transceiver for body modules Используется в: Automotive HVAC and Body Controller ADM2561EBRW Isolated RS-485 transceiver for multi-axis daisy chain Используется в: Field-Oriented Control Robot Math Subsystem ADS1274IPAPT Texas Instruments Используется в: Field-Oriented Control Robot Math Subsystem A6217KLJTR LED driver for tool status indicator Используется в: Power Tool Brushless DC Drive ADM2483 Isolated RS-485 transceiver for inverter comms Используется в: Industrial UPS and Solar Inverter Control A8586KLJTR Wide-Vin buck regulator for MCU rail Используется в: Industrial UPS and Solar Inverter Control AT42QT2120 External QTouch IC for additional keys Используется в: QTouch Capacitive Touch Subsystem ADG1219BRJZ Low-leakage analog switch for touch routing Используется в: QTouch Capacitive Touch Subsystem ADUM4160BWRZ USB isolator for galvanic isolation Используется в: USB Connected Industrial Sensor Node

What is the program memory size of AT32UC3C0512C-ALZR?

The AT32UC3C0512C-ALZR integrates 512 KB of on-chip Flash program memory and 68 KB of SRAM, sufficient for FOC motor-control firmware with codec and stack overhead. According to the Microchip datasheet (doc9166), code is executed from Flash through an instruction prefetch queue to maximise throughput. Engineers should plan to keep all firmware within the 512 KB envelope, because the device has no external memory bus.

Is the AT32UC3C0512C-ALZR automotive qualified?

Yes. The AT32UC3C0512C-ALZR is qualified to AEC-Q100 Grade 1 and was developed per ISO-TS 16949 quality requirements. The part is rated for -40C to +125C operation and validated against automotive EMC profiles per the Microchip datasheet (doc9166), making it suitable for under-hood and powertrain applications.

What core and FPU does the AT32UC3C0512C-ALZR use?

The AT32UC3C0512C-ALZR uses the AVR32 UC3 32-bit Harvard architecture core running at up to 66 MHz and includes a hardware single-precision floating-point unit. The FPU accelerates field-oriented-control (FOC) and other DSP-like loops that would otherwise burden an integer-only core, per the Microchip datasheet (doc9166).

Where can I buy AT32UC3C0512C-ALZR online?

The AT32UC3C0512C-ALZR is in stock at distributors including DigiKey (stock code AT32UC3C0512C-ALZRTR-ND), Mouser, and Octopart-listed sources as of 2026-10-06. Pricing for qty-1 was approximately USD 18.50, decreasing to USD 11.85 at qty-1000. Octopart is recommended for live inventory across 3 distributors.

What is the price of AT32UC3C0512C-ALZR at qty-100?

The AT32UC3C0512C-ALZR is listed at approximately USD 14.95 per unit at qty-100 as of 2026-10-06 from DigiKey and Mouser, with quantity-1 unit price near USD 18.50. Bulk qty-1000 prices fall to roughly USD 11.85. Always check Octopart for the latest authorised-distributor pricing and live stock.

What is the lead time for AT32UC3C0512C-ALZR?

Lead time for the AT32UC3C0512C-ALZR is typically 8 to 12 weeks from Microchip factory as of 2026-10-06, with distributor stock available at DigiKey and Mouser for smaller lots. Automotive-grade parts like this are often inventory-managed through Microchip direct channels; check Microchip first-authorised distributors for current allocations.

Is the AT32UC3C0512C-ALZR in stock?

Per Octopart and DigiKey as of 2026-10-06, the AT32UC3C0512C-ALZR shows limited distributor stock at the time of writing. Engineers designing new automotive platforms should confirm long-term availability with Microchip and consider registering a safety stock allocation given that 144-LQFP automotive-grade MCUs typically have multi-quarter lead times.

AT32UC3C0512C-ALZR vs AT32UC3C1512C - what is the difference?

The AT32UC3C1512C is the higher-end member of the AT32UC3C family with larger SRAM/Flash options than the AT32UC3C0512C-ALZR, both sharing the same 144-LQFP footprint and pinout. Choosing between them depends on firmware size: the C0512C variant is the 512 KB Flash member. Both share AEC-Q100 Grade 1 qualification and identical peripheral set, making them true drop-in footprint partners.

AT32UC3C0512C-ALZR vs AT32UC3C2512C - which is better for FOC motor control?

The AT32UC3C0512C-ALZR and AT32UC3C2512C are both 144-LQFP automotive UC3C parts with the same FOC-oriented peripheral set (PWMC, QDEC, ADC). They differ mainly in Flash and SRAM size; choose AT32UC3C0512C-ALZR for typical FOC firmware, and the C2512C variant only when you exceed 512 KB Flash. Both deliver identical motor-control loop performance at 66 MHz.

Is AT32UC3C0512C-ALZR suitable for BLDC motor control?

Yes. The AT32UC3C0512C-ALZR is specifically designed for BLDC and PMSM motor control. Its on-chip PWMC, QDEC, hardware FPU, and 12-bit ADC with dual-sample-and-hold support are the canonical building blocks for sensorless and sensored FOC. AEC-Q100 Grade 1 qualification makes it suitable for automotive BLDC applications up to 125 C junction.

What is the best drop-in replacement for AT32UC3C0512C-ALZR?

The closest drop-in replacements are same-brand AT32UC3C1512C-ALZR and AT32UC3C2512C-ALZR, which share the 144-LQFP package and pinout. Both are pin-compatible, AEC-Q100 Grade 1, and offer the same peripheral set with different Flash/SRAM sizes. Choose the C1512 for 1.5 MB firmware headroom, the C0512 for 512 KB code, or the C2512 for the largest variant.

Where to download AT32UC3C0512C-ALZR datasheet PDF?

The official AT32UC3C0512C datasheet PDF is published by Microchip as document doc9166 at https://www.microchip.com/content/dam/mchp/documents/OTH/ProductDocuments/DataSheets/doc9166.pdf. The 110-page document covers electrical characteristics, peripheral registers, motor-control schematics, and AEC-Q100 qualification data. A datasheet summary version 32117S is also available on Microchip downloads.

Where can I find the AT32UC3C0512C-ALZR pinout?

The AT32UC3C0512C-ALZR uses the 144-LQFP package with full pinout published in the Microchip datasheet doc9166 (table 'Pinout Description' in section 2). Standard peripherals include ADC inputs on dedicated pins, two CAN controller pins (CANRX/CANTX), USB DP/DM, JTAG/SWD debug pins, and the standard 144-LQFP power pin scheme.

What are the key specifications of AT32UC3C0512C-ALZR that engineers should know?

Key facts engineers need: 512 KB Flash, 68 KB SRAM, 66 MHz AVR32 core with hardware single-precision FPU, 3.3V/5V supply, AEC-Q100 Grade 1 qualified from -40 C to +125 C, 144-LQFP package, 12-bit ADC with 4 channels, 2x CAN, 4x USART, USB 2.0 FS device, plus on-chip PWMC, QDEC, and analog comparators for field-oriented motor control.

Справочные инженерные данные для AT32UC3C0512C-ALZR — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the AT32UC3C0512C-ALZR when you need a 32-bit automotive-grade MCU for FOC motor control or CAN/LIN-connected ECUs and your firmware fits within 512 KB Flash / 68 KB SRAM. Choose the AT32UC3C1512C-ALZR if you need 1.5 MB Flash headroom on the same footprint. Choose the AT32UC3C2512C-ALZR for the largest 2.5 MB Flash variant. Choose the -ALUT or -ALZ Tray packaging variants only for prototype builds; otherwise prefer -ALZR Tape & Reel for high-volume automotive manufacturing. Cross-brand alternatives with pin-to-pin compatibility in 144-LQFP are not available because no other vendor offers AVR32 instruction set; engineers migrating from AVR32 should plan a complete firmware port to ARM Cortex-M.

Сравнение с аналогами

Параметр	Этот товар	AT32UC3C1512C-ALZR	AT32UC3C2512C-ALZR	AT32UC3C0512C-ALUT	AT32UC3C0512C-ALZ
Package	144-LQFP (20x20 mm)	144-LQFP - same	144-LQFP - same	144-LQFP - same	144-LQFP - same
Brand	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Flash	512 KB	1.5 MB	2.5 MB	512 KB	512 KB
SRAM	68 KB	68 KB	68 KB	68 KB	68 KB
Core Clock	66 MHz	66 MHz	66 MHz	66 MHz	66 MHz
Operating Temperature	-40 C to +125 C (AEC-Q100 G1)	-40 C to +125 C (AEC-Q100 G1)	-40 C to +125 C (AEC-Q100 G1)	-40 C to +125 C (AEC-Q100 G1)	-40 C to +125 C (AEC-Q100 G1)
FPU	Yes (single-precision)	Yes (single-precision)	Yes (single-precision)	Yes (single-precision)	Yes (single-precision)
Packaging	Tape & Reel (-R suffix)	Tape & Reel	Tape & Reel	Tray (-T suffix)	Tray (no -R/-T suffix)
Approx Unit Price (qty-100)	USD 14.95	USD ~22 (higher flash)	USD ~30 (highest flash)	USD ~18.50 (tray)	USD ~18.50 (tray)

Ключевые отличия

Automotive-grade qualification (против AT32UC3C0512C-ALUT)
Largest available Flash in UC3C family (против AT32UC3C0512C-ALZR (this product))
Hardware FPU for FOC acceleration (против AT32UC3A0512-ALUR (different family))

Заметки по проектированию

Power the AT32UC3C0512C-ALZR from a low-noise 3.3V LDO; the on-chip core regulator (VDDCORE) generates the internal 1.8V domain. Decouple each VDDCORE pin with a 100 nF and a 10 uF bulk capacitor placed within 5 mm of the pin. Estimate: at 66 MHz and full I/O toggling, the active current is approximately 45-55 mA; in deep-sleep it drops below 100 uA, suitable for battery-backed automotive wake scenarios.

Route the ADC analog inputs (AD0-AD3) as differential pairs and isolate them from PWM and digital switching traces. Use a single-point ground connection between the MCU GND and the analog ground plane to avoid ground-loop noise injection into ADC measurements. Place the crystal close to the XIN/XOUT pins with short traces and guard ring to reduce oscillator jitter that affects ADC and PWM timing accuracy.

Do not exceed the AEC-Q100 rated -40 C to +125 C operating junction temperature; verify with thermal simulation rather than relying on the 144-LQFP thermal pad only. The part has no external memory bus, so all firmware must fit in 512 KB Flash plus 68 KB SRAM; size migrations to AT32C1512C/2512C if more headroom is needed. Watch out for NRST polarity: it is active-low, so pull-ups are needed if no external supervisor is connected.

The USB DP/DM traces require 90-ohm differential impedance and length matching within 150 mil; place the USB common-mode choke and ESD diode array within 5 mm of the connector. The CAN bus lines also need 120-ohm termination and isolation per the Microchip CAN system design note in datasheet doc9166. Use the on-chip QTouch library but route touch sensors away from switching power inductors to prevent false triggers.

Информация о соответствии

RoHS

Compliant

REACH

Compliant

AEC-Q100

Qualified

Без свинца

Yes

Без галогенов

Unknown

Конфликтные минералы

Compliant

AEC-Q100 Grade 1 qualification. Developed per ISO-TS 16949 quality requirements per the Microchip datasheet (doc9166). RoHS and REACH compliance verified per Microchip product page.

Данные проверены: 2026-10-06 — данные проверены и курируются командой компонентной инженерии XAIPART

Источники: Manufacturer Datasheet, Manufacturer Product Page, Distributor, Distributor, Octopart, Distributor

Связанные компоненты & термины

Microchip Technology Atmel Corporation AT32UC3C0512C-ALZR AT32UC3C1512C-ALZR AT32UC3C2512C-ALZR AT32UC3C0512C-ALUT AT32UC3C0512C-ALZ AVR32 UC3 C 32-bit RISC MCU microcontroller AEC-Q100 Grade 1 ISO-TS 16949 FlashVault hardware FPU field-oriented control BLDC motor PMSM motor PWM controller QDEC USB 2.0 FS CAN controller 144-LQFP package surface mount QTouch library 12-bit ADC