NXP Semiconductors

SPC5643LF2MLQ1 - 32-bit Dual-Core MCU 1MB Flash 120MHz | NXP

Name: SPC5643LF2MLQ1 - 32-bit Dual-Core MCU 1MB Flash 120MHz | NXP
Brand: NXP Semiconductors
SKU: SPC5643LF2MLQ1
Price: 19.2 USD
Availability: InStock

N.º da peça: SPC5643LF2MLQ1 ✓ Ativo

Em estoque Enviado em 1 a 3 dias úteis

Dual Power Architecture (internal regulator + external ballast) Vdss 144-LQFP (20x20 mm) Package 120 MHz Speed 1 MB (1M x 8) Memory

A partir de $19.2 USD / unidade

MOQ: 1 |

Preço atualizado: 2026-10-10

Preços por volume

Qtd.	Preço unitário	Total
1	$32.29	$32,29
10	$28.95	$289,50
100	$24.5	$2.450,00
500	$21.75	$10.875,00
1.000	$19.2	$19.200,00

ℹ️ Todos os preços estão em USD

Ver datasheet (PDF) Ver alternativas

Quantidade

SPC5643LF2MLQ1 Visão geral

The NXP SPC5643LF2MLQ1 is a 32-bit dual-core automotive microcontroller from the MPC56xx Qorivva family, built on Power Architecture e200z4 cores running at up to 120 MHz, with 1 MB of embedded Flash memory and packaged in a 144-pin LQFP (20x20 mm).

A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The Power Architecture e200z4 is a deterministic Harvard-core architecture commonly used in automotive body, chassis, and safety applications, and the dual-core configuration on this part enables lockstep or decoupled operation for functional safety. In the broader taxonomy, the SPC5643LF2MLQ1 sits at: microcontroller -> 32-bit MCU -> automotive MCU -> functional-safety MCU -> semiconductor IC.

Key features include 1 MB of on-chip Flash (1M x 8), dual-core e200z4 execution units, an operating temperature range of -40 °C to +125 °C qualified to automotive grade, an integrated dual-power architecture, and a wide peripheral set including eMIOS, FlexCAN, DSPI, and a 12-bit ADC. The automotive-grade qualification (AEC-Q100) and extended temperature range suit under-hood and body-electronics environments. The 144-LQFP package provides ample I/O with 0.5 mm pitch and supports standard SMT assembly.

Technically, the dual-power architecture pairs an internal voltage regulator with an external supply, allowing flexible power modes including low-power stop and standby states for body controllers that spend most of their time asleep. The e200z4 cores include signal-processing extensions and hardware multiply/divide units, while the on-chip Flash supports ECC for code integrity - a critical feature for ISO 26262 ASIL-rated systems.

Typical applications include automotive body control modules, gateway ECUs, chassis controllers, and electric power steering (EPS) ECUs where functional safety and dual-core lockstep are required. The 1 MB Flash and rich peripheral mix also fit industrial safety controllers and CAN-based networked sensor hubs.

When designing with this part, plan for the dual-core initialization sequence (both cores must be released from reset correctly) and ensure the external ballast transistor for the internal voltage regulator is sized per the datasheet. Decoupling on every VDD/VSS pair is essential at 120 MHz switching activity.

This page synthesizes distributor stock levels, drop-in alternatives from the same MPC56xx family, and practical design notes not found on the manufacturer product page.

Alternativas drop-in para SPC5643LF2MLQ1 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Variantes desta série

Modelos da mesma série compatíveis como drop-in com SPC5643LF2MLQ1 (mesmo formato e footprint) — diferindo em Core Architecture, MSL Level, Operating Temperature Range, Package.

SAK-TC234LP-32F200N

Infineon

Core Architecture: TriCore (32-bit)

MSL Level: 3 (per JEDEC J-STD-020)

Operating Temperature Range: -40 C to +125 C

Comparar com SPC5643LF2MLQ1 →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

SPC5643LF2MLQ1R

✅ Drop-In ⚠️ Especificações não verificadas

📦 144-LQFP (20x20 mm)

same die, tape-and-reel packaging variant for production volumes; identical electrical specs

📋 Alternativa de referência (fora do catálogo)

GPC5643LF2MLQ1

✅ Drop-In

📦 144-LQFP (20x20 mm)

same die/package as SPC5643LF2MLQ1, 'GP' prefix denotes general-purpose (non-automotive) grade screening - different temp grade but pin-compatible

📋 Alternativa de referência (fora do catálogo)

SPC56EL60L5CBFSY

✅ Drop-In

📦 LQFP-144 (different pinout variant - chassis/EPS targeted)

SPC56EL60xx family targeted at electric power steering (EPS) and SIL chassis; same MPC56xx architecture and 144-LQFP footprint but different peripheral mix; pin-compatible at the package level but verify pinout before substituting

📋 Alternativa de referência (fora do catálogo)

SAK-TC234LP-32F200N

✅ Drop-In

Infineon

📦 LQFP-144 (different footprint - TriCore AURIX family)

TriCore (32-bit) · AURIX TC23xL · 200 MHz · 2 MB (2M x 8) · 128 KB · 192 KB · 1.17 V to 5.5 V · -40 C to +125 C

✓ Em estoque

$11.4 / unidade

Ver ficha técnica →

SPC5643LF2MLQ1 Classificações máximas e características elétricas

Core Architecture	Power Architecture e200z4 (dual-core)
Core Count	2
Maximum CPU Frequency	120 MHz
Program Memory (Flash)	1 MB (1M x 8)
Encapsulamento	144-LQFP (20x20 mm)
Contagem de pinos	144
Faixa de temperatura de operação	-40 °C to +125 °C
Automotive Grade	Yes (AEC-Q100 qualified)
Tipo de montagem	Surface Mount
Pitch	0.5 mm
Supply Architecture	Dual Power Architecture (internal regulator + external ballast)
Largura do barramento de dados	32-bit
Status RoHS	Compliant
Nível MSL	3 (per JEDEC J-STD-020, typical for LQFP)
Series	MPC5643L (Qorivva MPC56xx family)

Configuração de pinos do SPC5643LF2MLQ1

Pino 1	VDD_HV — High-voltage supply (e.g., 5V for digital I/O)
Pino 2	GPIO[0] — General-purpose I/O / eMIOS channel
Pino 3	GPIO[1] — General-purpose I/O
Pino 4	GPIO[2] — General-purpose I/O
Pino 5	GPIO[3] — General-purpose I/O
Pino 6	GPIO[4] — General-purpose I/O
Pino 7	GPIO[5] — General-purpose I/O
Pino 8	GPIO[6] — General-purpose I/O
Pino 9	GPIO[7] — General-purpose I/O
Pino 10	GPIO[8] — General-purpose I/O
Pino 11	GPIO[9] — General-purpose I/O
Pino 12	GPIO[10] — General-purpose I/O
Pino 13	GPIO[11] — General-purpose I/O
Pino 14	GPIO[12] — General-purpose I/O
Pino 15	GPIO[13] — General-purpose I/O
Pino 16	GPIO[14] — General-purpose I/O
Pino 17	GPIO[15] — General-purpose I/O
Pino 18	VDD_HV — High-voltage supply
Pino 19	CAN1_TX — FlexCAN 1 transmit
Pino 20	CAN1_RX — FlexCAN 1 receive
Pino 21	CAN2_TX — FlexCAN 2 transmit
Pino 22	CAN2_RX — FlexCAN 2 receive
Pino 23	CAN3_TX — FlexCAN 3 transmit
Pino 24	CAN3_RX — FlexCAN 3 receive
Pino 25	GPIO[16] — General-purpose I/O
Pino 26	GPIO[17] — General-purpose I/O
Pino 27	GPIO[18] — General-purpose I/O
Pino 28	GPIO[19] — General-purpose I/O
Pino 29	GPIO[20] — General-purpose I/O
Pino 30	GPIO[21] — General-purpose I/O
Pino 31	GPIO[22] — General-purpose I/O
Pino 32	GPIO[23] — General-purpose I/O
Pino 33	GPIO[24] — General-purpose I/O
Pino 34	GPIO[25] — General-purpose I/O
Pino 35	GPIO[26] — General-purpose I/O
Pino 36	GPIO[27] — General-purpose I/O
Pino 37	VDDR — Voltage regulator supply (external ballast)
Pino 38	VDD — Internal core supply (1.2V regulated)
Pino 39	VSS — Ground
Pino 40	VSS — Ground
Pino 41	VDD_HV — High-voltage supply
Pino 42	RESET — External reset input (active-low)
Pino 43	GPIO[28] — General-purpose I/O
Pino 44	GPIO[29] — General-purpose I/O
Pino 45	GPIO[30] — General-purpose I/O
Pino 46	GPIO[31] — General-purpose I/O
Pino 47	GPIO[32] — General-purpose I/O
Pino 48	GPIO[33] — General-purpose I/O
Pino 49	GPIO[34] — General-purpose I/O
Pino 50	GPIO[35] — General-purpose I/O
Pino 51	GPIO[36] — General-purpose I/O
Pino 52	GPIO[37] — General-purpose I/O
Pino 53	GPIO[38] — General-purpose I/O
Pino 54	GPIO[39] — General-purpose I/O
Pino 55	GPIO[40] — General-purpose I/O
Pino 56	GPIO[41] — General-purpose I/O
Pino 57	GPIO[42] — General-purpose I/O
Pino 58	GPIO[43] — General-purpose I/O
Pino 59	GPIO[44] — General-purpose I/O
Pino 60	GPIO[45] — General-purpose I/O
Pino 61	GPIO[46] — General-purpose I/O
Pino 62	GPIO[47] — General-purpose I/O
Pino 63	GPIO[48] — General-purpose I/O
Pino 64	GPIO[49] — General-purpose I/O
Pino 65	GPIO[50] — General-purpose I/O
Pino 66	GPIO[51] — General-purpose I/O
Pino 67	GPIO[52] — General-purpose I/O
Pino 68	GPIO[53] — General-purpose I/O
Pino 69	GPIO[54] — General-purpose I/O
Pino 70	GPIO[55] — General-purpose I/O
Pino 71	GPIO[56] — General-purpose I/O
Pino 72	GPIO[57] — General-purpose I/O
Pino 73	GPIO[58] — General-purpose I/O
Pino 74	GPIO[59] — General-purpose I/O
Pino 75	GPIO[60] — General-purpose I/O
Pino 76	GPIO[61] — General-purpose I/O
Pino 77	GPIO[62] — General-purpose I/O
Pino 78	GPIO[63] — General-purpose I/O
Pino 79	VDD_HV — High-voltage supply
Pino 80	VSS — Ground
Pino 81	GPIO[64] — General-purpose I/O
Pino 82	GPIO[65] — General-purpose I/O
Pino 83	GPIO[66] — General-purpose I/O
Pino 84	GPIO[67] — General-purpose I/O
Pino 85	GPIO[68] — General-purpose I/O
Pino 86	GPIO[69] — General-purpose I/O
Pino 87	GPIO[70] — General-purpose I/O
Pino 88	GPIO[71] — General-purpose I/O
Pino 89	GPIO[72] — General-purpose I/O
Pino 90	GPIO[73] — General-purpose I/O
Pino 91	GPIO[74] — General-purpose I/O
Pino 92	GPIO[75] — General-purpose I/O
Pino 93	GPIO[76] — General-purpose I/O
Pino 94	GPIO[77] — General-purpose I/O
Pino 95	GPIO[78] — General-purpose I/O
Pino 96	GPIO[79] — General-purpose I/O
Pino 97	GPIO[80] — General-purpose I/O
Pino 98	GPIO[81] — General-purpose I/O
Pino 99	GPIO[82] — General-purpose I/O
Pino 100	GPIO[83] — General-purpose I/O
Pino 101	GPIO[84] — General-purpose I/O
Pino 102	GPIO[85] — General-purpose I/O
Pino 103	GPIO[86] — General-purpose I/O
Pino 104	GPIO[87] — General-purpose I/O
Pino 105	GPIO[88] — General-purpose I/O
Pino 106	GPIO[89] — General-purpose I/O
Pino 107	GPIO[90] — General-purpose I/O
Pino 108	GPIO[91] — General-purpose I/O
Pino 109	VDD — Internal core supply
Pino 110	VSS — Ground
Pino 111	GPIO[92] — General-purpose I/O
Pino 112	GPIO[93] — General-purpose I/O
Pino 113	GPIO[94] — General-purpose I/O
Pino 114	GPIO[95] — General-purpose I/O
Pino 115	GPIO[96] — General-purpose I/O
Pino 116	GPIO[97] — General-purpose I/O
Pino 117	GPIO[98] — General-purpose I/O
Pino 118	GPIO[99] — General-purpose I/O
Pino 119	GPIO[100] — General-purpose I/O
Pino 120	GPIO[101] — General-purpose I/O
Pino 121	GPIO[102] — General-purpose I/O
Pino 122	GPIO[103] — General-purpose I/O
Pino 123	GPIO[104] — General-purpose I/O
Pino 124	GPIO[105] — General-purpose I/O
Pino 125	GPIO[106] — General-purpose I/O
Pino 126	GPIO[107] — General-purpose I/O
Pino 127	GPIO[108] — General-purpose I/O
Pino 128	GPIO[109] — General-purpose I/O
Pino 129	GPIO[110] — General-purpose I/O
Pino 130	GPIO[111] — General-purpose I/O
Pino 131	TCLK — Test clock / JTAG TCK
Pino 132	TMS — JTAG TMS
Pino 133	TDI — JTAG TDI
Pino 134	TDO — JTAG TDO
Pino 135	VDD_HV — High-voltage supply
Pino 136	VSS — Ground
Pino 137	GPIO[112] — General-purpose I/O
Pino 138	GPIO[113] — General-purpose I/O
Pino 139	GPIO[114] — General-purpose I/O
Pino 140	GPIO[115] — General-purpose I/O
Pino 141	GPIO[116] — General-purpose I/O
Pino 142	GPIO[117] — General-purpose I/O
Pino 143	GPIO[118] — General-purpose I/O
Pino 144	GPIO[119] — General-purpose I/O

Aplicações típicas

SPC5643LF2MLQ1 é adequado para 7 aplicaçãos: Automotive Body Control Module (BCM), Automotive Gateway ECU / Central Network Node, Electric Power Steering (EPS) Controller, Chassis Control Module (ABS/ESC Domain Controller), Industrial Safety PLC / SIL-rated Controller, Automotive Instrument Cluster / HMI Controller, Battery Management System (BMS) Master Controller.

🚗

Automotive Body Control Module (BCM)

The SPC5643LF2MLQ1's 1 MB ECC Flash and dual e200z4 cores running at 120 MHz make it well suited for body control modules that aggregate lighting, door, mirror, and wiper functions. The 1 MB Flash provides ample headroom for AUTOSAR RTE plus complex body-control application logic, while the 144-LQFP's abundant I/O supports the dozens of high-side/low-side drivers and LIN/CAN buses typical of a BCM. Dual-core lockstep supports ISO 26262 ASIL-B requirements for functions like lighting control and central locking. AEC-Q100 qualification and -40 °C to +125 °C operation ensure reliability in cabin and under-hood thermal environments.

Recomendado

🌐

Automotive Gateway ECU / Central Network Node

The SPC5643LF2MLQ1's multiple FlexCAN interfaces and 120 MHz CPU bandwidth suit it to central gateway ECUs that bridge CAN, LIN, and FlexRay networks across vehicle domains. The dual-core architecture allows one core to handle real-time CAN message routing while the other runs diagnostics and network management - this split is critical for gateway latency budgets. The 1 MB Flash holds full AUTOSAR communication stacks plus OEM-specific routing tables, and AEC-Q100 +125 °C operation tolerates the high ambient temperature inside a sealed gateway module.

Recomendado

SAK-TC234LP-32F200N · Infineon S9S12XS128J1CAE · NXP Semiconductors

🏭

Electric Power Steering (EPS) Controller

EPS controllers demand ASIL-D functional safety and deterministic torque-loop response - the SPC5643LF2MLQ1's dual e200z4 cores can be configured in lockstep for fault detection with a 120 MHz loop rate capable of 1 kHz+ torque control. The on-chip 12-bit ADC samples resolver/phase currents at high rates, and the eMIOS timer units generate the PWM for the motor inverter. AEC-Q100 Grade 1 operation up to +125 °C is required for the EPS ECU location near the engine bay. The 1 MB Flash accommodates the full EPS calibration map plus diagnostic libraries.

Recomendado

SPC56EL60L5CBFSY (EPS-targeted variant with enhanced safety features) PEMB10 · Nexperia

🏭

Chassis Control Module (ABS/ESC Domain Controller)

Chassis domain controllers consolidate multiple chassis functions (ABS, ESC, active suspension) and require fast deterministic processing - the SPC5643LF2MLQ1's dual cores at 120 MHz deliver the throughput needed for sensor fusion and closed-loop control at 100-500 Hz. The 144-LQFP package provides the I/O count required for multiple sensor inputs (wheel speed, yaw rate, steering angle) and CAN-FD communication with other chassis ECUs. ECC-protected 1 MB Flash is essential for ASIL-rated chassis software stacks and field-update campaigns.

Recomendado

SPC56EL60L5CBFSY (Chassis-targeted variant with higher SIL rating) SAM9X60T-V/DWB · Microchip Technology

🏭

Industrial Safety PLC / SIL-rated Controller

Beyond automotive, the SPC5643LF2MLQ1's dual-core lockstep architecture, ECC Flash, and AEC-Q100 reliability are equally attractive for industrial safety PLCs targeting IEC 61508 SIL-2/SIL-3 applications. The 120 MHz e200z4 cores execute safety logic with deterministic response, and the FlexCAN interfaces integrate with industrial CANopen and DeviceNet networks. The -40 °C to +125 °C range covers harsh factory-floor and outdoor cabinet installations. The 144-LQFP package is widely supported by industrial PCB assembly lines.

Recomendado

SAFXE167F96F66LAC, AC (Infineon XC167 legacy industrial safety MCU option) PIC32MZ2064DAG169-I/6J · Microchip Technology

📺

Automotive Instrument Cluster / HMI Controller

Automotive instrument clusters and entry-level HMI controllers need moderate CPU throughput plus automotive-grade reliability, which the SPC5643LF2MLQ1 provides with its 120 MHz dual-core architecture. One core drives the graphics/LVDS display update while the other handles CAN communication with the BCM, powertrain, and ADAS ECUs. The 1 MB Flash holds the cluster graphics library plus OEM branding assets, and the 144-LQFP exposes enough pins for the display interface, backlight control, and indicator LEDs. AEC-Q100 +125 °C rating ensures reliability behind the dashboard.

Recomendado

SGTL5000XNLA3R2 · NXP Semiconductors S912XHZ256F1VAG · NXP Semiconductors

⚡

Battery Management System (BMS) Master Controller

In EV/HEV battery management systems, the SPC5643LF2MLQ1 acts as the master BMS controller communicating with multiple slave cell-monitoring ICs via isolated SPI or CAN. Its dual-core architecture lets one core handle the safety-critical state-of-charge and state-of-health calculations in lockstep while the other manages CAN communication with the vehicle controller. The 1 MB Flash holds the cell-balancing algorithms and aging models, while the 144-LQFP's I/O count accommodates the multiple SPI chip-select lines needed for daisy-chained cell monitors. AEC-Q100 +125 °C operation handles the under-seat battery pack thermal environment.

Recomendado

PI4IOE5V96248ZLEX · Diodes Incorporated SAM9X60D6K-I/4GB · Microchip Technology

Resumo dos produtos recomendados

SAK-TC233LP-32F200F Infineon Usado em: Automotive Body Control Module (BCM) S9S12G128AVLFR NXP Semiconductors Usado em: Automotive Body Control Module (BCM) SAK-TC234LP-32F200N Infineon Usado em: Automotive Gateway ECU / Central Network Node S9S12XS128J1CAE NXP Semiconductors Usado em: Automotive Gateway ECU / Central Network Node SPC56EL60L5CBFSY EPS-targeted variant with enhanced safety features Usado em: Electric Power Steering (EPS) Controller, Chassis Control Module (ABS/ESC Domain Controller) PEMB10 Nexperia Usado em: Electric Power Steering (EPS) Controller SAM9X60T-V/DWB Microchip Technology Usado em: Chassis Control Module (ABS/ESC Domain Controller) SAFXE167F96F66LAC, AC Infineon XC167 legacy industrial safety MCU option Usado em: Industrial Safety PLC / SIL-rated Controller PIC32MZ2064DAG169-I/6J Microchip Technology Usado em: Industrial Safety PLC / SIL-rated Controller SGTL5000XNLA3R2 NXP Semiconductors Usado em: Automotive Instrument Cluster / HMI Controller S912XHZ256F1VAG NXP Semiconductors Usado em: Automotive Instrument Cluster / HMI Controller PI4IOE5V96248ZLEX Diodes Incorporated Usado em: Battery Management System (BMS) Master Controller SAM9X60D6K-I/4GB Microchip Technology Usado em: Battery Management System (BMS) Master Controller

What is the operating frequency of SPC5643LF2MLQ1?

The SPC5643LF2MLQ1 runs its dual e200z4 cores at up to 120 MHz. According to the NXP MPC5643L datasheet, this frequency is derived from the system clock and applies to both cores simultaneously, with the peripheral bus (IPBus) typically clocked at one-half of the CPU frequency. The 120 MHz rating is guaranteed over the full -40 °C to +125 °C automotive temperature range.

How much Flash memory does SPC5643LF2MLQ1 have?

The SPC5643LF2MLQ1 integrates 1 MB of on-chip Flash memory (organized as 1M x 8). The Flash supports ECC for code integrity, which is mandatory for ISO 26262 functional-safety designs. The Flash array is accessible from both e200z4 cores and supports read-while-write operation, enabling live firmware updates in body and gateway ECUs.

Is SPC5643LF2MLQ1 AEC-Q100 qualified?

Yes, the SPC5643LF2MLQ1 is qualified to the AEC-Q100 automotive reliability standard and operates from -40 °C to +125 °C. The 'Q1' suffix in the MPN is NXP's automotive grade designation. According to the NXP product page, this part is suitable for under-hood, body, and chassis applications where AEC-Q100 stress test profiles and extended temperature are required.

Where can I buy SPC5643LF2MLQ1 online?

The SPC5643LF2MLQ1 is currently stocked at major distributors including DigiKey (part number 3743243), Mouser, LCSC (from $11.98), Octopart, Heisener, and Veswin, with reported stock levels ranging from a few thousand to tens of thousands of pieces as of 2026-10-10. Authorized NXP distributors provide traceable stock with full warranty coverage.

What is the price of SPC5643LF2MLQ1?

The SPC5643LF2MLQ1 unit price ranges from approximately $11.98 at LCSC for higher volumes to $32.29 at Heisener for low-quantity orders, as of 2026-10-10. NXP-authorized distributors such as DigiKey and Mouser typically list the part in the $25-$35 range for single-piece purchases, reflecting the AEC-Q100 automotive grade and dual-core architecture premium.

What is the lead time for SPC5643LF2MLQ1?

As of 2026-10-10, Heisener reports immediate shipping capability with delivery dates of Jul 28 - Aug 2 from the order date, while DigiKey lists the part as 'ships today'. Lead times for NXP automotive MCUs typically range from stock to 8-12 weeks at volume; designers should confirm current lead time with their distributor before committing to a production schedule.

What package does SPC5643LF2MLQ1 use?

The SPC5643LF2MLQ1 uses a 144-pin LQFP package measuring 20x20 mm with 0.5 mm pitch. According to the NXP datasheet, this is a low-profile quad flat pack with gull-wing leads suitable for standard SMT reflow processes. The package exposes a generous number of I/O pins required for automotive ECU applications.

Where can I download the SPC5643LF2MLQ1 datasheet PDF?

The official SPC5643LF2MLQ1 datasheet PDF is published by NXP at the MPC5643L product page. Mirror copies are also available from all datasheet.com, alldatasheet.com (136-page document), and digchip.com. The document covers electrical characteristics, pinout, peripheral programming, and application schematics for the MPC5643L family.

Where can I find the SPC5643LF2MLQ1 pinout?

The complete 144-pin pinout for the SPC5643LF2MLQ1 is provided in the NXP MPC5643L datasheet in the 'Pinout and Signal Description' chapter. It lists each pin number, its primary function (e.g., GPIO, CAN_TX, ADC input), and alternate functions. Pin 1 is located at the top-left of the LQFP package as marked by the dot indicator.

What is the difference between SPC5643LF2MLQ1 and SPC56EL60L5CBFSY?

The SPC5643LF2MLQ1 is a 1 MB Flash, 120 MHz dual-core e200z4 device for general automotive body and gateway ECUs, while the SPC56EL60L5CBFSY belongs to the SPC56EL60xx family targeted at electric power steering (EPS) and other SIL-rated chassis applications. Both share the MPC56xx Power Architecture lineage but differ in peripheral mix, safety features, and software ecosystem. Verify pin compatibility before substituting in chassis designs.

SPC5643LF2MLQ1 vs SPC560P44L3CEFAR - which is better for a body ECU?

The SPC5643LF2MLQ1 is the better choice for a high-performance body or gateway ECU: it offers 1 MB Flash versus 448 KB on the SPC560P44L3CEFAR, dual e200z4 cores versus single-core, and 120 MHz versus 64 MHz. The SPC560P44L3CEFAR is suited to lower-cost body applications (e.g., simple lighting or seat controllers) where single-core performance is sufficient. They use different packages, so PCB redesign is required to migrate.

When should I choose SPC5643LF2MLQ1 over SPC5602BAVLL4?

Choose the SPC5643LF2MLQ1 when your design requires dual-core lockstep for ISO 26262 functional safety, 1 MB Flash for large AUTOSAR stacks, or 120 MHz CPU throughput for gateway and chassis ECUs. The SPC5602BAVLL4 is appropriate for cost-sensitive body modules without dual-core safety requirements. Both share the MPC56xx family heritage, easing firmware portability between them.

What is the best drop-in replacement for SPC5643LF2MLQ1?

The closest drop-in replacements for the SPC5643LF2MLQ1 in the same 144-LQFP footprint are other MPC5643L family members such as the SPC5643LF2MLQ1R (reel-packaged variant) and the GPC5643LF2MLQ1 (general-purpose grade). According to NXP's product page, both share the same die and pinout. For functionally equivalent alternatives with the same package, the MPC5642A family is a closely related but not pin-identical option - verify the pinout before substituting.

What are the key specifications of SPC5643LF2MLQ1 that automotive engineers should know?

Key specifications: dual e200z4 Power Architecture cores at 120 MHz, 1 MB ECC Flash, 144-LQFP package (20x20 mm, 0.5 mm pitch), AEC-Q100 automotive qualified, -40 °C to +125 °C operating range, dual-power architecture with internal voltage regulator. According to the NXP datasheet, the peripheral set includes multiple FlexCAN modules, DSPI, eMIOS timers, and 12-bit ADC channels. This combination targets automotive body, gateway, and chassis ECUs.

Dados de referência de engenharia para SPC5643LF2MLQ1 — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the SPC5643LF2MLQ1 when your design requires dual-core lockstep for ISO 26262 ASIL-B functional safety, 1 MB ECC Flash for AUTOSAR communication stacks plus diagnostics, and 120 MHz CPU throughput across automotive body, gateway, or chassis ECU domains. The 144-LQFP package provides ample I/O for multi-CAN and SPI peripheral connections typical of central body or gateway modules. Choose the SPC5602BAVLL4 for cost-sensitive single-core body modules without lockstep requirements, or the SPC560P44L3CEFAR when 448 KB Flash and 64 MHz are sufficient for entry-level BCMs. The SAK-TC234LP-32F200N (Infineon AURIX) is the cross-brand migration path when higher CPU frequency (200 MHz) and SIL-3 capability are required, though it requires full firmware re-validation. For chassis-domain applications targeting electric power steering, the SPC56EL60L5CBFSY offers EPS-targeted features within the same MPC56xx family.

Comparação com alternativas

Parâmetro	Este produto	SPC5643LF2MLQ1R	GPC5643LF2MLQ1	SPC56EL60L5CBFSY	SAK-TC234LP-32F200N
Package	144-LQFP (20x20 mm)	144-LQFP (20x20 mm) - same	144-LQFP (20x20 mm) - same	144-LQFP (20x20 mm) - same physical, verify pinout	LQFP-144 - same physical, different pinout
Brand	NXP Semiconductors	NXP Semiconductors	NXP Semiconductors	NXP Semiconductors	Infineon
Core Architecture	Power Architecture e200z4 (dual-core)	Power Architecture e200z4 (dual-core)	Power Architecture e200z4 (dual-core)	Power Architecture e200z4 (dual-core)	TriCore AURIX TC234L (single-core)
Core Count	2	2	2	2	1 (single-core, with lockstep companion on multi-core variants)
Automotive Grade	AEC-Q100 (Q1 suffix)	AEC-Q100	General-purpose (GP prefix, not automotive)	AEC-Q100	AEC-Q100

Principais diferenciais

Dual-core Power Architecture e200z4 in 144-LQFP (vs SPC5602BAVLL4)
1 MB ECC Flash for AUTOSAR stacks (vs SPC560P44L3CEFAR)
Automotive-grade screening (AEC-Q100, Q1 suffix) (vs GPC5643LF2MLQ1)
MPC56xx family heritage with extensive automotive ecosystem (vs SAK-TC234LP-32F200N (Infineon AURIX))

Notas de projeto

The SPC5643LF2MLQ1 uses NXP's dual-power architecture: the internal core voltage is generated by an on-chip regulator that requires an external NPN ballast transistor (e.g., BCP68T1G) on the VDDR pin, plus a 4.7 µF decoupling capacitor. The VDD_HV pins (5 V or 3.3 V I/O supply) need bulk decoupling (10 µF tantalum + 100 nF ceramic) at each pair. Failing to provide the external ballast will prevent the core voltage regulator from starting and the MCU will not boot. Refer to the MPC5643L reference schematic for the exact ballast transistor part number and PCB footprint.

Estimated: at 120 MHz, switching currents on the SPC5643LF2MLQ1 can reach 200-300 mA peak with 5-10 ns edge rates. Place one 100 nF X7R 0402/0603 ceramic bypass within 2 mm of every VDD/VSS pin pair, plus four 10 µF X5R bulk capacitors distributed around the package. Use a continuous ground plane on layer 2 directly under the LQFP - never route signals under the package. The 0.5 mm pitch LQFP requires precise solder paste deposition (stencil apertures of 0.4 mm with 0.05 mm wall thickness) for reliable reflow.

Three pitfalls: (1) both e200z4 cores must be initialized correctly in the startup code - the secondary core remains in reset until released by the primary core; (2) the JTAG/DEBUG pins share functions with GPIO and require careful mux configuration to avoid locking out debug access; (3) the Flash ECC must be enabled before any code execution from Flash, otherwise unexpected resets may occur. Always load the proper BAM (Boot Assist Module) and disable the watchdog during early bring-up to avoid bricking.

The FlexCAN bus requires a 120 Ω termination resistor at each end of the bus, plus common-mode choke for AEC-Q100 EMI compliance. Keep CAN traces under 1/4 of the signal rise time delay length, and route them over a continuous ground plane separated by at least 4x the trace width from other signals. For SPI buses to peripherals, add 33 Ω series damping resistors at the driver output if the trace length exceeds 50 mm. The RESET line is noise-sensitive - place a 1 nF capacitor and 10 kΩ pull-up on it, and keep it short and guarded.

Informações de conformidade

RoHS

Compliant

REACH

Compliant

AEC-Q100

Qualified

Sem chumbo

Yes

Sem halogênios

Unknown

Minerais de conflito

Compliant

AEC-Q100 qualified per the Q1 suffix in the MPN; RoHS and REACH compliant per NXP product page. Halogen-free status not explicitly stated in retrieved web data - verify with NXP material declaration if required.

Dados verificados em: 2026-10-10 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

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

Buscas relacionadas

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Componentes & termos relacionados

NXP Semiconductors SPC5643LF2MLQ1 MPC5643L Qorivva MPC56xx Power Architecture e200z4 dual-core MCU 144-LQFP AEC-Q100 ISO 26262 AUTOSAR FlexCAN eMIOS DSPI automotive body control module gateway ECU electric power steering chassis control module RoHS REACH lockstep mode ECC Flash voltage regulator JTAG