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

料号： SPC5643LF2MLQ1 ✓ 量产中

有现货 1-3 个工作日内发货

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

低至 $19.2 USD / 件

最小起订量： 1 |

价格更新于： 2026-10-10

批量定价

数量	单价	小计
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 所有价格均以 USD 计价

查看数据手册 (PDF) 查看替代料

数量

SPC5643LF2MLQ1 概述

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.

直接替换替代料： SPC5643LF2MLQ1 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。

本系列中的变体

可与以下型号直接替换的同系列型号： SPC5643LF2MLQ1 （相同外形与封装尺寸） ——差异在于 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

对比 SPC5643LF2MLQ1 →

快速对比工具——选择替代料号进行并排对比：

SPC5643LF2MLQ1R

✅ 直接替换 ⚠️ 规格未核验

📦 144-LQFP (20x20 mm)

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

📋 参考替代料（不在目录中）

GPC5643LF2MLQ1

✅ 直接替换

📦 144-LQFP (20x20 mm)

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

📋 参考替代料（不在目录中）

SPC56EL60L5CBFSY

✅ 直接替换

📦 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

📋 参考替代料（不在目录中）

SAK-TC234LP-32F200N

✅ 直接替换

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

✓ 有现货

$11.4 / 个

查看数据手册 →

SPC5643LF2MLQ1 最大额定值与电气特性

Core Architecture	Power Architecture e200z4 (dual-core)
Core Count	2
Maximum CPU Frequency	120 MHz
Program Memory (Flash)	1 MB (1M x 8)
封装	144-LQFP (20x20 mm)
引脚数量	144
工作温度范围	-40 °C to +125 °C
Automotive Grade	Yes (AEC-Q100 qualified)
安装类型	Surface Mount
Pitch	0.5 mm
Supply Architecture	Dual Power Architecture (internal regulator + external ballast)
数据总线宽度	32-bit
RoHS 状态	Compliant
MSL 等级	3 (per JEDEC J-STD-020, typical for LQFP)
Series	MPC5643L (Qorivva MPC56xx family)

SPC5643LF2MLQ1 引脚配置

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

典型应用

SPC5643LF2MLQ1 适用于 7 应用s: 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.

推荐

🌐

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.

推荐

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.

推荐

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.

推荐

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.

推荐

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.

推荐

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.

推荐

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

推荐产品汇总

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

工程参考数据： SPC5643LF2MLQ1 ——对比、设计指导和合规信息。

选型指南

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.

与替代料对比

参数	本产品	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

关键差异点

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

设计说明

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.

合规信息

RoHS

Compliant

REACH

Compliant

AEC-Q100

Qualified

无铅

Yes

无卤

Unknown

冲突矿物

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.

数据核验日期： 2026-10-10 ——数据由 XAIPART 元器件工程团队核验和整理

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

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

SPC5643LF2MLQ1 概述

本系列中的变体

快速对比工具——选择替代料号进行并排对比：

SPC5643LF2MLQ1R

GPC5643LF2MLQ1

SPC56EL60L5CBFSY

SAK-TC234LP-32F200N

推荐替代料（同分类、同封装）

SPC5643LF2MLQ1 引脚配置

典型应用

推荐产品汇总

选型指南

与替代料对比

关键差异点

设计说明

合规信息

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