MKE02Z64VQH2557 - 20MHz Cortex-M0+ 64KB MCU | NXP
料号： MKE02Z64VQH2557 ✓ 量产中MKE02Z64VQH2557 概述
A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the lowest tier of the embedded-processor hierarchy (MCU -> embedded processor -> microprocessor -> system-on-chip). The Kinetis KE02 sub-family is NXP's entry point into 32-bit embedded control, designed to replace 8-bit MCUs such as the HC08 and S08 families while pin-preserving migration paths exist within NXP's portfolio.
Key features of the MKE02Z64VQH2557 include the ultra-low-power Cortex-M0+ core with its two-stage pipeline and high code density, 64 KB of on-chip flash memory, a wide 2.7V to 5.5V supply range with 3.3V nominal operation, multiple PWM channels for motor and power control, and an integrated 10-bit ADC. The 57 configurable I/O lines provide substantial connectivity for a 64-pin device.
Technically, the KE02 family targets cost-sensitive, noisy electrical environments such as home appliances and industrial power conversion. NXP engineered the family with enhanced ESD and EMI robustness, and the wide voltage range allows direct operation from rectified mains-derived supplies or industrial rails without a dedicated regulator stage. The CMOS process keeps quiescent consumption low, and multiple low-power modes support battery-adjacent designs.
Typical applications include small motor control (fans, pumps, BLDC drivers), AC-induction and universal-motor control in white goods, power supplies and battery chargers with PWM control loops, digital power conversion, and industrial sensing nodes that need an ADC plus robust I/O.
For design-in, note that the 20 MHz core frequency bounds the arithmetic throughput, so timing-critical control loops should be validated at worst-case clock tolerance; the 10-bit ADC resolution is adequate for PWM-based power control but not precision instrumentation.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with prices as of 2026-10-18.
直接替换替代料： MKE02Z64VQH2557 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
MKE02Z64VQH2
✅ 直接替换📋 参考替代料（不在目录中）
MKE02Z40VQH2
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MKE02Z32VQH2
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MKE04Z128VQH2
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MKE04Z64VQH2
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MKE02Z64VQH2557 最大额定值与电气特性
| Core Processor | ARM Cortex-M0+ |
| Core Size | 32-Bit Single-Core |
| Max Clock Frequency | 20 MHz |
| Flash Memory | 64 KB (64K x 8) |
| Number of I/O | 57 |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Nominal Supply Voltage | 3 V |
| ADC Resolution | 10-bit |
| PWM Channels | Multiple (per KE02 peripheral set) |
| 封装 | 64-QFP (LQFP, 14x14 mm) |
| Terminal Pitch | 0.8 mm |
| Terminal Form | Gull Wing |
| JESD-30 Code | S-PQFP-G64 |
| Technology | CMOS |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Family | Kinetis KE02 |
MKE02Z64VQH2557 64-qfp (lqfp, 14x14 mm) 引脚配置指南
MKE02Z64VQH2557（64-qfp (lqfp, 14x14 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MKE02Z64VQH2557.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MKE02Z64VQH2557 适用于 6 应用s: Small BLDC / Fan Motor Control, Home Appliance Control (White Goods), Switch-Mode Power Supplies and Battery Chargers, Industrial Sensing and Control Nodes, AC-Induction Motor Control in Drives, Legacy 8-bit HC08/S08 Migration.
Small BLDC / Fan Motor Control
The MKE02Z64VQH2557 fits small brushless-DC and fan motor control because its multiple PWM channels directly drive inverter gate stages while the 10-bit ADC samples bus voltage, current, and rotor position signals. The Cortex-M0+ core at 20 MHz closes commutation and current loops at the few-kHz rates typical of fans and pumps, and the 57 I/O lines leave headroom for Hall inputs, fault monitoring, and a serial diagnostics link. NXP provides KE02-targeted motor-control reference software that shortens time to market. Design consideration: because the core runs at 20 MHz, high-frequency FOC schemes should use six-step or sensorless block commutation rather than full field orientation, and ADC sampling instants should be PWM-synchronized to avoid switching noise.
推荐
Home Appliance Control (White Goods)
Appliance boards - washing machines, blenders, vacuum cleaners - benefit from the KE02 family's design brief: enhanced ESD and EMI robustness, a wide 2.7V to 5.5V supply range that tolerates noisy internal rails, and 64 KB flash for UI state machines, sensor acquisition, and motor sequencing in one device. The MKE02Z64VQH2557's 57 GPIO lines cover relays, buttons, LEDs, and display drivers without port expanders, while the 10-bit ADC handles temperature (NTC) and current feedback. CMOS low-power modes support standby requirements. Note that the 64-pin LQFP at 0.8 mm pitch keeps assembly cost low on two-layer boards. Validate radiated emissions early, since appliance standards impose strict limits near the PWM switching harmonics.
推荐
Switch-Mode Power Supplies and Battery Chargers
In digital power supplies and smart battery chargers, the MKE02Z64VQH2557 implements the control loop: PWM outputs drive the power stage, the 10-bit ADC reads output voltage and current, and firmware executes voltage/current regulation with CV/CC phase handover for charging. The 20 MHz Cortex-M0+ provides deterministic interrupt latency adequate for tens-of-kHz switching frequencies, and the wide supply range allows direct powering from auxiliary windings. The 64 KB flash accommodates charge-profile tables, logging, and communication protocols such as SMBus. Use hardware PWM fault inputs if available on the selected pins and keep the ADC sample instants synchronized to PWM edges to reject switching ripple; a software-based loop is appropriate at these frequencies.
推荐
Industrial Sensing and Control Nodes
The MKE02Z64VQH2557 serves industrial sensing nodes that combine analog acquisition, local decision logic, and serial reporting. The 10-bit ADC digitizes transducer outputs (pressure, temperature, position), the 57 I/O lines interface limit switches and actuators, and on-chip serial peripherals stream data over RS-485/CAN-adjacent links via external transceivers. The 2.7V-5.5V supply range tolerates unregulated 5V industrial rails with brown-out margin, and the KE02 family's robustness features address electrically noisy factory-floor environments. For nodes needing more code space for protocol stacks, the pin-compatible MKE04Z128VQH2 offers a same-footprint upgrade. Keep analog traces away from PWM outputs and use the internal reference only after characterizing its accuracy for your accuracy budget.
推荐
AC-Induction Motor Control in Drives
For low-end AC motor drives and universal-motor speed control, the MKE02Z64VQH2557 generates phase-cut or PWM waveforms while the 10-bit ADC tracks bus voltage and motor current for closed-loop speed regulation. The 20 MHz Cortex-M0+ handles V/f control profiles and protection routines (overcurrent, stall detection) with adequate margin, and 64 KB flash stores parameter tables and fault logs. The KE02 family's EMI hardening is valuable in drive environments where the MCU sits near switching power stages. The wide 2.7V-5.5V supply simplifies bias from the drive's auxiliary supply. Gate-driver isolation, not MCU specs, sets the safety boundary, so pair the MCU with appropriate isolated drivers and keep the LQFP's analog pins routed on a quiet ground island.
推荐
Legacy 8-bit HC08/S08 Migration
The MKE02Z64VQH2557 is an ideal landing target for designs migrating from NXP HC08 and S08 8-bit MCUs, a migration path the KE02 family was explicitly created for. Engineers gain a 32-bit Cortex-M0+ core with higher code density, 64 KB flash, and modern debug (SWD) while keeping a comparable cost class and similar peripheral concepts (PWM timers, 10-bit ADC, GPIO). The 64-pin LQFP and wide 2.7V-5.5V operation match the electrical conventions of legacy appliance and industrial boards. The -557 ordering code also appears in Rochester Electronics legacy stock, easing bridge sourcing during the transition. Budget firmware effort for the Cortex-M0+ toolchain and exception model even though the peripheral set feels familiar.
推荐
推荐产品汇总
工程参考数据： MKE02Z64VQH2557 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MKE02Z64VQH2 | MKE02Z40VQH2 | MKE02Z32VQH2 | MKE04Z128VQH2 |
|---|---|---|---|---|---|
| Package | LQFP-64 (14x14, 0.8 mm) | LQFP-64 (14x14) - same | LQFP-64 (14x14) - same | LQFP-64 (14x14) - same | LQFP-64 (14x14) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit (KE04) |
| Max Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 48 MHz |
| Flash Memory | 64 KB | 64 KB | 40 KB | 32 KB | 128 KB |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
关键差异点
- Full 64 KB flash in the 64-QFP KE02 family （对比 MKE02Z40VQH2)
- Same silicon at standard ordering code with better availability （对比 MKE02Z64VQH2)
- Lowest-cost entry point vs faster KE04 successor （对比 MKE04Z128VQH2)
设计说明
The 2.7V-5.5V supply range permits powering directly from 5V industrial or appliance rails, but decouple each VDD pin with 100 nF ceramics placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the package. The 64-QFP has distributed power/ground pin pairs; every VDD/VSS pair must be decoupled individually. If the supply comes from an auxiliary winding or half-wave rectified rail, add a series ferrite and verify brown-out reset behavior at the lowest expected rail, since the reset threshold scales with supply.
Route the 10-bit ADC input traces away from PWM output traces; on a two-layer appliance board this means keeping the analog channel routing on the opposite side or behind a ground guard trace. Keep the crystal (if used) loop short and place its load capacitors close to the oscillator pins. The LQFP-64 0.8 mm pitch allows wider 0.3 mm traces with via-in-pad avoidance; check pin 1 orientation dot against the silkscreen to prevent rotational assembly errors, a common pitfall on 64-pin QFP hand assembly.
Ordering-code confusion is the top sourcing pitfall for this part: MKE02Z64VQH2557 is a variant ordering code of the standard MKE02Z64VQH2; both are the same silicon, but franchised distributors primarily stock the latter. Confirm the exact suffix before placing volume orders. Also verify flash budget early: code compiled for the 64 KB device will not fit the pin-compatible 40 KB and 32 KB family members. Finally, the KE02 tops out at 20 MHz - control-loop arithmetic must be profiled at worst-case clock tolerance, not typical.
合规信息
RoHS compliance stated by LCSC product listing (C5769066). AEC-Q100 qualification not indicated for this ordering variant in the provided data.
