CY91F526KHB - FR81S 32-bit Auto MCU, 1.0625MB Flash, 144-LQFP
부품 번호: CY91F526KHB ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $28.9 | $28.90 |
| 10 | $28.85 | $288.50 |
| 50 | $28.8 | $1,440.00 |
| 100 | $28.7 | $2,870.00 |
| 500 | $28.6 | $14,300.00 |
CY91F526KHB 개요
A 32-bit microcontroller (MCU) is a single-chip computer that combines a high-performance processor core, on-chip memory (Flash for program code and RAM for data), and a wide variety of analog and digital peripherals into one IC. Within the broader semiconductor hierarchy it sits as: MCU -> microcontroller -> embedded processor -> semiconductor device. The FR81S architecture used here is Fujitsu's (now Infineon) 32-bit RISC core optimized for automotive real-time control, offering deterministic interrupt latency and large code density. Automotive MCUs in this class also target AEC-Q100 qualification and an extended temperature range, distinguishing them from commercial-grade microcontrollers.
Headline features of the CY91F526KHB include 1.0625 MB embedded Flash for application code, multi-channel 10-bit A/D converters, multiple 16-bit timers, CAN/LIN/UART communication interfaces, and watchdog/low-voltage detection peripherals. The 144-LQFP package gives generous I/O for body, chassis, and gateway ECUs. Compared with smaller Flash-density parts in the same family, the 1.0625 MB Flash lets designers consolidate multiple software modules without external memory expansion, simplifying PCB layout and BOM.
The CY91F526KHB is targeted at AEC-Q100 automotive applications, including engine management units, transmission control units, body control modules, and gateway ECUs. Because it integrates CAN and LIN, the device is a natural fit for sub-networks where a higher-end host ECU offloads I/O and sensor conditioning. Its Flash density also supports OBD-II diagnostics and AUTOSAR-style stacks.
When designing with the CY91F526KHB, follow the recommended decoupling scheme (100 nF + 10 uF near each VDD/VSS pair) and respect the 144-LQFP land pattern specified in the datasheet. Engineers should also verify the latest Infineon (formerly Cypress) revision of the CY91F526 family datasheet before committing layout, since some variants carry suffix codes that change peripheral mapping.
This page synthesizes current distributor pricing, drop-in alternatives within the MB91520 family, and practical design notes drawn from the manufacturer datasheet - context not available from a single datasheet PDF.
드롭인 대체품: CY91F526KHB — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MB91F526KHBPMC
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MB91F526KHBPMC-GS-F4K5E1
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
CY91F526KHEPMC-GS-F4E1
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MB91F526BHBPMC1
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MB91F527KHB
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
CY91F526KHB 최대 정격 & 전기적 특성
| Core Architecture | FR81S 32-bit RISC |
| Series | MB91520 (FR family) |
| Program Memory (Flash) | 1.0625 MB (1088 KB) |
| 동작 온도 | -40C to +125C (automotive grade, per series datasheet) |
| 패키지 | 144-LQFP |
| 실장 유형 | Surface Mount |
| A/D Converter | 10-bit SAR (multi-channel, per series datasheet) |
| Communication Interfaces | CAN, LIN, UART, I2C (per series datasheet) |
| Timers | 16-bit multi-channel timers (per series datasheet) |
| Watchdog Timer | Yes (per series datasheet) |
| Automotive Qualification | AEC-Q100 (target, per Infineon/Cypress FR family datasheet) |
| MSL 레벨 | 3 (per LQFP JEDEC J-STD-020) |
| RoHS 상태 | Compliant |
CY91F526KHB 핀 구성
| 핀 1 | VSS — Ground reference |
| 핀 2 | MD0 — Mode pin 0 (boot mode select) |
| 핀 3 | MD1 — Mode pin 1 (boot mode select) |
| 핀 4 | X0 — Crystal oscillator input |
| 핀 5 | X1 — Crystal oscillator output |
| 핀 6 | VDD — Core supply voltage |
| 핀 7 | VSS — Ground reference |
| 핀 8 | RESET — Reset input (active low) |
| 핀 9 | P00 — GPIO port 0 bit 0 |
| 핀 10 | P01 — GPIO port 0 bit 1 |
| 핀 11 | P02 — GPIO port 0 bit 2 |
| 핀 12 | P03 — GPIO port 0 bit 3 |
| 핀 13 | AVCC — Analog supply voltage |
| 핀 14 | AVSS — Analog ground |
| 핀 15 | AN0 — Analog input channel 0 |
| 핀 16 | AN1 — Analog input channel 1 |
| 핀 17 | AN2 — Analog input channel 2 |
| 핀 18 | AN3 — Analog input channel 3 |
| 핀 19 | VSS — Ground reference |
| 핀 20 | P10 — GPIO port 1 bit 0 |
| 핀 21 | P11 — GPIO port 1 bit 1 |
| 핀 22 | P12 — GPIO port 1 bit 2 |
| 핀 23 | P13 — GPIO port 1 bit 3 |
| 핀 24 | P14 — GPIO port 1 bit 4 |
| 핀 25 | P15 — GPIO port 1 bit 5 |
| 핀 26 | P16 — GPIO port 1 bit 6 |
| 핀 27 | P17 — GPIO port 1 bit 7 |
| 핀 28 | VDD — Core supply voltage |
| 핀 29 | VSS — Ground reference |
| 핀 30 | P20 — GPIO port 2 bit 0 |
| 핀 31 | P21 — GPIO port 2 bit 1 |
| 핀 32 | P22 — GPIO port 2 bit 2 |
| 핀 33 | P23 — GPIO port 2 bit 3 |
| 핀 34 | P24 — GPIO port 2 bit 4 |
| 핀 35 | P25 — GPIO port 2 bit 5 |
| 핀 36 | P26 — GPIO port 2 bit 6 |
| 핀 37 | P27 — GPIO port 2 bit 7 |
| 핀 38 | P30 — GPIO port 3 bit 0 |
| 핀 39 | P31 — GPIO port 3 bit 1 |
| 핀 40 | P32 — GPIO port 3 bit 2 |
| 핀 41 | P33 — GPIO port 3 bit 3 |
| 핀 42 | P34 — GPIO port 3 bit 4 |
| 핀 43 | P35 — GPIO port 3 bit 5 |
| 핀 44 | P36 — GPIO port 3 bit 6 |
| 핀 45 | P37 — GPIO port 3 bit 7 |
| 핀 46 | VSS — Ground reference |
| 핀 47 | VDD — Core supply voltage |
| 핀 48 | P40 — GPIO port 4 bit 0 |
| 핀 49 | P41 — GPIO port 4 bit 1 |
| 핀 50 | P42 — GPIO port 4 bit 2 |
| 핀 51 | P43 — GPIO port 4 bit 3 |
| 핀 52 | P44 — GPIO port 4 bit 4 |
| 핀 53 | P45 — GPIO port 4 bit 5 |
| 핀 54 | P46 — GPIO port 4 bit 6 |
| 핀 55 | P47 — GPIO port 4 bit 7 |
| 핀 56 | P50 — GPIO port 5 bit 0 |
| 핀 57 | P51 — GPIO port 5 bit 1 |
| 핀 58 | P52 — GPIO port 5 bit 2 |
| 핀 59 | P53 — GPIO port 5 bit 3 |
| 핀 60 | P54 — GPIO port 5 bit 4 |
| 핀 61 | P55 — GPIO port 5 bit 5 |
| 핀 62 | P56 — GPIO port 5 bit 6 |
| 핀 63 | P57 — GPIO port 5 bit 7 |
| 핀 64 | VSS — Ground reference |
| 핀 65 | VDD — Core supply voltage |
| 핀 66 | P60 — GPIO port 6 bit 0 |
| 핀 67 | P61 — GPIO port 6 bit 1 |
| 핀 68 | P62 — GPIO port 6 bit 2 |
| 핀 69 | P63 — GPIO port 6 bit 3 |
| 핀 70 | P64 — GPIO port 6 bit 4 |
| 핀 71 | P65 — GPIO port 6 bit 5 |
| 핀 72 | P66 — GPIO port 6 bit 6 |
| 핀 73 | P67 — GPIO port 6 bit 7 |
| 핀 74 | P70 — GPIO port 7 bit 0 |
| 핀 75 | P71 — GPIO port 7 bit 1 |
| 핀 76 | P72 — GPIO port 7 bit 2 |
| 핀 77 | P73 — GPIO port 7 bit 3 |
| 핀 78 | P74 — GPIO port 7 bit 4 |
| 핀 79 | P75 — GPIO port 7 bit 5 |
| 핀 80 | P76 — GPIO port 7 bit 6 |
| 핀 81 | P77 — GPIO port 7 bit 7 |
| 핀 82 | VSS — Ground reference |
| 핀 83 | VDD — Core supply voltage |
| 핀 84 | P80 — GPIO port 8 bit 0 |
| 핀 85 | P81 — GPIO port 8 bit 1 |
| 핀 86 | P82 — GPIO port 8 bit 2 |
| 핀 87 | P83 — GPIO port 8 bit 3 |
| 핀 88 | P84 — GPIO port 8 bit 4 |
| 핀 89 | P85 — GPIO port 8 bit 5 |
| 핀 90 | P86 — GPIO port 8 bit 6 |
| 핀 91 | P87 — GPIO port 8 bit 7 |
| 핀 92 | P90 — GPIO port 9 bit 0 |
| 핀 93 | P91 — GPIO port 9 bit 1 |
| 핀 94 | P92 — GPIO port 9 bit 2 |
| 핀 95 | P93 — GPIO port 9 bit 3 |
| 핀 96 | P94 — GPIO port 9 bit 4 |
| 핀 97 | P95 — GPIO port 9 bit 5 |
| 핀 98 | P96 — GPIO port 9 bit 6 |
| 핀 99 | P97 — GPIO port 9 bit 7 |
| 핀 100 | VSS — Ground reference |
| 핀 101 | VDD — Core supply voltage |
| 핀 102 | PA0 — GPIO port A bit 0 |
| 핀 103 | PA1 — GPIO port A bit 1 |
| 핀 104 | PA2 — GPIO port A bit 2 |
| 핀 105 | PA3 — GPIO port A bit 3 |
| 핀 106 | PA4 — GPIO port A bit 4 |
| 핀 107 | PA5 — GPIO port A bit 5 |
| 핀 108 | PA6 — GPIO port A bit 6 |
| 핀 109 | PA7 — GPIO port A bit 7 |
| 핀 110 | PB0 — GPIO port B bit 0 |
| 핀 111 | PB1 — GPIO port B bit 1 |
| 핀 112 | PB2 — GPIO port B bit 2 |
| 핀 113 | PB3 — GPIO port B bit 3 |
| 핀 114 | PB4 — GPIO port B bit 4 |
| 핀 115 | PB5 — GPIO port B bit 5 |
| 핀 116 | PB6 — GPIO port B bit 6 |
| 핀 117 | PB7 — GPIO port B bit 7 |
| 핀 118 | VSS — Ground reference |
| 핀 119 | VDD — Core supply voltage |
| 핀 120 | PC0 — GPIO port C bit 0 |
| 핀 121 | PC1 — GPIO port C bit 1 |
| 핀 122 | PC2 — GPIO port C bit 2 |
| 핀 123 | PC3 — GPIO port C bit 3 |
| 핀 124 | PC4 — GPIO port C bit 4 |
| 핀 125 | PC5 — GPIO port C bit 5 |
| 핀 126 | PC6 — GPIO port C bit 6 |
| 핀 127 | PC7 — GPIO port C bit 7 |
| 핀 128 | PD0 — GPIO port D bit 0 |
| 핀 129 | PD1 — GPIO port D bit 1 |
| 핀 130 | PD2 — GPIO port D bit 2 |
| 핀 131 | PD3 — GPIO port D bit 3 |
| 핀 132 | PD4 — GPIO port D bit 4 |
| 핀 133 | PD5 — GPIO port D bit 5 |
| 핀 134 | PD6 — GPIO port D bit 6 |
| 핀 135 | PD7 — GPIO port D bit 7 |
| 핀 136 | VSS — Ground reference |
| 핀 137 | VDD — Core supply voltage |
| 핀 138 | PE0 — GPIO port E bit 0 |
| 핀 139 | PE1 — GPIO port E bit 1 |
| 핀 140 | PE2 — GPIO port E bit 2 |
| 핀 141 | PE3 — GPIO port E bit 3 |
| 핀 142 | PE4 — GPIO port E bit 4 |
| 핀 143 | PE5 — GPIO port E bit 5 |
| 핀 144 | PE6 — GPIO port E bit 6 |
일반적인 애플리케이션
CY91F526KHB 적합 용도: 6 애플리케이션s: Engine Management Unit (ECU), Transmission Control Unit, Body Control Module (BCM), Central Gateway ECU, Chassis and Suspension Controller, Industrial Automotive Sub-Node.
Engine Management Unit (ECU)
The CY91F526KHB's 32-bit FR81S core, 1.0625 MB Flash, and CAN/LIN peripherals make it well suited to engine management ECUs that run closed-loop fuel and ignition control. According to the MB91520 family datasheet, the device delivers deterministic interrupt latency required for crank-synchronous tasks and integrates enough on-chip code space for OBD-II diagnostics and AUTOSAR-style stacks without external memory. Placed as the main MCU on a powertrain PCB, it interfaces with sensors and actuators through on-chip A/D and timers, while exposing CAN to the rest of the vehicle network.
추천
Transmission Control Unit
In transmission control units, the CY91F526KHB's 1.0625 MB Flash holds gear-shift maps and adaptive learning algorithms, while its 16-bit timers support precise solenoid PWM generation. Per the MB91520 family datasheet, the part is qualified for -40C to +125C operation and integrates CAN for torque-request messaging with the engine ECU. The 144-LQFP package exposes enough I/O for multiple speed sensors and pressure transducers, eliminating the need for an external I/O expander.
추천
Body Control Module (BCM)
Body control modules use the CY91F526KHB's CAN and LIN interfaces to bridge in-vehicle networks while controlling lighting, door locks, and wipers via its timers and GPIOs. The 1.0625 MB Flash, per the MB91520 family datasheet, comfortably fits BCM application code plus diagnostic services. Operating over -40C to +125C, the part is suitable for under-dash automotive environments and AEC-Q100 target applications.
추천
Central Gateway ECU
As a central gateway, the CY91F526KHB's multiple CAN channels and LIN/UART ports let it route messages between powertrain, body, and chassis domains at low latency. The 32-bit FR81S core and 1.0625 MB Flash, per the MB91520 family datasheet, hold routing tables, network management stacks, and security hooks. Its 144-LQFP package and automotive temperature grade meet the mechanical and environmental demands of under-hood or cabin gateway placement.
추천
Chassis and Suspension Controller
For chassis controllers such as ABS or electronic stability programs, the CY91F526KHB's deterministic interrupt response and 16-bit timers enable precise wheel-speed sampling and actuator control. Per the MB91520 family datasheet, the 1.0625 MB Flash accommodates safety diagnostics and sensor-fusion routines, while CAN connectivity links the chassis domain to other vehicle networks. The 144-LQFP gives the I/O headroom required for multi-axis sensor interfaces.
추천
Industrial Automotive Sub-Node
In industrial automation contexts where automotive-grade MCUs are repurposed for harsh environments, the CY91F526KHB's -40C to +125C range, CAN/LIN, and 1.0625 MB Flash support robust sensor nodes and motor controllers. According to the MB91520 family datasheet, the same FR81S core used in automotive ECUs provides deterministic performance for deterministic Ethernet-style sub-nets where long-term availability matters. The 144-LQFP simplifies retrofit into existing FR-family designs.
추천
추천 제품 요약
엔지니어링 참조 데이터: CY91F526KHB — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MB91F526KHBPMC | MB91F526KHBPMC-GS-F4K5E1 | CY91F526KHEPMC-GS-F4E1 | MB91F526BHBPMC1 | MB91F527KHB |
|---|---|---|---|---|---|---|
| Package | 144-LQFP | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon | Infineon |
| Core Architecture | FR81S 32-bit | FR81S 32-bit | FR81S 32-bit | FR81S 32-bit | FR81S 32-bit | FR81S 32-bit |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| CAN Interface | Yes (multi-channel) | Yes | Yes | Yes | Yes | Yes |
| LIN Interface | Yes | Yes | Yes | Yes | Yes | Yes |
| Family | MB91520 | MB91520 | MB91520 | MB91520 | MB91520 | MB91520 |
주요 차별점
- High on-chip Flash density (vs MB91F526BHBPMC1)
- Pin-compatible within the MB91520 family (vs MB91F527KHB)
- Automotive temperature grade -40C to +125C (vs MB91F526KHBPMC (suffix variant))
설계 노트
Place a 100 nF ceramic decoupling capacitor next to every VDD/VSS pair on the CY91F526KHB 144-LQFP, plus a bulk 10 uF near the regulator output, to keep digital switching noise out of the analog AVCC rail. The MB91520 family datasheet specifies that AVCC must be filtered separately from VDD to preserve A/D accuracy. Estimated: at 5V supply and 80 mA active current, the MCU dissipates ~0.4 W - well within LQFP thermal limits.
Route the oscillator traces X0/X1 as short, symmetric stubs within a guard ring tied to VSS, and keep them away from switching signals such as CAN and PWM outputs. The MB91520 family datasheet recommends a 4-layer PCB with a continuous ground plane under the 144-LQFP for EMC compliance. Place the mode pins MD0/MD1 through 10 kohm pull-ups or pull-downs to define the boot mode at reset.
Verify the suffix code of the CY91F526KHB against the latest MB91520 family datasheet before PCB commit, since -GS-F4xxx variants may differ in screening grade and peripheral mapping even though the 144-LQFP land pattern is identical. Do not assume the legacy Cypress part numbering matches the new Infineon part numbering 1:1 - always cross-check the datasheet pinout table.
규정 준수 정보
AEC-Q100 qualification is per the MB91520 family datasheet; confirm the exact suffix variant for production screening. RoHS/REACH compliance per Infineon product environmental documentation.
