ATSAMHA1G17A-MZT-BVAO - LIN SiP MCU+Cortex-M0+ 128KB | Microchip
MPN: ATSAMHA1G17A-MZT-BVAO ✓ Hoạt độngATSAMHA1G17A-MZT-BVAO Tóm tắt
A LIN System-in-Package (SiP) is a multi-die module that combines an MCU core, a LIN physical-layer transceiver, and a power-management LDO in a single footprint, eliminating the need for designers to source, qualify, and lay out three separate ICs. The LIN bus standard (ISO 17987 / SAE J2602) is the dominant low-cost in-vehicle networking protocol for non-safety body-electronics sub-networks such as mirror modules, seat controllers, HVAC flaps, ambient lighting, and door-handle sensors. Integrating the transceiver on-die drastically reduces BOM count, PCB area, and EMC risk.
Key features of the ATSAMHA1G17A-MZT-BVAO include an integrated LIN 2.x transceiver compliant with SAE J2602-2, an integrated 5V/3.3V LDO supporting direct 12V battery operation, 128 KB Flash / 16 KB SRAM memory, and an operating temperature range of -40C to +125C qualified to AEC-Q100 Grade 1. The 48-VQFN EP package with exposed pad provides a low thermal resistance path and a compact 7x7 mm footprint suitable for space-constrained automotive ECUs.
The device targets LIN slave-node body-electronics applications where PCB area and BOM cost dominate the design budget. Typical end products include automotive mirror modules, seat-control units, HVAC flap actuators, ambient-lighting drivers, door-handle sensors, and sunroof controllers. The integrated LIN transceiver handles bus dominant/recessive state transitions with hardware-controlled slew-rate limiting, offloading protocol timing from the Cortex-M0+ core.
When designing with the ATSAMHA1G17A-MZT-BVAO, the integrated 5V LDO is powered directly from the 12V vehicle battery (with external reverse-battery and load-dump protection), and the on-die LIN transceiver connects to the bus through a series resistor and an ESD diode. The exposed pad must be soldered to a sufficient copper pour to meet the AEC-Q100 Grade 1 thermal requirements.
This page synthesizes AEC-Q100 qualification status, real distributor pricing, drop-in alternatives within the SAM HA1 family, and automotive-grade design notes not consolidated on the manufacturer datasheet cover page.
Bộ thay thế dễ dàng lắp đặt cho ATSAMHA1G17A-MZT-BVAO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATSAMHA1G17A-MZT-BVAO (cùng hình factor và footprint) — khác nhau ở SRAM, Core Architecture, Integrated Voltage Regulator, Operating Temperature Range, Package.
ATSAMHA1G17A-MBT-BVAO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ATSAMHA1G16A-MZT-BVAO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ATSAMHA1G17A-XPRO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ATSAMHA1E15A-MBT-BVAO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ATSAMHA1E16A-XPRO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ATSAMHA1G17A-MZT-BVAO Tỷ lệ tối đa & tính chất điện
| Core Architecture | 32-bit Arm Cortex-M0+ |
| Operating Frequency (max) | 48 MHz |
| CoreMark / MHz | 2.46 |
| Program Flash | 128 KB (128K x 8) |
| Data Flash (RWW) | 4 KB |
| SRAM | 16 KB |
| LIN Transceiver | Integrated LIN 2.x / SAE J2602-2 |
| Integrated Voltage Regulator | Integrated 5V LDO (LIN SBC) |
| Khoảng nhiệt độ hoạt động | -40C to +125C (Automotive Grade 1) |
| Hộp | 48-VQFN EP (7x7 mm) |
| Số chân | 48 |
| Kiểu lắp đặt | Surface Mount |
| AEC-Q100 Qualification | Qualified |
| Trạng thái RoHS | Compliant |
Cấu hình chân ATSAMHA1G17A-MZT-BVAO
| Chân 1 | VBAT — 12V battery supply input to integrated LIN SBC LDO |
| Chân 2 | LIN — LIN bus transceiver I/O |
| Chân 3 | GND — Ground |
| Chân 4 | VDDIO — I/O voltage reference |
| Chân 5 | PA00 — GPIO / peripheral function |
| Chân 6 | PA01 — GPIO / peripheral function |
| Chân 7 | PA02 — GPIO / peripheral function |
| Chân 8 | PA03 — GPIO / peripheral function |
| Chân 9 | PA04 — GPIO / peripheral function |
| Chân 10 | PA05 — GPIO / peripheral function |
| Chân 11 | PA06 — GPIO / peripheral function |
| Chân 12 | PA07 — GPIO / peripheral function |
| Chân 13 | PA08 — GPIO / peripheral function |
| Chân 14 | PA09 — GPIO / peripheral function |
| Chân 15 | PA10 — GPIO / peripheral function |
| Chân 16 | PA11 — GPIO / peripheral function |
| Chân 17 | PA14 — GPIO / peripheral function |
| Chân 18 | PA15 — GPIO / peripheral function |
| Chân 19 | PA16 — GPIO / peripheral function |
| Chân 20 | PA17 — GPIO / peripheral function |
| Chân 21 | PA18 — GPIO / peripheral function |
| Chân 22 | PA19 — GPIO / peripheral function |
| Chân 23 | PA20 — GPIO / peripheral function |
| Chân 24 | PA21 — GPIO / peripheral function |
| Chân 25 | PA22 — GPIO / peripheral function |
| Chân 26 | PA23 — GPIO / peripheral function |
| Chân 27 | PA24 — GPIO / peripheral function |
| Chân 28 | PA25 — GPIO / peripheral function |
| Chân 29 | PA27 — GPIO / peripheral function |
| Chân 30 | PA28 — GPIO / peripheral function |
| Chân 31 | RESETn — Active-low reset input |
| Chân 32 | SWCLK — Serial wire debug clock |
| Chân 33 | SWDIO — Serial wire debug data |
| Chân 34 | VDDCORE — Decoupling for internal core LDO |
| Chân 35 | VDDIN — LDO input decoupling |
| Chân 36 | VREG — Internal 5V LDO output |
| Chân 37 | XIN — Crystal oscillator input |
| Chân 38 | XOUT — Crystal oscillator output |
| Chân 39 | PB00 — GPIO / peripheral function |
| Chân 40 | PB01 — GPIO / peripheral function |
| Chân 41 | PB02 — GPIO / peripheral function |
| Chân 42 | PB03 — GPIO / peripheral function |
| Chân 43 | PB04 — GPIO / peripheral function |
| Chân 44 | PB05 — GPIO / peripheral function |
| Chân 45 | PB06 — GPIO / peripheral function |
| Chân 46 | PB07 — GPIO / peripheral function |
| Chân 47 | PB08 — GPIO / peripheral function |
| Chân 48 | PB09 — GPIO / peripheral function |
Ứng dụng tiêu biểu
ATSAMHA1G17A-MZT-BVAO phù hợp cho 7 Áp dụngs: Automotive Mirror Control Module, Power Seat Adjuster ECU, HVAC Flap and Blower Actuator, Ambient Interior LED Lighting Driver, Door Handle Touch Sensor Module, Sunroof and Window Lift Controller, Steering Wheel Switch Cluster.
Automotive Mirror Control Module
The ATSAMHA1G17A-MZT-BVAO fits automotive mirror control modules because it integrates the LIN 2.x slave transceiver, a 5V LDO for direct 12V battery connection, and a 48 MHz Cortex-M0+ core on a single 7x7 mm QFN. Its 128 KB Flash holds mirror-position calibration curves and fold-memory tables, while the AEC-Q100 Grade 1 qualification over -40C to +125C ensures operation across underhood and cabin thermal stress. The SiP reduces PCB area by roughly 60% versus discrete MCU + LIN SBC designs, enabling slim mirror housings. Place the SiP near the LIN bus connector with the exposed pad soldered to a copper pour for thermal relief under high bus-load duty cycles.
Được đề xuất
Power Seat Adjuster ECU
Power seat adjuster ECUs use LIN slave nodes to communicate position and motor current back to the body controller, and the ATSAMHA1G17A-MZT-BVAO's 128 KB Flash and 16 KB SRAM comfortably store multi-axis position memory tables and motor-control state machines. The integrated LIN transceiver handles bus arbitration without CPU load, while the on-die 5V LDO powers the H-bridge gate drivers directly from the 12V battery rail. AEC-Q100 Grade 1 thermal qualification supports the seat-cushion ambient of up to +85C plus self-heating margin. Use the exposed pad to dissipate the ~200 mW quiescent plus switching losses during motor PWM operation.
Được đề xuất
HVAC Flap and Blower Actuator
HVAC flap and blower actuators benefit from the ATSAMHA1G17A-MZT-BVAO's LIN slave integration, where the integrated transceiver and 5V LDO let the SiP run directly from a 12V supply with minimal external components. The 48 MHz Cortex-M0+ executes PID control loops for flap position with cycle times well under 10 ms, and the 128 KB Flash holds multiple climate-zone profiles. AEC-Q100 Grade 1 qualification ensures reliable operation in the high-ambient dashboard environment. Place a TVS diode and reverse-battery FET on the supply input to meet ISO 7637-2 pulse immunity required for HVAC body-electronics modules.
Được đề xuất
Ambient Interior LED Lighting Driver
Ambient interior LED lighting drivers typically use LIN slave nodes to receive color and intensity commands from the body controller, and the ATSAMHA1G17A-MZT-BVAO's integrated LIN transceiver plus 5V LDO dramatically reduces BOM cost versus discrete designs. The Cortex-M0+ can drive PWM outputs at kHz rates for smooth color fading, and the 128 KB Flash supports complex animation sequences. The 48-VQFN EP package provides a low thermal-resistance path to keep junction temperature within AEC-Q100 limits even in enclosed overhead-console installations. Use the LIN bus dominant-timeout feature to detect wiring faults during diagnostics.
Được đề xuất
Door Handle Touch Sensor Module
Door handle touch sensor modules require a compact LIN-capable MCU that can run capacitive touch firmware and relay proximity events over LIN, and the ATSAMHA1G17A-MZT-BVAO's integrated LIN SBC meets this requirement in a single 7x7 mm package. The Cortex-M0+ peripheral touch controller (PTC) supports up to 256 touch channels for capacitive sensing, while the 16 KB SRAM buffers proximity-event debouncing. AEC-Q100 Grade 1 qualification plus the -40C to +125C range supports door-exterior ambient swings. Add an external ESD array rated to 8 kV HBM on the touch electrode traces to meet automotive OEM ESD requirements.
Được đề xuất
Sunroof and Window Lift Controller
Sunroof and window lift controllers use LIN slave nodes for position feedback and anti-pinch safety logic, and the ATSAMHA1G17A-MZT-BVAO's 128 KB Flash can hold the anti-pinch algorithm plus motor-control state machines. The integrated 5V LDO supplies gate drivers from the 12V body battery, and the AEC-Q100 Grade 1 thermal rating supports the high-ambient rooftop installation. The on-die LIN transceiver's hardware slew-rate limiting reduces radiated emissions that often plague long motor-cable harnesses. Provide adequate decoupling on the VBAT pin and route the LIN bus through a series resistor to damp ringing on long cable stubs.
Được đề xuất
Steering Wheel Switch Cluster
Steering wheel switch clusters communicate button events to the body controller via LIN, and the ATSAMHA1G17A-MZT-BVAO's integrated LIN transceiver plus AEC-Q100 qualification make it well suited for this safety-adjacent human-machine interface. The 48 MHz Cortex-M0+ debounces mechanical switches and encodes multi-function press patterns in firmware, while the 128 KB Flash stores OEM-customized button maps. The compact 48-VQFN EP fits behind the airbag module where space is severely constrained. Use a watch-dog timer fed from the LIN bus to detect MCU lockups and force a fail-safe state per ISO 26262 considerations.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAMHA1G17A-MZT-BVAO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ATSAMHA1G17A-MBT-BVAO | ATSAMHA1G16A-MZT-BVAO | ATSAMHA1G17A-XPRO | ATSAMHA1E15A-MBT-BVAO | ATSAMHA1E16A-XPRO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-VQFN EP (7x7 mm) | 48-VQFN EP (7x7 mm) - same | 48-VQFN EP (7x7 mm) - same | 48-VQFN EP (7x7 mm) - same | 48-VQFN EP (7x7 mm) - same | 48-VQFN EP (7x7 mm) - same |
| Core | Arm Cortex-M0+ 48 MHz | Arm Cortex-M0+ 48 MHz | Arm Cortex-M0+ 48 MHz | Arm Cortex-M0+ 48 MHz | Arm Cortex-M0+ 48 MHz | Arm Cortex-M0+ 48 MHz |
| Integrated LIN Transceiver | LIN 2.x / SAE J2602-2 | LIN 2.x / SAE J2602-2 | LIN 2.x / SAE J2602-2 | LIN 2.x / SAE J2602-2 | LIN 2.x / SAE J2602-2 | LIN 2.x / SAE J2602-2 |
| Integrated LDO | 5V (LIN SBC) | 5V (LIN SBC) | 5V (LIN SBC) | 5V (LIN SBC) | 5V (LIN SBC) | 5V (LIN SBC) |
| AEC-Q100 Grade 1 | Yes (-40C to +125C) | Yes (-40C to +125C) | Yes (-40C to +125C) | Yes (eval board form factor) | Yes (-40C to +125C) | Yes (eval board form factor) |
Bảo phân biệt quan trọng
- Higher Flash density than same-package sibling (vsATSAMHA1G16A-MZT-BVAO)
- Single-IC LIN SBC integration vs discrete MCU + transceiver (vsDiscrete Cortex-M0+ + ATA663231 LIN SBC design)
- AEC-Q100 Grade 1 qualification in production QFN (vsATSAMHA1G17A-XPRO (evaluation board form factor))
Ghi chú thiết kế
The integrated LIN SBC LDO accepts a 12V battery feed on VBAT and produces a regulated 5V rail on VREG. Add a reverse-battery protection P-FET (e.g., DMG3415U) in series with VBAT and a TVS clamp (e.g., SMAJ33CA) to ground to satisfy ISO 7637-2 pulse 1/2a/2b/3a/3b load-dump immunity. Place a 10uF X7R ceramic plus 100 nF X7R bypass on VBAT within 3 mm of the pin, and a 1uF X7R on VREG. The internal LDO drops out near 6V, so VBAT must remain above 6V under cold-crank to maintain logic supply.
Estimated: at VBAT=13.5V, VREG=5V, and total internal current draw of 50 mA (Cortex-M0+ active plus LIN recessive), the SiP dissipates about (13.5V - 5V) * 0.050A = 0.425 W internally. The 48-VQFN EP theta_JA is approximately 28 C/W on a 1 oz 4-layer JEDEC EIA/JESD51 2s2p test board, producing roughly 12 C junction rise above ambient. Solder the exposed pad to a copper pour of at least 100 mm^2 on top and bottom layers tied by thermal vias (9 vias in a 3x3 array, 0.3 mm drill) to keep junction temperature within AEC-Q100 Grade 1 limits at +85C ambient body-electronics environments.
Common pitfalls when designing with the ATSAMHA1G17A-MZT-BVAO: (1) omitting the LIN bus master/slave termination resistor (typically 1 kOhm in master, 30 kOhm pull-up in slave) causes dominant-state detection failures; (2) failing to enable the on-die LIN dominant-timeout protection allows a single short-to-battery fault to latch the bus dominant indefinitely; (3) routing the LIN trace near noisy motor PWM traces without a ground guard produces CISPR 25 radiated-emission failures; (4) bypassing the integrated LDO with insufficient capacitance causes VREG droop during LIN dominant-state current pulses.
Thông tin tuân thủ
AEC-Q100 Grade 1 qualified per Microchip product page; automotive suffix 'VAO' denotes qualification over -40C to +125C. RoHS and REACH compliance stated on Microchip and DigiKey product pages.
