ADP5585ACBZ-01-R7 - 10-I/O Keypad Port Expander | Analog Devices
MPN: ADP5585ACBZ-01-R7 ✓ فعالADP5585ACBZ-01-R7 نمای کلی
An I/O expander is an interface IC that increases the number of digital input and output pins available to a host processor. A typical I2C or SPI expander connects through a serial bus, allowing a microcontroller to monitor switches, read a keypad matrix, drive indicators, or control auxiliary signals without dedicating one host pin to every function. The ADP5585 combines this general-purpose expansion role with dedicated keypad-scanning and programmable-logic functions.
The ADP5585 provides 10 configurable I/Os and a 16-event FIFO. Its keypad capability can decode a matrix as large as 6 × 5, reducing the number of host pins and GPIO connections needed for human-interface controls. Programmable logic adds local digital behavior, while the reset generator and PWM generator broaden the device beyond simple level translation or GPIO expansion.
The ADP5585ACBZ-01-R7 option is identified in the Analog Devices datasheet as a configuration intended for a larger 6 × 5 keypad matrix. The integrated FIFO retains event identifiers so software can retrieve recorded keypad events sequentially. This is particularly useful when the host processor must perform other processing between scans or when debounce and event handling need centralized firmware control.
Typical uses include portable-device keypads, camera controls, remote-control panels, healthcare interfaces, and industrial instrumentation. The same device can support general digital I/O expansion when a keypad matrix is not required. Its small 1.59 mm × 1.59 mm 16-WLCSP package is suited to space-constrained systems, although careful PCB layout and assembly planning are necessary because of the fine package geometry.
Designers should confirm the exact pin assignments, electrical limits, serial-interface settings, and supported keypad configuration against the manufacturer datasheet before layout release. Because the verified source data does not expose a public pin table or complete electrical limits in the supplied excerpts, unavailable values should be confirmed from the official ADP5585 datasheet rather than inferred from the orderable MPN.
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مدل‌های هم‌سری که جایگزین مستقیم هستند برای ADP5585ACBZ-01-R7 (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Device Type, PWM Generator, Programmable Logic, Reset Generator.
ADP5585ACBZ-00-R7
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مشاهده دیتاشیت ←ADP5585ACBZ-01-R7 مشخصات
| Product Type | 10-I/O port expander |
| Configurable I/O Count | 10 I/Os |
| Integrated Event FIFO | 16 elements |
| Maximum Keypad Matrix | 6 × 5 |
| Integrated Functions | Keypad matrix decoder, programmable logic, reset generator, and PWM generator |
| نوع رابط | Keypad Entries and I/O Expansion Interface |
| بسته‌بندی | 16-WLCSP |
| Package Dimensions | 1.59 mm × 1.59 mm |
| Package Pin Count | 16 pins |
| نوع نصب | Surface mount |
راهنمای پیکربندی پین ADP5585ACBZ-01-R7 16 pins
پیکربندی پین برای ADP5585ACBZ-01-R7 (پکیج 16 pins). شماره‌گذاری پایه‌ها، عملکردها و نمودارهای اتصال در دیتاشیت سازنده تعریف شده است. برای footprint دقیق و دستورالعمل‌های لحیم‌کاری به آن مراجعه کنید.
داده پین‌آوت تفصیلی موجود نیست برای ADP5585ACBZ-01-R7.
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کاربردهای معمول
ADP5585ACBZ-01-R7 مناسب است برای 6 کاربردs: Portable Device Keypad, Camera and Imaging Controls, Healthcare Instrument Interface, Industrial Instrumentation Panel, Remote Control and HMI Panel, General Digital I/O Expansion.
Portable Device Keypad
The ADP5585ACBZ-01-R7 fits portable keypads that need many switch positions without consuming a comparable number of host-controller pins. According to the manufacturer ADP5585 datasheet, the -01 option supports a matrix as large as 6 × 5, while the integrated 16-element FIFO records events for later processing. In a phone, camera, remote, or wearable accessory, this consolidates keypad scanning and event handling into a 1.59 mm × 1.59 mm 16-WLCSP. The host can read buffered events instead of continuously polling every switch. The tradeoff is that the complete keypad matrix and FIFO configuration must be implemented with verified pull components and timing, while the small package requires careful PCB layout and assembly control.
Camera and Imaging Controls
The ADP5585ACBZ-01-R7 can add local control inputs to a camera or imaging module that already has a serial host interface. Its 10 configurable I/Os support general digital controls, while the 6 × 5 keypad capability can handle a dense shutter, menu, or function keypad. The built-in 16-element FIFO is valuable when the image processor is occupied during capture and cannot service every key transition immediately. Using the expander reduces direct GPIO allocation on the host processor without replacing the processor’s principal communications role. Final design work must verify electrical logic levels, row and column wiring, and event handling against the complete datasheet.
Healthcare Instrument Interface
The ADP5585ACBZ-01-R7 is suitable for healthcare equipment that needs a compact front-panel keypad or additional digital controls. The Analog Devices ADP5585 datasheet identifies healthcare instrumentation among the broader use cases for I/O expanders, and this device combines keypad decoding with programmable logic, reset generation, and PWM generation. Those integrated functions can reduce the number of separate peripherals required near a control panel. The 16-element FIFO provides a defined path for retaining events during host processing. Engineers must still confirm medical-system requirements, electrical limits, reset behavior, and applicable compliance obligations because those details are not contained in the verified search excerpts.
Industrial Instrumentation Panel
The ADP5585ACBZ-01-R7 can expand digital controls in an industrial instrument where panel space and host GPIO availability are constrained. A 6 × 5 matrix supports a compact keypad for configuration or channel selection, while other configurable I/Os can handle discrete controls or status signals. The 16-element FIFO helps isolate the human interface from the main control loop, allowing queued events to be processed when the host is available. The integrated reset generator and PWM generator may reduce auxiliary component count. Because the verified excerpts do not specify industrial temperature ratings, logic thresholds, or EMC performance, those requirements must be confirmed from the official datasheet before deployment.
Remote Control and HMI Panel
The ADP5585ACBZ-01-R7 is appropriate for remote-control and human-machine-interface panels requiring a dense keypad plus auxiliary digital functions. The manufacturer describes portable remote controls as an application for this I/O-expander family, and the -01 option supports the larger 6 × 5 matrix. By placing the keypad decoder and FIFO close to the switch matrix, the design can reduce long host-board routing and consolidate event acquisition. Its PWM and programmable-logic functions can support additional panel behavior without using multiple host GPIO pins. Layout work should separate sensitive switch and serial-interface routing from noisy power paths and should verify the required passive components against the complete datasheet.
General Digital I/O Expansion
The ADP5585ACBZ-01-R7 also supports general digital I/O expansion when a design does not require a full keypad. Its 10 configurable I/Os can reduce host-controller pin demand, while the integrated programmable logic, reset generator, and PWM generator add local functions beyond basic input or output extension. The 16-WLCSP package is useful in compact portable and embedded systems, although the 1.59 mm × 1.59 mm footprint demands fine-pitch layout, stencil, and inspection planning. Before schematic release, engineers should confirm which pins support input, output, or alternate functions, along with voltage domains and timing limits, because those details are unavailable in the verified source excerpts.
داده‌های مرجع مهندسی برای ADP5585ACBZ-01-R7 — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | ADP5585ACBZ-00-R7 |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Package | 16-WLCSP (1.59 mm × 1.59 mm) | 16-WLCSP (1.59 mm × 1.59 mm) - same |
| Configurable I/O Count | 10 I/Os | 10 I/Os |
| Integrated Functions | Keypad decoder, programmable logic, reset generator, and PWM generator | Keypad entries and I/O expansion interface |
تفاوت‌های کلیدی
- Supports the larger keypad matrix option (در مقابلADP5585ACBZ-00-R7)
- Combines expansion and panel-control functions (در مقابلADP5585ACBZ-00-R7)
- Supports event-oriented keypad handling (در مقابلADP5585ACBZ-00-R7)
یادداشت‌های طراحی
Treat the 16-WLCSP as a fine-pitch assembly constraint rather than a conventional 16-pin IC. Provide pad geometry and solder mask apertures that match the manufacturer land pattern, route escape traces away from exposed or sensitive nodes, and confirm the stencil and reflow profile with the package documentation. The verified package is only 1.59 mm × 1.59 mm, so inspection and assembly process controls are as important as the electrical schematic.
Route the serial interface and keypad lines as controlled-impedance or short, quiet traces where applicable, and keep them away from switching-node and high-current return paths. The supplied excerpts do not provide the bus rate, input thresholds, pull requirements, or timing margins, so these values must be taken from the full manufacturer datasheet. Avoid adding large capacitive loads to communication pins without confirming the specified loading conditions.
Do not assume that every ADP5585 option supports the same maximum keypad matrix. The manufacturer datasheet specifically associates the ADP5585ACBZ-01-R7 with the larger 6 × 5 configuration, and it also explains that smaller configured matrices expose only a limited subset of FIFO event identifiers. Verify row and column selection, event identifiers, and FIFO behavior for the exact matrix being implemented.
Plan bypass capacitance only after confirming the device's supply pins, voltage range, and recommended capacitor values in the official datasheet. The verified search excerpts do not disclose those details, so generic bulk or inrush capacitors should not be substituted blindly. Validate startup, reset behavior, and the interaction between the reset generator and host power sequencing as part of the system-level schematic review.
اطلاعات انطباق
The supplied verified web data does not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is marked not applicable because the product is an interface IC and no automotive qualification was identified.
