ADP5585ACPZ-03-R7 - 10-I/O Keypad Controller | Analog Devices
MPN: ADP5585ACPZ-03-R7 ✓ فعالADP5585ACPZ-03-R7 نمای کلی
An I/O expander is an interface IC that increases the number of general-purpose input/output pins available to a microcontroller or system processor. It sits between the host and external controls, allowing a device with limited pin count to operate keypads, indicators, interlocks, and other digital peripherals. The ADP5585 expands this role by including a keypad matrix decoder and programmable logic, reducing the host burden associated with scanning switch matrices and recording button events.
Key verified features include 10 configurable I/Os, a built-in keypad matrix decoder, programmable logic, a reset generator, and a PWM generator. A 16-element FIFO supports event recording, allowing qualifying input events to be retained and transferred over the serial interface. The device is intended for portable equipment such as phones, remote controls, and cameras, as well as non-portable healthcare, industrial, and instrumentation systems.
The ADP5585 combines GPIO expansion with peripheral functions in one small package. Its I2C control path provides a practical way to add external interfaces without assigning a dedicated host GPIO to every keypad line or status indicator. Register-programmable behavior allows the same device family to support different board layouts, while the reset and PWM blocks reduce the need for separate discrete functions in compact control systems.
The target suffix identifies the 16-LFCSP, 3 x 3 mm, tape-and-reel configuration. The ACPZ-03-R7 version is distinguished from other ADP5585 variants primarily by its device address and detailed configuration options. Because the I2C address differs from 0x34, firmware and bus planning should specifically account for the 0x30 address of this ordering code rather than assuming the address used by every other device in the family.
Designers should confirm pin functions, exposed-pad requirements, address selection, and electrical limits directly against the manufacturer datasheet before layout release. I2C pull-up placement, bus capacitance, level compatibility, and the exposed thermal and electrical pad connection must be evaluated on the complete board rather than in isolation.
This page consolidates the verified manufacturer function description, distributor ordering data, package information, I2C-address distinction, and family cross-references into one engineering-focused record. It also identifies which replacement details remain unverified, helping engineers distinguish confirmed pin-compatible family references from assumptions that would require schematic, firmware, and datasheet review.
جایگزین‌های drop-in برای ADP5585ACPZ-03-R7 — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای ADP5585ACPZ-03-R7 (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Programmable Logic, Product Type, Event FIFO, PWM Generator.
ADP5585ACPZ-00-R7
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ADP5585ACBZ-02-R7
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ADP5585ACBZ-00-R7
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ADP5585ACBZ-01-R7
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ADP5585ACPZ-03-R7 مشخصات
| Product Type | 10-I/O port expander with keypad matrix decoder |
| Number of Configurable I/Os | 10 I/Os |
| Keypad Support | Built-in keypad matrix decoder |
| Programmable Logic | Integrated programmable logic |
| Reset Function | Integrated reset generator |
| PWM Function | Integrated PWM generator |
| Event FIFO | 16 elements |
| Host Interface | I2C |
| I2C Device Address | 0x30 for ADP5585ACPZ-03-R7 |
| ولتاژ تغذیه | 3.6 V |
| بسته‌بندی | 16-LFCSP (3 x 3 mm) |
| نوع نصب | Surface mount |
| Shipping Package | Tape and reel |
| Internal Pull-Up Configuration | No pull-up |
| Halogen-Free Status | Compliant |
| ECCN | EAR99 |
| Estimated End-of-Life Date | 2028 |
راهنمای پیکربندی پین ADP5585ACPZ-03-R7 tape and reel
پیکربندی پین برای ADP5585ACPZ-03-R7 (پکیج tape and reel). 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 ADP5585ACPZ-03-R7.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
ADP5585ACPZ-03-R7 مناسب است برای 6 کاربردs: Portable Device Keypad Interface, Camera and Remote Control Panels, Healthcare Control Panels, Industrial Instrumentation Interfaces, Programmable Logic and Reset Support, Remote and Distributed I/O Expansion.
Portable Device Keypad Interface
The ADP5585ACPZ-03-R7 fits portable products that need more switch inputs than the host processor can expose directly. Its integrated keypad matrix decoder can scan a matrix and report events through the 10 configurable I/Os, while the 16-element FIFO records qualifying activity for later retrieval over I2C. This architecture reduces direct host-GPIO demand and simplifies firmware compared with routine switch scanning. The device's 3.6 V supply and compact 16-LFCSP package are especially relevant to phones, remote controls, and cameras. Firmware must use I2C address 0x30 for this ordering code and should confirm key debounce, event timing, and electrical limits in the datasheet.
پیشنهادی
Camera and Remote Control Panels
In a camera or remote-control panel, the ADP5585ACPZ-03-R7 can consolidate tactile keys, status indicators, and programmable logic behind one I2C interface. The ten configurable I/Os provide a practical expansion path, while the internal keypad decoder and event FIFO help the host recognize button sequences without dedicating a separate GPIO pin to every switch. Its 3.6 V operation aligns with many compact embedded systems, and the 3 x 3 mm LFCSP preserves board area. Because the -03-R7 option uses address 0x30, firmware, address allocation, and any bus-scan routines must explicitly recognize that address rather than applying the 0x34 used by most other family members.
پیشنهادی
Healthcare Control Panels
The ADP5585ACPZ-03-R7 is applicable to healthcare equipment that needs local key, indicator, and general-purpose I/O handling without loading every host GPIO. Its built-in keypad matrix decoder supports organized user-interface scanning, while programmable logic can assist with configurable control behavior and the 16-element FIFO can capture events for polling by the main processor. The I2C interface permits economical integration in space-constrained instruments. For medical designs, however, the ADP5585 is not represented in the supplied data as an AEC-Q100-qualified component, and the complete operating-temperature, isolation, safety, and regulatory requirements must be assessed separately before use in diagnostic or life-support equipment.
پیشنهادی
Industrial Instrumentation Interfaces
The ADP5585ACPZ-03-R7 can extend industrial instrumentation with local control inputs, panel outputs, and a decoded keypad while retaining a compact serial connection to the main controller. Its 10 configurable I/Os allow the same device to serve mixed digital interface needs, and the programmable-logic, reset, and PWM blocks may reduce support circuitry in specialized panels. The 16-element FIFO provides a record of interface events, which can simplify host polling when events are intermittent. Engineering validation should include the exact industrial temperature range, logic thresholds, I2C timing, and exposed-pad layout, because these details are not available in the supplied search excerpts and must be confirmed from the manufacturer datasheet.
پیشنهادی
Programmable Logic and Reset Support
The ADP5585ACPZ-03-R7 is useful in control boards that need more than simple GPIO pass-through. Its integrated programmable logic can implement configurable digital behavior, while the dedicated reset generator and PWM generator provide additional functions without requiring separate devices for every task. Ten configurable I/Os allow the host to route the part between input monitoring, output control, and auxiliary functions as the platform requires. The 16-LFCSP package supports compact implementation, while I2C control enables centralized configuration. Board designers should verify allowable logic configurations, timing constraints, and whether the PWM and reset functions conflict with selected GPIO assignments by consulting the complete datasheet rather than relying on the high-level product description.
پیشنهادی
Remote and Distributed I/O Expansion
The ADP5585ACPZ-03-R7 can provide distributed I/O capacity in a larger control system where a remote panel or daughtercard requires additional keys and outputs. Because the device communicates through I2C, the host can manage the expander over an existing bus and use the 10 configurable I/Os for local panel functions. The 16-element event FIFO is useful when the host polls intermittently because recently detected events can be read without continuously scanning every switch. If several remote branches share the bus, buffering or hub components may be required. The system designer must confirm supported bus speed, pull-up requirements, address allocation, and electrical distance from the datasheet; these parameters were not supplied in the verified excerpts.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای ADP5585ACPZ-03-R7 — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | ADP5585ACPZ-00-R7 | ADP5585ACBZ-02-R7 | ADP5585ACBZ-00-R7 | ADP5585ACBZ-01-R7 |
|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 16-LFCSP (3 x 3 mm) | 16-LFCSP (3 x 3 mm) | 16-LFCSP (3 x 3 mm) | 16-LFCSP (3 x 3 mm) | 16-LFCSP (3 x 3 mm) |
| Product Function | 10-I/O port expander with keypad decoder | ADP5585 family I/O expander and keypad controller | ADP5585 family I/O expander and keypad controller | ADP5585 family I/O expander and keypad controller | ADP5585 family I/O expander and keypad controller |
| Number of I/Os | 10 configurable I/Os | 10 configurable I/Os | 10 configurable I/Os | 10 configurable I/Os | 10 configurable I/Os |
| I2C Device Address | 0x30 | 0x34 | 0x34 | 0x34 | 0x34 |
| Keypad Matrix Decoder | Yes | Yes | Yes | Yes | Yes |
| Event FIFO | 16 elements | 16 elements | 16 elements | 16 elements | 16 elements |
| Programmable Logic | Yes | Yes | Yes | Yes | Yes |
| Reset Generator | Yes | Yes | Yes | Yes | Yes |
| PWM Generator | Yes | Yes | Yes | Yes | Yes |
تفاوت‌های کلیدی
- Distinct I2C address for this ordering code (در مقابلADP5585ACPZ-00-R7)
- Integrated control functions reduce external discrete support (در مقابلADP5585ACBZ-00-R7)
- Compact mixed-signal control integration (در مقابلADP5585ACBZ-02-R7)
یادداشت‌های طراحی
Before committing the layout, verify the complete 16-pin assignment and exposed-pad requirements in the official ADP5585 datasheet. The verified sources establish a 16-LFCSP, 3 x 3 mm package but do not provide the numbered pin table. Place I2C routing away from switching nodes, maintain the manufacturer's recommended component spacing, and follow the documented exposed-pad land pattern. Do not infer no-connect or power pins from the generic package name.
Decouple the 3.6 V supply locally and route the return path according to the manufacturer's guidance. The supplied data does not specify the input capacitance range, operating-voltage tolerance, or power-supply sequencing requirements, so these values must be confirmed in the datasheet. The embedded reset generator and PWM outputs should not be assumed to tolerate independent loads or rail sequencing outside the documented operating conditions.
Treat the I2C bus as a shared signal-integrity and bus-capacity design problem. Use pull-up values that satisfy the bus rise time at the maximum supported clock rate while remaining within the device's sink-current limits. The supplied excerpts do not state the maximum I2C frequency, so do not select the rate from generic I2C assumptions; obtain the verified timing limits from the ADP5585 datasheet and validate the longest PCB branch.
The largest substitution pitfall is the I2C address: ADP5585ACPZ-03-R7 uses 0x30, while the datasheet excerpt states that the other models use 0x34. Review firmware constants, address scanners, pull-up strategy, and multi-device allocation before changing ordering codes. Also confirm that an ADP5585ACBZ variant has the same ACPZ footprint and exposed-pad implementation; family membership alone does not prove drop-in interchangeability.
Do not interpret the 16-element FIFO as unlimited event storage. Provision firmware to drain pending events, account for simultaneous GPIO activity, and use interrupts or polling appropriate to the host system. If keypad scanning, programmable logic, reset, PWM, and general I/O functions share resources, inspect the register map for conflicts before assigning all ten I/Os simultaneously.
اطلاعات انطباق
The verified cross-reference record states that ADP5585ACPZ-03-R7 is halogen-free compliant and lists ECCN as EAR99. RoHS, REACH, lead-free, and conflict-minerals declarations were not present in the supplied data. AEC-Q100 is not applicable based on the available product classification, but no automotive qualification claim is made.
