ADP5589ACPZ-01-R7 - 19-Channel GPIO Key Controller | Analog Devices
MPN: ADP5589ACPZ-01-R7 ✓ فعالADP5589ACPZ-01-R7 نمای کلی
An I/O expander is an interface IC that increases the number of general-purpose input/output pins available to a host processor. The ADP5589 belongs to the broader GPIO expander hierarchy and combines conventional port expansion with dedicated keypad-scanning functions. Its integrated keypad matrix decoder can handle QWERTY-size keyboards, while its programmable I/O channels can operate as inputs or outputs for control, status, and discrete interface signals.
Key features include 19 configurable I/O channels, integrated keypad decoding, press and release interrupts, keypad lock and unlock functions, programmable logic, reset generation, and a PWM generator. The 16-element FIFO records GPIO or keypad events so the host processor can retrieve them through the serial interface. The -01 ordering code identifies a specific configuration within the ADP5589 family, while the -00 and -02 ordering codes represent other family variants whose detailed configuration differences require datasheet-level verification.
The ADP5589 uses an I2C interface to connect a relatively low-pin-count microcontroller or application processor to additional keypad rows, columns, LEDs, control signals, or status inputs. Programmable logic can offload simple decision functions from the host processor, while the FIFO helps separate event production from event processing. This combination is especially useful when the host lacks sufficient direct GPIO pins or when a matrix keypad must share the same bus with other low-speed peripherals.
Typical uses include QWERTY-size keypad interfaces in portable and medical equipment, camera and remote-control panels, industrial instrumentation, and compact human-machine interfaces. It is also applicable to GPIO-heavy control panels where key events, indicator outputs, and switch inputs must be managed over I2C. The small 3.5 mm × 3.5 mm package supports compact PCB layouts, although exposed-pad thermal management and careful high-speed trace routing remain important.
Designers should verify the -01 variant’s register map and configuration limits against the current Analog Devices datasheet before treating another ordering code as a drop-in replacement. I2C pull-up placement, exposed-pad soldering, bus capacitance, and FIFO interrupt handling are the primary implementation considerations. The verified source data does not provide a complete pin list, operating-temperature range, current consumption, or exact logic thresholds.
جایگزینهای drop-in برای ADP5589ACPZ-01-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 ADP5589ACPZ-01-R7 (همان فرمفاکتور و فوتپرینت).
ADP5589ACPZ-02-R7
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ADP5589ACPZ-00-R7
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ADP5589ACPZ-00-R2
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ADP5589ACPZ-00-RL
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ADP5589ACPZ-01-R7 مشخصات
| Number of GPIO Channels | 19 channels |
| Integrated Keypad Matrix Capacity | QWERTY-size keyboard |
| Event FIFO Depth | 16 elements |
| Host Interface | I2C |
| Maximum Supply Voltage | 3.6 V |
| Package Pin Count | 24 pins |
| Package Type | LFCSP-WQ |
| Package Dimensions | 3.5 mm x 3.5 mm |
| Integrated Functions | GPIO expander, keypad matrix decoder, programmable logic, reset logic, and PWM generator |
| Keypad Features | Key press and release interrupts; keypad lock and unlock functions |
| I/O Configuration | 19 configurable channels |
| نوع نصب | Surface mount |
راهنمای پیکربندی پین ADP5589ACPZ-01-R7 3.5 mm x 3.5 mm
پیکربندی پین برای ADP5589ACPZ-01-R7 (پکیج 3.5 mm x 3.5 mm). 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 ADP5589ACPZ-01-R7.
به دیتاشیت برای پیکربندی کامل پینها.
کاربردهای معمول
ADP5589ACPZ-01-R7 مناسب است برای 6 کاربردs: Portable Device Keypad, Industrial Control Panel, Medical Equipment Interface, Camera and Remote Control, Test and Measurement Front Panel, Instrumentation and Data Entry.
Portable Device Keypad
The ADP5589ACPZ-01-R7 fits portable keypad products because it combines a QWERTY-size keypad matrix decoder with 19 configurable I/O channels in a compact 3.5 mm × 3.5 mm LFCSP-WQ package. The host processor can communicate over I2C instead of dedicating direct GPIO pins to every key matrix connection. Press and release interrupts allow the processor to respond without continuously polling, while the 16-element FIFO records events for later retrieval. For battery-powered equipment, the design team must verify the operating supply range and current consumption because those values were not present in the supplied data. Firmware should also account for FIFO overflow, debounce behavior, and any configuration-specific register differences associated with the -01 ordering code.
پیشنهادی
Industrial Control Panel
ADP5589ACPZ-01-R7 is suitable for industrial control panels that combine keypad entry, switch monitoring, status lamps, and programmable logic behind a single I2C host connection. Its 19 configurable channels can expand the processor’s available GPIO resources, while programmable logic can execute simple local decision functions without immediate host intervention. The integrated PWM generator is useful for LED indication or other pulse-based interface functions. The 16-element FIFO provides a record of key and GPIO events for later processing. The device is listed for operation up to 3.6 V, so it fits low-voltage control systems, but industrial temperature, EMC, and long-term availability requirements must be checked against the complete manufacturer documentation and your operating environment.
پیشنهادی
Medical Equipment Interface
The ADP5589ACPZ-01-R7 can support the low-speed user interface of medical equipment by decoding keypad input and expanding discrete I/O over I2C. Press and release interrupts provide event-driven communication with a medical controller, and the 16-element FIFO can queue events so the main processor does not lose short-lived input activity. The integration of GPIO expansion and keypad scanning can reduce wiring and component count in a compact panel. However, medical use requires validation against the applicable device qualification, safety, and environmental requirements, none of which are established by the supplied sources. Engineers should verify operating temperature, supply behavior, logic thresholds, and reset response in the current datasheet before using the ADP5589 in a safety-relevant path.
پیشنهادی
Camera and Remote Control
ADP5589ACPZ-01-R7 fits camera, remote-control, and compact human-machine-interface products that need several buttons and status lines without an I/O-heavy host package. Its keypad matrix decoder can handle a QWERTY-size keyboard, while the additional configurable I/O channels support switches, indicators, and control signals. The I2C interface provides a compact connection to a camera or application processor, and the 16-element FIFO helps retain key events until the host services them. The 3.5 mm × 3.5 mm LFCSP-WQ package supports compact layouts, but the exposed-pad connection must be implemented according to the current land-pattern guidance. Firmware should include debounce and event-overflow handling because the supplied distributor data does not specify those timing limits.
پیشنهادی
Test and Measurement Front Panel
ADP5589ACPZ-01-R7 can consolidate the keypad, mode controls, indicators, and programmable logic used on a test-and-measurement front panel. A host instrument communicates over I2C, while 19 configurable channels handle more than a simple matrix keypad. Press and release interrupts support responsive operation, and programmable logic can implement local panel behavior without immediately involving the instrument controller. The FIFO provides a record of recent input events, which is useful when operator activity can arrive faster than the main processor handles it. Before production use, verify the device’s electrical limits and temperature grade in the current datasheet, and follow the exposed-pad and layout recommendations to avoid thermal or assembly reliability problems.
پیشنهادی
Instrumentation and Data Entry
ADP5589ACPZ-01-R7 is appropriate for instrumentation products requiring QWERTY-style numeric or operator entry plus discrete I/O. The matrix keypad decoder allows a compact key arrangement, while the 19 GPIO channels can monitor switches or drive control indicators. I2C communication reduces the number of processor pins required, and the 16-element event FIFO separates key-event production from the host’s main processing loop. Programmable logic can potentially handle simple local conditions, although the exact functions and timing must be confirmed in the manufacturer documentation. Since the supplied sources do not provide full electrical limits or temperature ratings, instrument designers should verify those specifications and conduct EMC, ESD, and temperature validation appropriate to the final enclosure and end-market environment.
پیشنهادی
خلاصه محصولات پیشنهادی
دادههای مرجع مهندسی برای ADP5589ACPZ-01-R7 — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزینها
| پارامتر | این محصول | ADP5589ACPZ-02-R7 | ADP5589ACPZ-00-R7 | ADP5589ACPZ-00-R2 | ADP5589ACPZ-00-RL |
|---|---|---|---|---|---|
| Package | 24-LFCSP-WQ (3.5 mm x 3.5 mm) | 24-LFCSP-WQ (3.5 mm x 3.5 mm) | 24-LFCSP-WQ (3.5 mm x 3.5 mm) | 24-LFCSP-WQ (3.5 mm x 3.5 mm) | 24-LFCSP-WQ (3.5 mm x 3.5 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| GPIO Channels | 19 channels | 19 channels | 19 channels | 19 channels | 19 channels |
| Keypad Matrix Decoder | Yes; QWERTY-size keyboard supported | Yes; ADP5589 family | Yes; ADP5589 family | Yes; ADP5589 family | Yes; ADP5589 family |
| Event FIFO | 16 elements | 16 elements | 16 elements | 16 elements | 16 elements |
| Host Interface | I2C | I2C | I2C | I2C | I2C |
| Programmable Logic | Integrated | Integrated; ADP5589 family | Integrated; ADP5589 family | Integrated; ADP5589 family | Integrated; ADP5589 family |
| PWM Generator | Integrated | Integrated; ADP5589 family | Integrated; ADP5589 family | Integrated; ADP5589 family | Integrated; ADP5589 family |
| Ordering-Code Configuration | -01 configuration | -02 configuration; exact delta not supplied | -00 configuration; exact delta not supplied | -00-R2 ordering code; exact delta not supplied | -00-RL ordering code; exact delta not supplied |
تفاوتهای کلیدی
- Integrated keypad decoding and GPIO expansion (در مقابلADP5589ACPZ-00-R7)
- Event-driven panel operation (در مقابلADP5589ACPZ-02-R7)
- Compact multifunction integration (در مقابلADP5589ACPZ-00-R2)
- Established same-family sourcing path (در مقابلADP5589ACPZ-00-RL)
یادداشتهای طراحی
Place the ADP5589ACPZ-01-R7 close to the keypad or I/O connector and route the I2C bus as a short, continuous path. The supplied data does not provide the complete pinout or land pattern, so the exposed-pad connection, via arrangement, and component placement must follow the current Analog Devices package drawing. Confirm that the selected board footprint matches the 24-LFCSP-WQ 3.5 mm × 3.5 mm package before releasing artwork.
Confirm the I2C pull-up voltage and resistance against the 3.6 V maximum supply rating and the bus capacitance of the assembled board. Place pull-up resistors where the Analog Devices reference design or datasheet guidance indicates, and avoid long branches between the ADP5589 and other bus devices. The retrieved sources do not provide supported bus speed, logic thresholds, or capacitance limits, so those values must be taken from the current datasheet rather than estimated.
Do not substitute an ADP5589 ordering code solely because it has the same 24-LFCSP-WQ package. The -00, -00-R2, -00-RL, -01, and -02 candidates appeared in the verified same-family listings, but their detailed configuration deltas were not provided. Compare register defaults, interrupt sources, GPIO mapping, keypad behavior, reset logic, PWM configuration, and exposed-pad requirements before approving any drop-in substitution or changing production firmware.
Validate the complete power budget using the datasheet’s operating and quiescent-current limits, which were not included in the supplied web data. The Arrow listing identifies a 3.6 V maximum supply rating, but maximum voltage alone does not establish margin, current capability, or battery suitability. Verify the minimum operating voltage, rail tolerances, current consumption in each operating mode, and the behavior of the integrated reset and PWM functions before finalizing the power architecture.
اطلاعات انطباق
The supplied sources do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals compliance. Verify these statuses on the current Analog Devices product page, material declaration, and ordering documentation before production release.