ADP5589ACPZ-01-R7 - 19-Channel GPIO Key Controller | Analog Devices
N.º de pieza: ADP5589ACPZ-01-R7 ✓ ActivoADP5589ACPZ-01-R7 Descripción general
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.
Alternativas directas para ADP5589ACPZ-01-R7 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ADP5589ACPZ-01-R7 (mismo factor de forma y huella).
ADP5589ACPZ-02-R7
✅ Sustitución directaConsulte el precio
Ver hoja de datos →ADP5589ACPZ-00-R7
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADP5589ACPZ-00-R2
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADP5589ACPZ-00-RL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADP5589ACPZ-01-R7 Especificaciones
| 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 |
| Tipo de montaje | Surface mount |
Guía de configuración de pines de ADP5589ACPZ-01-R7 3.5 mm x 3.5 mm
Configuración de pines para ADP5589ACPZ-01-R7 (encapsulado 3.5 mm x 3.5 mm). La numeración de pines, las funciones y los diagramas de conexión se definen en la hoja de datos del fabricante. Consúltela para conocer el footprint exacto y las directrices de soldadura.
No hay datos detallados de patillaje disponibles para ADP5589ACPZ-01-R7.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ADP5589ACPZ-01-R7 es adecuado para 6 aplicacións: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADP5589ACPZ-01-R7 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 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 |
Diferenciadores clave
- Integrated keypad decoding and GPIO expansion (frente a ADP5589ACPZ-00-R7)
- Event-driven panel operation (frente a ADP5589ACPZ-02-R7)
- Compact multifunction integration (frente a ADP5589ACPZ-00-R2)
- Established same-family sourcing path (frente a ADP5589ACPZ-00-RL)
Notas de diseño
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.
Información de cumplimiento
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.
