ADP5585ACPZ-01-R7 - 10-I/O Keypad Controller | Analog Devices
MPN: ADP5585ACPZ-01-R7 ✓ نشطADP5585ACPZ-01-R7 نظرة عامة
An I/O expander is an interface IC that extends the number of digital input and output lines available to a processor through a serial bus. In the product hierarchy, the ADP5585 is an I/O expander, an interface IC, and a power-management-adjacent system-support semiconductor. Its integration of keypad scanning, programmable logic, reset generation, and PWM generation can replace several discrete peripheral functions while conserving host-controller pins.
The principal features include 10 configurable I/Os, a keypad matrix decoder supporting programmable scan operations, a 16-element FIFO for event recording, programmable logic, and a dedicated PWM generator. These functions are useful in handheld products, remote controls, cameras, healthcare equipment, industrial instrumentation, and human-interface panels. The integrated architecture reduces component count and can simplify firmware by moving repetitive scanning and event handling into dedicated hardware.
Communication occurs through I2C-compatible serial transactions. According to the manufacturer datasheet, a transaction begins with a start condition, followed by the 7-bit device address and read/write bit. For ADP5585ACPZ-01-R7, the device address is 0x34, distinguishing it from the ADP5585ACPZ-03-R7 version, which uses 0x30. The part acknowledges the address byte by pulling the data line low, allowing the host to confirm that the target device is present and responding.
Typical uses include portable-device keypads, camera control interfaces, remote-control panels, medical monitoring equipment, and industrial instrumentation. In each case, the device can manage multiple digital lines and matrix-scanning tasks while the main processor handles higher-level application logic. In designs requiring multiple PWM outputs, the internal generator reduces the need for external PWM circuitry, although exact timing, current, and configuration limits must be taken from the manufacturer datasheet.
The principal design consideration is firmware and bus planning. Because the -01 and -03 order codes use different 7-bit I2C addresses, multiple identical devices can coexist on one bus if address selection and pull-up requirements are managed correctly. Firmware should also account for FIFO overflow conditions, event ordering, and the difference between input, output, and keypad-scanner configurations. The 3 x 3 mm LFCSP package requires a qualified land pattern and careful inspection because its small dimensions make solder bridging and assembly defects a concern.
This product page consolidates verified manufacturer descriptions, distributor availability, family-level alternatives, interface details, and practical design guidance. It distinguishes confirmed ADP5585 features from parameters that still require verification in the manufacturer datasheet, helping engineers assess fit before beginning a PCB layout or firmware implementation.
بدائل مباشرة لـ ADP5585ACPZ-01-R7 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع ADP5585ACPZ-01-R7 (نفس عامل الشكل والبصمة) — يختلف في Package, Programmable Logic, Product Type, Event FIFO, PWM Generator.
ADP5585ACPZ-00-R7
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ADP5585ACPZ-03-R7
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ADP5585ACPZ-01-R7 المواصفات
| Product Type | 10-I/O port expander with keypad matrix decoder |
| Number of Configurable I/Os | 10 I/Os |
| Serial Interface | I2C-compatible interface |
| 7-Bit I2C Address | 0x34 |
| Event Recording FIFO | 16 elements |
| Integrated Functions | Keypad matrix decoder, programmable logic, reset generator, and PWM generator |
| العلبة | 16-LFCSP (3 x 3 mm) |
| نوع التركيب | Surface mount |
دليل تكوين أطراف ADP5585ACPZ-01-R7 16-lfcsp (3 x 3 mm)
تكوين الأطراف لـ ADP5585ACPZ-01-R7 (حزمة 16-lfcsp (3 x 3 mm)). يتم تعريف ترقيم الأطراف والوظائف ومخططات التوصيل في ورقة البيانات الفنية من الشركة المصنعة. راجعها للحصول على البصمة الدقيقة وإرشادات اللحام.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ ADP5585ACPZ-01-R7.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
ADP5585ACPZ-01-R7 مناسب لـ 6 التطبيقs: Portable-Device Keypad Interface, Camera and Remote-Control Human Interface, Medical Monitoring User Interface, Industrial Instrumentation Control Panel, Programmable LED and Indicator Control, Multi-Device I2C Expansion.
Portable-Device Keypad Interface
The ADP5585ACPZ-01-R7 fits portable-device keypads because it combines 10 configurable I/Os with a dedicated keypad matrix decoder in a compact 3 x 3 mm package. According to the Analog Devices manufacturer datasheet, its 16-element FIFO can record input events while the host processor performs higher-level tasks, reducing the need to poll individual matrix rows and columns continuously. The I2C address of 0x34 also allows the device to coexist predictably with another ADP5585 configuration that uses 0x30. The principal design trade-off is that matrix scanning and event interpretation require deliberate register and firmware configuration. Engineers should confirm supported matrix dimensions, debounce behavior, electrical levels, and the applicable operating limits in the official datasheet before committing the 16-LFCSP layout.
موصى به
Camera and Remote-Control Human Interface
The ADP5585ACPZ-01-R7 is suitable for camera bodies and remote controls because it can add 10 configurable digital I/Os without dedicating the same number of pins on the host processor. Its integrated keypad matrix decoder handles scanning tasks, while programmable logic and a 16-element event FIFO help organize button events. A separate PWM generator can support a motor, indicator, or other periodic function where the host would otherwise need another peripheral. According to the Analog Devices manufacturer product information, portable devices and remote controls are intended application areas for the ADP5585 family. Designers should use the 0x34 address in firmware, confirm the required logic levels, and review low-power behavior before choosing this device for battery-operated equipment.
موصى به
Medical Monitoring User Interface
The ADP5585ACPZ-01-R7 can support the human-interface section of medical monitoring equipment by consolidating keypad scanning and configurable digital I/O into one interface IC. According to the Analog Devices manufacturer product information, healthcare equipment is an intended ADP5585 application area. The 16-element FIFO provides a defined event-recording path, while programmable logic can assist with deterministic control tasks close to the peripheral interface. Using the expander can reduce host-controller pin pressure in compact instruments with multiple buttons, indicators, and status lines. The design must still treat the device as part of a safety- and compliance-relevant system: the supplied evidence does not specify medical certification, so developers must complete their own hazard analysis, isolation review, validation, and electrical verification against the manufacturer datasheet.
موصى به
Industrial Instrumentation Control Panel
The ADP5585ACPZ-01-R7 suits industrial instrumentation panels that need a keypad front end and several auxiliary digital controls. Its 10 configurable I/Os can be assigned to keypad or general-purpose functions, and the integrated programmable logic can help keep simple control decisions close to the interface. According to the Analog Devices manufacturer product page, industrial instrumentation is an intended application area for the ADP5585 family. The 16-LFCSP package also conserves board area, which is valuable in densely populated controller boards. For industrial deployment, engineers should verify supply-voltage limits, logic thresholds, I/O current capability, reset behavior, and environmental requirements against the official datasheet. A robust product design should also include pull-up review, ESD planning, and fault handling for bus or peripheral failures.
موصى به
Programmable LED and Indicator Control
The ADP5585ACPZ-01-R7 can complement a host processor in systems that require multiple indicators, controls, or a combination of keypad and auxiliary outputs. Its 10 configurable I/Os reduce direct GPIO usage, while the built-in programmable logic can execute defined digital functions without occupying continuous host-processing time. The internal PWM generator is particularly useful when an application needs a periodic signal beyond simple static logic, although the available output count, frequency, resolution, and drive capability must be confirmed in the manufacturer datasheet. The FIFO helps separate event capture from host-side processing. Layout planning should account for the small 3 x 3 mm LFCSP footprint, assembly inspection, and clean separation between sensitive keypad traces and switching or power-supply nodes.
موصى به
Multi-Device I2C Expansion
The ADP5585ACPZ-01-R7 is useful when a system needs to extend processor I/O without adding a large multiplexed interface board. It provides 10 configurable lines, a keypad matrix decoder, programmable logic, reset generation, and PWM generation through one I2C-connected device. According to the Analog Devices manufacturer datasheet, the -01 order code uses address 0x34, while the -03 order code uses 0x30, providing a straightforward family-level path to two distinct bus addresses. Multi-device designs should still verify address-selection implementation, pull-up resistance, bus capacitance, and operating-speed limits using the official documentation. The component reduces host pin count and discrete peripheral count, but firmware must define each I/O mode and handle FIFO, reset, and communication-error conditions consistently.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ ADP5585ACPZ-01-R7 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | ADP5585ACPZ-00-R7 | ADP5585ACPZ-03-R7 |
|---|---|---|---|
| Package | 16-LFCSP (3 x 3 mm) | 16-LFCSP (3 x 3 mm) - same | 16-LFCSP (3 x 3 mm) - same |
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Product Family | ADP5585 I/O expander and keypad decoder | ADP5585 I/O expander and keypad decoder | ADP5585 I/O expander and keypad decoder |
| Number of Configurable I/Os | 10 I/Os | 10 I/Os | 10 I/Os |
| Integrated Functions | Keypad matrix decoder, programmable logic, reset generator, PWM generator | Keypad matrix decoder and I/O expansion family | Keypad matrix decoder and I/O expansion family |
أبرز الفروقات
- Combines four peripheral functions in one compact device (مقابلADP5585ACPZ-00-R7)
- Supports a distinct I2C address for multi-device designs (مقابلADP5585ACPZ-03-R7)
- Hardware event buffering reduces host polling pressure (مقابلADP5585ACPZ-00-R7)
ملاحظات التصميم
Treat the ADP5585ACPZ-01-R7 as a dense 3 x 3 mm LFCSP and use the land pattern and assembly recommendations in the official Analog Devices package documentation. Keep the I2C traces short, provide clean return paths beneath the device, and route keypad inputs away from switching-regulator and high-current traces. Inspect assembly for solder bridging and bridging between adjacent I/O pads; the integrated keypad decoder may be electrically sound but still unusable if leakage, shorts, or contaminated contacts impair the matrix.
Calculate the I2C pull-up resistance from the bus voltage, total bus capacitance, sink-current limits, and the required rise time rather than adopting a generic resistor value. Account for every device and trace on the bus, and verify the selected resistance against both the ADP5585 and any host controller or other peripheral. The -01 variant uses address 0x34, so firmware and address-selection hardware must be checked together to prevent two devices from acknowledging the same address.
Do not assume that two ADP5585 order codes are interchangeable solely because they share a package. The verified difference includes I2C address 0x34 for the -01 version versus 0x30 for the -03 version, which changes firmware behavior and may require PCB changes. Before releasing either the -00 or -03 family candidate, compare the official datasheet pin table, register definitions, reset values, I/O electrical limits, PWM behavior, and existing firmware against the target design.
Decouple the ADP5585 supply using the capacitance and placement specified by the official manufacturer guidance, and keep the local return path close to the device. The supplied evidence does not provide the permitted supply-voltage range, quiescent current, or digital output current, so these values must not be assumed during rail planning. Validate startup, reset, bus communication, and PWM operation across the minimum and maximum input conditions of the complete product, including the maximum anticipated load on configurable I/O lines.
معلومات الامتثال
The supplied verified results do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is marked not_applicable because this is a general-purpose interface IC and no automotive qualification claim was supplied.
