EN
Home
>Products
/ Signal chain
/ Interfaces
/ I²C GPIO expanders

AW95124QNR

W95124 24 位电平转换 I2C 和 SMBus I/O 扩展器，带中断输出、复位及灵活 I/O 配置寄存器

Datasheet :
Preview - AW95124QNR - Datasheet

Product details

Parameters

Channel 24
Addresses 4
Reset √
Constant Current ×
Pull-up √
Level Shift √
Temperature -40℃~105℃
Power Supply (Min) (V) VCCI: 1.08 VCCP: 1.08
Power Supply (Max) (V) VCCI: 3.6 VCCP: 3.6
Package (mm) QFN 5X5-32L

Package | Pins | Size

QFN 5X5-32L

Features

1. I2C 总线至 24 位并行端口扩展器 2. 1MHz I2C 接口 3. 电源 1) VCCI：1.08V~3.6V 2) VCCP：1.08V~3.6V 4. 支持在 1.2V、1.8V、2.5V 和 3.3V 的 I2C 总线与 P 端口之间进行双向电压电平转换和 GPIO 扩展 5. 低待机功耗，典型值为 1.5μA（VCCI/VCCP 为 3.6V 时） 6. 中断可配置为电平触发或边沿（上升沿或下降沿）触发 7. 3.6V 耐压 I/O 端口 8. 低电平有效复位输入 (RSTN) 9. I2C 软件复位命令 10. 开漏低电平有效中断输出 (INTN) 11. 硬件地址引脚允许在同一 I2C/SMBus 总线上连接四个器件 12. SCL/SDA 输入端带有噪声滤波器 13. 锁存输出，具备大电流驱动能力，可直接驱动 LED 14. 工作温度范围：-40°C~105°C 15. 封装： 1) AW95124FOR: FOWLP 2.6X2.6-36B 2) AW95124QNR: QFN 5X5-32L

Description

AW95124 device provides general purpose parallel input/output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol. The device can operate with a power supply voltage ranging from 1.08V to 3.6V on the I2C bus side (VCCI) and a power supply voltage ranging from 1.08V to 3.6V on the P port side (VCCP).AW95124 supports 100kHz, 400kHz, and 1MHz I2C clock frequencies. AW95124 has Agile I/O plus ports which include additional features designed to enhance the I/O performance. The additional features are: maskable interrupt, latchable inputs, interrupt status register, programmable output drive strength, programmable pull-up and pull-down resistors, programmable open-drain or push-pull outputs, Interrupts can be specified by level or edge(rising or falling) triggered, and can be cleared individually without disturbing the other interrupt events. Also, switch debounce hardware is implemented. The power-on reset puts the registers in their default state and initializes the I2C/SMBus state machine. The RSTN pin causes the same reset/initialization to occur without depowering the part. The system master can also accomplish a reset via an I2C command and initialize all registers to their default state.

Technical documentation
Type
Title
Language
Date
Product Design Guide AW95124_Hardware_Design_Guide 英文   2026-05-18
Datasheet DS_AW95124_EN_V1.3 英文   2026-09-30

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

Evaluation board

AW95X16&AW95X24_EVB_V1.0 — AW95X16&AW95X24_EVB_V1.0 is EVB evaluation board for 24-bit I2C and SMBus I/O expanders with interrupt output and configuration registers. It provides general-purpose remote I/O expansion for most microcontroller series via the I2C interface and supports level conversion functionality.

EVB evaluation board for I/O expansion function and level conversion function

View options
Software development

DRIVER OR LIBRARY

AW951XX_Drivers — Android and other drivers for AW951XX series

Android and other drivers for AW951XX series, including example code, porting guide, debugging guide, etc

View options

APPLICATION SOFTWARE&FRAMEWORK

AW95124_GUI — AW95124 Tuning GUI Plugin

AW95124 Tuning GUI Plugin. Requires AwinicSCPV4 installed.

View options

APPLICATION SOFTWARE&FRAMEWORK

AwinicSCPV4_GUI — AwinicSCPV4 Intelligent Tuning Tool

AwinicSCPV4 is an intelligent tuning tool specifically designed for Awinic products, facilitating product configuration and debugging processes. Intuitive interface and user-friendly operation can help customers shorten development time and complete system integration quickly.

View options
Hardware development

Evaluation board

AW95X16&AW95X24_EVB_V1.0 — AW95X16&AW95X24_EVB_V1.0 is EVB evaluation board for 24-bit I2C and SMBus I/O expanders with interrupt output and configuration registers. It provides general-purpose remote I/O expansion for most microcontroller series via the I2C interface and supports level conversion functionality.

EVB evaluation board for I/O expansion function and level conversion function

View options
Software development

DRIVER OR LIBRARY

AW951XX_Drivers — Android and other drivers for AW951XX series

Android and other drivers for AW951XX series, including example code, porting guide, debugging guide, etc

View options

APPLICATION SOFTWARE&FRAMEWORK

AW95124_GUI — AW95124 Tuning GUI Plugin

AW95124 Tuning GUI Plugin. Requires AwinicSCPV4 installed.

View options

APPLICATION SOFTWARE&FRAMEWORK

AwinicSCPV4_GUI — AwinicSCPV4 Intelligent Tuning Tool

AwinicSCPV4 is an intelligent tuning tool specifically designed for Awinic products, facilitating product configuration and debugging processes. Intuitive interface and user-friendly operation can help customers shorten development time and complete system integration quickly.

View options