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MAX6956ATL from MAX,MAXIM - Dallas Semiconductor

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MAX6956ATL

Manufacturer: MAX, MAXIM

2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander

Partnumber Manufacturer Quantity Availability
MAX6956ATL MAX, MAXIM 610 In Stock

Description and Introduction

2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander The MAX6956ATL is a versatile LED display driver manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX6956ATL  
- **Type:** LED Display Driver  
- **Interface:** I²C-Compatible Serial Interface  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Number of Segments:** Up to 132 (11 digits of 7 segments + decimal points)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 40-Pin TQFN  

### **Descriptions:**  
The MAX6956ATL is a compact, high-performance LED driver designed to control multiplexed 7-segment LED displays. It supports up to 11 digits (or 132 segments) and includes features like brightness control, blink modes, and individual segment control. It communicates via an I²C-compatible interface, making it suitable for microcontroller-based applications.

### **Features:**  
- **Multiplexed Display Support:** Drives up to 11 digits (7 segments + decimal point).  
- **Brightness Control:** Adjustable via software (16-step dimming).  
- **Blink Modes:** Programmable blink rates for segments.  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Segment Control:** Individual control of each segment.  
- **I²C Interface:** Supports standard (100kHz) and fast (400kHz) modes.  
- **Integrated Keypress Detection:** Optional key-scan functionality.  
- **Thermal Overload Protection:** Prevents damage due to excessive current.  

This information is sourced from Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander

Alternative Part Number

  • PCA9535PW --: 16-bit I2C LED driver/GPIO expander with similar functionality and pin-compatible I2C interface, widely available and cost-effective.
  • TCA9555PWR --: 16-bit I2C GPIO expander with interrupt output, functionally comparable to MAX6956 and available in TSSOP package.
  • PCF8575TS --: 16-bit I2C I/O expander offering similar GPIO expansion capability, a common alternative when MAX6956 is unavailable.

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