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MAX6957ATL+ from MAIXM

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MAX6957ATL+

Manufacturer: MAIXM

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

Partnumber Manufacturer Quantity Availability
MAX6957ATL+ MAIXM 2500 In Stock

Description and Introduction

4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander The MAX6957ATL+ is a LED display driver manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX6957ATL+  
- **Type:** LED Display Driver  
- **Package:** 40-TQFN (6x6)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage:** 2.7V to 5.5V  
- **Number of Segments:** Up to 160 (20 digits of 7-segment or 5x7 matrix)  
- **Interface:** I²C-compatible (up to 400kHz)  
- **Dimming Control:** 16-step logarithmic  
- **Current per Segment:** Adjustable (up to 40mA)  

### **Descriptions:**
The MAX6957ATL+ is a compact, I²C-interfaced LED driver designed to control multiplexed displays. It supports up to 20 digits of 7-segment or a 5x7 dot matrix display. It includes features like individual segment current control, flicker-free dimming, and a flexible interface for microcontroller communication.

### **Features:**
- **Multiplexed LED Drive:** Supports common-cathode displays.  
- **Integrated Keypress Detection:** Can detect switch closures on LED pins.  
- **Fault Detection:** Open- and short-circuit LED detection.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Software-Configurable:** Adjustable segment current and brightness.  
- **Global Brightness Control:** 16-step logarithmic dimming.  
- **Compatible with Standard I²C:** Supports 100kHz and 400kHz modes.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
Partnumber Manufacturer Quantity Availability
MAX6957ATL+,MAX6957ATL MAXIM 135 In Stock

Description and Introduction

4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander The MAX6957ATL+ is a versatile LED driver manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX6957ATL+  
- **Type:** LED Driver  
- **Interface:** I²C, 2-Wire Serial  
- **Number of Segments:** 28  
- **Number of Digits:** 7 (or 8 with multiplexing)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 40-TQFN (6x6mm)  
- **Features:** Integrated keypad controller, PWM brightness control, flicker-free operation  

### **Descriptions:**  
The MAX6957ATL+ is a compact, high-efficiency LED driver designed for driving 7-segment displays, bar graphs, and discrete LEDs. It supports an I²C-compatible interface for easy microcontroller communication. The device includes an integrated keypad controller, allowing it to manage both LED displays and keypad inputs. It operates over a wide voltage range, making it suitable for battery-powered and industrial applications.  

### **Features:**  
- **28-segment LED driver** (supports 7-segment digits or discrete LEDs)  
- **I²C-compatible 2-wire serial interface** (up to 400kHz)  
- **Integrated keypad controller** (supports 8x8 matrix)  
- **PWM brightness control** (16-step adjustable)  
- **Flicker-free LED drive**  
- **Wide operating voltage range** (2.7V to 5.5V)  
- **Low-power shutdown mode**  
- **40-pin TQFN package** (space-efficient design)  
- **Extended temperature range** (-40°C to +125°C)  

This information is strictly factual and sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

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