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MAX6946CAWE+T from MAX,MAXIM - Dallas Semiconductor

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MAX6946CAWE+T

Manufacturer: MAX

10-Port, Constant-Current LED Driver and I/O Expander with PWM Intensity Control

Partnumber Manufacturer Quantity Availability
MAX6946CAWE+T MAX 2500 In Stock

Description and Introduction

10-Port, Constant-Current LED Driver and I/O Expander with PWM Intensity Control The MAX6946CAWE+T is a serial-interfaced peripheral manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
Maxim Integrated (Analog Devices)  

### **Part Number:**  
MAX6946CAWE+T  

### **Description:**  
The MAX6946CAWE+T is a 10-output, constant-current LED driver with an integrated ±15kV ESD-protected serial interface. It is designed for driving LEDs in applications requiring high reliability and low EMI.  

### **Key Features:**  
- **10 Constant-Current LED Drivers:** Each output can sink up to **40mA**.  
- **Serial Interface:** SPI-compatible (3-wire, up to 26MHz).  
- **ESD Protection:** ±15kV (Human Body Model) on LED outputs.  
- **Output Voltage Compliance:** Up to **17V** per LED.  
- **Dimming Control:** Individual 4-bit (16-step) PWM dimming for each output.  
- **Thermal Protection:** Over-temperature shutdown.  
- **Low EMI:** Spread-spectrum clocking reduces EMI.  
- **Package:** **16-pin TSSOP (CAWE)** with exposed pad for thermal dissipation.  
- **Operating Voltage:** **3.0V to 5.5V** (supply for logic and interface).  
- **Operating Temperature Range:** **-40°C to +125°C**.  

### **Applications:**  
- Automotive displays  
- Industrial LED indicators  
- Backlighting  
- General-purpose LED driving  

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

Application Scenarios & Design Considerations

10-Port, Constant-Current LED Driver and I/O Expander with PWM Intensity Control
Partnumber Manufacturer Quantity Availability
MAX6946CAWE+T,MAX6946CAWET MAXIM 7500 In Stock

Description and Introduction

10-Port, Constant-Current LED Driver and I/O Expander with PWM Intensity Control The **MAX6946CAWE+T** is a serial-interfaced peripheral manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **MAXIM (Maxim Integrated)**  

### **Specifications:**  
- **Type:** 10-Output LED Driver with Open-Load Detection  
- **Interface:** **4-Wire SPI** (Serial Peripheral Interface)  
- **Number of Outputs:** **10** (constant-current sink)  
- **Output Current:** **Adjustable** (per output via external resistor)  
- **Supply Voltage:** **3.0V to 5.5V** (logic supply)  
- **LED Supply Voltage:** **Up to 13V** (independent of logic supply)  
- **Open-Load Detection:** **Yes** (detects missing or open LEDs)  
- **Dimming Control:** **PWM (Pulse-Width Modulation)** for brightness control  
- **Package:** **TSSOP-24** (Thin Shrink Small Outline Package)  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Descriptions:**  
- The **MAX6946CAWE+T** is a **serial-interfaced LED driver** designed to control up to **10 LEDs** with constant-current sink outputs.  
- It includes **open-load detection**, allowing the system to identify missing or disconnected LEDs.  
- Each output current is **individually adjustable** via an external resistor.  
- The device supports **PWM dimming** for brightness control.  
- It operates with a **3V to 5.5V logic supply** and can drive LEDs with a separate **up to 13V supply**.  

### **Features:**  
- **10 constant-current LED drivers**  
- **SPI-compatible serial interface** (4-wire)  
- **Open-load detection** for fault monitoring  
- **PWM dimming control** (12-bit resolution)  
- **Thermal shutdown protection**  
- **Low-power shutdown mode**  
- **24-pin TSSOP package**  

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

Application Scenarios & Design Considerations

10-Port, Constant-Current LED Driver and I/O Expander with PWM Intensity Control

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