MAX6947, MAX6946 Constant-Current LED Drivers and I/O Expanders

Maxim Integrated Products

Description

19-0598; Rev 0; 7/06 10-Port, Constant-Current LED Drivers and I/O Expanders with PWM Intensity Control General .
The MAX6946/MAX6947 I2C. -/SMBus TM-compatible, serial-interfaced peripherals provide microprocessors with 10 I/O ports rated to 7V.

📥 Download Datasheet

MAX6947 Datasheet Preview — This datasheet PDF includes multiple part numbers: MAX6947, MAX6946. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: MAX6947, MAX6946
Manufacturer: Maxim Integrated ↗ Products
File Size: 253.50 KB
Datasheet: MAX6946_MaximIntegratedProducts.pdf
Description: Constant-Current LED Drivers and I/O Expanders
Note: This datasheet PDF includes multiple part numbers: MAX6947, MAX6946.
Please refer to the document for exact specifications by model.

Features

* 400kb, 6V-Tolerant Serial Interface
* 2.25V to 3.6V Operation
* I/O Ports Default to High Impedance (LEDs Off) on Power-Up
* I/O Port Inputs Are Overvoltage Protected to 7V
* I/O Port Outputs Are 7V-Rated Open-Drain, 10mA or 20mA Constant-Current Static/PWM

Applications

* Cellular Phones Portable Equipment RGB LED Drivers LCD Backlights Keypad Backlights LED Status Indicators Ordering Information PART PIN-PACKAGE 16 TQFN-EP
* 16 TQFN-EP
* TOP MARK ACF ACG PKG CODE T1633-4 T1633-4 Typical Operating Circuit +3.3V VDD µC SCL SDA SCL SDA OSC
* RST AD

MAX6947 Distributors

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MAX6946 Constant-Current LED Drivers and Expanders Maxim Integrated Products

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