MAX7304
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MAX7304

I²C-Interfaced 16-Port, Level-Translating GPIO and LED Driver with High Level of Integrated ESD Protection

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Cost Savings through 16 Port GPIOs Configurable as PWM-Controlled LED Drivers with Integrated ESD Protection

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price
price unavailable
Features
  • Four LED Driver Pins on PORT15–PORT12
  • Integrated High-ESD Protection
    • ±8kV IEC 61000-4-2 Contact Discharge
    • ±15kV IEC 61000-4-2 Air-Gap Discharge
  • 5V Tolerant, Open-Drain I/O Ports Capable of Constant-Current LED Drive
  • 256-Step PWM Individual LED Intensity-Control Accuracy
  • Individual LED Blink Rates and Common LED Fade-In/Out Rates from 256ms to 4096ms
  • User-Configurable Debounce Time (1ms to 32ms)
  • Configurable Edge-Triggered Port Interrupt (Active-Low INT)
  • 1.62V to 3.6V Operating Supply Voltage
  • Individually Programmable GPIOs to Two Logic Levels
  • 8-Channel Individual Programmable Level Translators
  • Supports Hot Insertion
  • 400kbps, 5.5V Tolerant I²C Serial Interface with Selectable Bus Timeout
Additional Details
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The MAX7304 consists of 16 port GPIOs, with 12 push-pull GPIOs and four open-drain GPIOs configurable as PWM-controlled LED drivers. The device supports a 1.62V to 3.6V separate power supply for level translation. An address-select input (AD0) allows up to four unique slave addresses for the device.

Each GPIO can be programmed to one of the two externally applied logic voltage levels. PORT15–PORT12 can also be configured as LED drivers that feature constant-current sinks and PWM intensity control with the internal oscillator. The maximum constant-current level for each open-drain LED port is 20mA. The intensity of the LED on each open-drain port can be individually adjusted through a 256-step PWM control. The port also features LED fading.

The same index rows and columns in the device can be used as a direct logic-level translator.

The device is offered in a 24-pin (3.5mm x 3.5mm) TQFN package with an exposed pad, and a small 25-bump (2.159mm x 2.159mm) wafer-level package (WLP) for cell phones, pocket PCs, and other portable consumer electronic applications.

The device operates over the -40°C to +85°C extended temperature range.

Applications

  • Cell Phones
  • Handheld Games
  • Notebooks
  • PDAs
  • Portable Consumer Electronics
Part Models 2
1ku List Price
price unavailable

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX7304ETG+
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MAX7304ETG+T
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Product Lifecycle

PCN

Oct 11, 2013

- 1345

ASSEMBLY

MAX7304ETG+

PRODUCTION

MAX7304ETG+T

PRODUCTION

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PCN

Oct 11, 2013

- 1345

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ASSEMBLY

MAX7304ETG+

PRODUCTION

MAX7304ETG+T

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

MAXPMBAE

Maxim Analog Essentials Collection of Peripheral Modules

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MAXPMBAE

Maxim Analog Essentials Collection of Peripheral Modules

Maxim Analog Essentials Collection of Peripheral Modules

Features and Benefits

  • Data Converter, Interface, Clock, Sensor, and Other Modules Included to Address Many Design Needs
  • Plug in Modules Enable Rapid Hardware Prototyping
  • Proven Software Drivers Reduce Development Time
  • FPGA Configuration Files Included to Simplify Design Effort

Product Detail

Maxim Analog Essentials is a collection of peripheral modules which can plug directly into any FPGA/CPU expansion port which follows the Pmod™ standard established by Digilent, Inc. The collection includes modules containing a wide variety of commonly used analog and mixed signal functions. The modules are supported by software which includes FPGA configuration files for three popular FPGA platforms: Avnet LX-9, Digilent Nexys 3 and Avnet ZEDBoard, as well as example programs to exercise and demonstrate each module. While the example programs demonstrate the module’s functionality, they are well partitioned and documented allowing the core routines to be easily cut and pasted into your own programs. The combination of plug-in simplicity and easy software integration allows for quick migration from idea to working prototype.

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