MAX6957AAI+ - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

MAX6957AAI+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW42356293
Category

LED Driver, LED Display Driver
Package

SSOP-28
Description

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

Datasheet

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MAX6957AAI+ Specifications

Attribute	Attribute Value

Part Number	MAX6957AAI+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW42356293
Category	LED Driver, LED Display Driver
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	SSOP-28
Supply Voltage (DC)	5.50V (max)
Number of Outputs	20 Output
Input Voltage (DC)	2.50V ~ 5.50V
Supply Current	180 µA
Number of Positions	28 Position
Input Voltage (Max)	5.5 V
Input Voltage (Min)	2.5 V
Output Current (Max)	28 mA
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.5V ~ 5.5V
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Size-Length	10.33 mm
Size-Width	5.38 mm
Size-Height	1.78 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Unknown
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The MAX6957AAI+ is a 4-wire-interfaced, 2.5V to 5.5V, 20 port LED display driver and I/O expander in 28 pin SSOP package. Each port is individually user configurable to a logic input, logic output or common-anode (CA) LED constant-current segment driver. Each port configured as an LED segment driver behaves as a digitally controlled constant current sink with 16 equal current steps from 1.5mA to 24mA. The LED driver is suitable for both discrete LEDs and CA numeric and alphanumeric LED digits. Each port configured as a GPIO can be either a push-pull logic output capable of sinking 10mA and sourcing 4.5mA or a Schmitt logic input with optional internal pull-up. Seven ports feature configurable transition detection logic which generates an interrupt upon change of port logic level. Device is used in set-top boxes, white goods and bar graph displays.
High speed 26MHz SPI / QSPI/ MICROWIRE compatible serial interface
Operating temperature range from -40°C to 125°C
Maximum shutdown current is 11µA at TA = TMIN to TMAX
16-step individually programmable current control for each LED
Logic transition detection for seven I/O ports
Minimum CLK clock period is 38.4ns

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