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MAXIM MAX6959AAEE+ product image
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MAXIM MAX6959AAEE+RoHS

Manufacturer
MAXIM
MPN
MAX6959AAEE+
LCSC Part #
C1524039
Packaging
QSOP-16-150mil
Customer #
Key Attributes
2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
Datasheetpdf iconMAXIM MAX6959AAEE+
In-Stock: 1
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QtyUnit PriceTotal Amount
1+$ 31.1659$ 31.17
Standard Packaging100/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Display Drivers
ManufacturerMAXIM
PackagingQSOP-16-150mil
Voltage - Supply3V~5.5V
Configuration8 Segment x 4 Digit
Operating Temperature-40℃~+125℃
Pd - Power Dissipation667mW
Clock Frequency400kHz
Quiescent Current5.9mA
Interface2-Wire Serial Interface
FeaturesPower-up display blanking;PWM dimming;Built-in display RAM;Lamp test function
Segment Drive Current23mA
Digit Drive Current-
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging100
Sales UnitPiece

Introduction

AI Translation

The MAX6958/MAX6959 compact multiplexed common-cathode display drivers interface microprocessors to seven-segment numeric LED digits, or discrete LEDs through an SMBus- and I²C-compatible 2-wire serial interface. The 2-wire serial interface uses fixed 0.8V/2.1V logic thresholds for compatibility with 2.5V and 3.3V systems when the display driver is powered from a 5V supply. The MAX6958/MAX6959 drive up to four 7-segment digits, with decimal points, plus four discrete LEDs, or four 7-segment digits and eight discrete LEDs if the digits’ decimal points are not used, or up to 36 discrete LEDs. The MAX6959 also includes two input ports, one or both of which may be configured as a key-switch reader, which automatically scans and debounces a matrix of up to eight switches. Key-switch status is obtained by polling internal status registers or by configuring the MAX6959 interrupt output. Other on-chip features include a hexadecimal font for seven-segment displays, multiplex scan circuitry, anode and cathode drivers, and static RAM that stores each digit. The peak segment current for the display digits is set internally to 23mA. Display intensity is adjusted using a 64-step internal digital brightness control. The MAX6958/MAX6959 include a low-power shutdown mode, a scan-limit register that allows the user to display from one to four digits, and a test mode, which forces all LEDs on. The LED drivers are slew-rate-limited to reduce EMI. The MAX6958/MAX6959 are available in 16-pin PDIP and QSOP packages and are fully specified over the -40°C to +125°C automotive temperature range.

Features

AI Translation
  • 400kbps 2-Wire Serial Interface
  • 3V to 5.5V Operation
  • Drive 4 Digits plus 4 or 8 Discrete LEDs
  • Drive Common-Cathode LED Digits
  • 23mA Constant-Current LED Segment Drive
  • Hexadecimal Decode/No-Decode Digit Selection
  • 64-Step Digital Brightness Control
  • Slew-Rate-Limited Segment Drivers Reduced EMI
  • Debounces Up to Eight Switches with n-Key Rollover (MAX6959 Only)
  • IRQ Output When a Key Input Is Debounced (MAX6959 Only)
  • 20μA Low-Power Shutdown (Data Retained)
  • Automotive Temperature Range (-40°C to +125°C)
  • Compact 16-Pin PDIP and QSOP Packages

Applications

AI Translation
  • Set-Top Boxes
  • Audio/Video Equipment
  • Panel Meters
  • Vending Machines
  • White Goods
  • Industrial Controls