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Details for MAX6954AAX+ by Maxim Integrated
Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs
DRIVER LED 16X7SEG/8X16SEG/128 36SSOP
MAX6954AAX+ image

MAX6954AAX+ by Maxim Integrated

DRIVER LED 16X7SEG/8X16SEG/128 36SSOP
Features
10u00b5A (typ) Low-Power Shutdown (Data Retained)
16-Step Digit-by-Digit Digital Brightness Control
2.7V to 5.5V Operation
36-Pin SSOP and 40-Pin DIP and TQFN Packages
Automatic Blinking Control for each Segment
Automotive Temperature Range Standard
Built-In ASCII 104-Character Font for 14-Segment and 16-Segment Digits and Hexadecimal Font for 7-Segment Digits
Display Blanked on Power-Up
Drives Common-Cathode Monocolor and Bicolor LED Displays
Drives Up to 16 Digits 7-Segment, 8 Digits 14-Segment, 8 Digits 16-Segment, 128 Discrete LEDs, or a Combination of Digit Types
Five GPIO Port Pins Can Be Configured as KeySwitch Reader to Scan and Debounce Up to 32 Switches with n-Key Rollover
High-Speed 26MHz SPI/QSPI/MICROWIREu00aeCompatible Serial Interface
IRQ Output when a Key Input Is Debounced
Slew-Rate Limited Segment Drivers for Lower EMI
Part Information
MAX6954AAX+ image
RoHS Compliant
Description
The MAX6954 is a compact display driver that inter- faces microprocessors to a mix of 7-segment, 14-seg- ment, and 16-segment LED displays through an SPI-/ QSPI™-compatible 4-wire serial interface. The serial interface may be cascaded through multiple devices. The MAX6954 drives up to 16 digits 7-segment, 8 dig- its 14-segment, 8 digits 16-segment, or 128 discrete LEDs, while functioning from a supply voltage as low as 2.7V. The driver includes five I/O expander (or GPIO) lines, some or all of which may be configured as a key-switch reader, which automatically scans and debounces a matrix of up to 32 switches. Included on chip are full 14- and 16-segment ASCII 104-character fonts, a hexadecimal font for 7-segment displays, multiplex scan circuitry, anode and cathode driv- ers, and static RAM that stores each digit. The maximum segment current for the display digits is set using a single external resistor. Digit intensity can be independently adjusted using the 16-step internal digital brightness con- trol. The MAX6954 includes a low-power shutdown mode, a scan-limit register that allows the user to display from 1 to 16 digits, segment blinking (synchronized across mul- tiple drivers, if desired), and a test mode, which forces all LEDs on. The LED drivers are slew-rate limited to reduce EMI. For a 2-wire interfaced version, refer to the MAX6955 data sheet. An evaluation kit (EV kit) for the MAX6955 is available.
Specifications
Device Topology:
-
Input Voltage Min:
2.7V
Input Voltage Max:
5.5V
Output Voltage Max:
-
Output Current Max:
935mA
Switching Frequency:
8MHz
No. of Outputs:
19Outputs
IC Mounting:
SMD
Driver Case Style:
SSOP
No. of Pins:
36Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)
Base Number:
6954
Dimming Control Type:
PWM
Input Voltage:
2.7V to 5.5V
LED Driver Application:
Automotive Display
Operating Temperature Range:
-40°C to +125°C
Output Current:
935mA
Alternate Descriptions
LED Driver 128Segment 3.3V/5V RS Components
LED DISPLAY DRIVER, 8MHZ, SSOP-36; Device Topology:-; Input Voltage Min:2.7V; Input Voltage Max:5.5V; Output Voltage Max:-; Output Current Max:935mA; Switching Frequency:8MHz; No. of Outputs:19Outputs; IC Mounting:SMD RoHS Compliant: Yes Newark Electronics
LED DRVR 128Segment 3.3V/5V 36-Pin SSOP Avnet America
LED DRVR 128Segment 3.3V/5V 36-Pin SSOP Avnet Europe
MAX6954 Series 5.5 V 22 mA 4-Wire Interfaced LED Display Driver - SSOP-36 Future Electronics