TM1621D(TA1901-A) AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TM1621D(TA1901-A) product

TM1621D(TA1901-A)

PMIC - Display Drivers

LCD driver56-dot14 × 43-wire serialcustom LCD24-pin

TM1621D(TA1901-A) is a 24-pin 56-dot LCD driver for multiplexed custom segmented displays, offering integrated display RAM and a simple 3-wire serial interface.

Best for

  • Custom segmented LCD panels with up to 14 × 4 drive points
  • Low-pin-count microcontroller display interfaces
  • LCD modules requiring serially updated display RAM

Avoid if

  • The display requires more than 14 segment outputs or more than 4 common outputs
  • The LCD glass requires a bias or multiplex configuration not supported by the IC
  • A confirmed exact package variant is required before PCB release

Check before use

  • Confirm SOP-24 versus QSOP-24 ordering variant
  • Match LCD panel bias and duty requirements
  • Set VLCD lower than VDD and adjust contrast for the LCD glass
  • Initialize the IC because power-up reset failure can prevent normal operation

Key specifications

LCD drive capacity
56 dots (14 × 4)
Supply voltage
2.4 V to 5.2 V
Interface
3-wire serial
Bias and duty
1/2 or 1/3 bias; 1/2, 1/3, or 1/4 duty
Internal oscillator
256 kHz RC oscillator

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Segmented LCD modulesDisplay subsystems

CAD Models

Download ECAD models for TM1621D(TA1901-A): KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

TM1621D(TA1901-A) is a 56-dot LCD driver IC from Titan Micro Electronics. It provides 14 segment outputs, up to four common outputs, integrated display RAM, and serial control through /CS, /WR, and DATA.