TM1620B
Shenzhen Titan Micro Electronics Co., Ltd.
Needs validationhigh risk
TM1620B is only a relaxed same-vendor option for compatible displays.
Best Alternatives to TM1620
TM1620 is a 5 V SOP20 LED display driver. Alternatives exist, but pinout, command set, and display mapping need review.
AI replacement insight
Electrical riskmedium
Drive current and supply margins need check.
Package riskmedium
SOP20 is common, but pinout is open.
Firmware riskhigh
Command and segment mapping may differ.
Sourcing riskmedium
Several options are not indexed.
Can it be replaced directly?
No verified pin-compatible replacement is supported by the provided evidence.
Best replacement path
Check AiP1620 first, then same-vendor TM1620(TA1323C) if cold-temperature limits are acceptable.
Main risk
Pinout and display mapping are not verified for any candidate.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | TM1620 | AiP1620 | TM1620(TA1323C) | TM1620B | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOP20 | SOP20 | SOP-20 | SOP-20 | SOP20 / SOP-20 — Same package string; TM1620(TA1323C): Package string aligns; TM1620B: Same package string |
| Pinout | TM1620 pins | not checked | missing | not checked | not checked / missing — Needs datasheet compare; TM1620(TA1323C): Pin count is 0; TM1620B: Needs compare |
| Voltage | 5 V | 3-5.5 V | - | 5 V +/-10% | 3-5.5 V / 5 V +/-10% — Covers 5 V; TM1620B: Nominal match |
| Temperature | -40 to 80 C | -40 to 80 C | -20 to 80 C | - | -40 to 80 C / -20 to 80 C — Range matches; TM1620(TA1323C): Cold limit reduced |
| Interface | CLK/STB/DIN | CLK/STB/DIO | DIN/STB/CLK | CLK/STB/DIO | CLK/STB/DIO / DIN/STB/CLK — Serial naming differs; TM1620(TA1323C): Claimed same bus; TM1620B: 3-wire serial |
| Application | 8x6 to 10x4 | - | - | 6x7 to 9x4 | 6x7 to 9x4 — Display mode differs |
Application & sourcing insights
Questions & answers
AiP1620 is the strongest cataloged candidate, but pinout and command compatibility still need FAE review.