一、TI Price Increase Dynamics and Impact

According to the Electronic Engineering Journal, on August 4, 2025, TI initiated a new round of price hikes, covering over 60,000 product codes, with the average increase ranging from 10% to 30%. The focus was on long-cycle application areas such as industrial control and automotive electronics. Among them, chips for industrial control and automotive electronics (such as isolation drivers and digital isolators) saw an increase of more than 25%. The cost of ESD (electrostatic discharge) anti-static components has significantly increased. Typical examples:

TPD1E10B06DPYR (Single-channel ESD protection, 5.0V) 

TPD4E001DCKR (USB Type-C/HDMI Protection)

二、All of Leibao's ESD devices are fully compatible with TI.

1. The LEMOD series of ESD devices fully match the products of international brands such as TI, ONSemi, SEMTECH, and VISHAY in terms of packaging, electrical parameters, and protection performance, and the cost is 30% - 50% lower. Many replacement models have been completed. The following is the detailed list of LEMOD replacing some of the models of TI:

LEIDITECH brand ESD part number ESDA05CP30 can replace TI's TPD1E10B06DPYR.

LEIDITECH brand ESD part number USRV05-4 can replace TI's TPD4E1U06DBVR.

LEIDITECH brand ESD part number USRV05-4 can replace TI's TPD4S009DBVR.

LEIDITECH brand ESD part number USRV05-4 can replace TI's TPD4S009DBVRG4.

LEIDITECH brand ESD part number USRV05-4 can replace TI's TPD4E001DBVR.

LEIDITECH brand ESD part number LC0504F can replace TI's TPD4E001DCKR.

LEIDITECH brand ESD part number LC0504F can replace TI's TPD4E1U06DCKR.

LEIDITECH brand ESD part number LC0504F can replace TI's TPD4S009DCKR.

LEIDITECH brand ESD part number LC0504F can replace TI's TPD4S009DCKRG4.

LEIDITECH brand ESD part number ULC3311CDN can replace TI's ESD351DPYR.

LEIDITECH brand ESD part number ULC3311CDN can replace TI's TPD1E01B04DPYR.

LEIDITECH brand ESD part number ULC3311CDN can replace TI's TPD1E01B04DPYT.

LEIDITECH brand ESD part number ULC3311CDN can replace TI's TPD1E04U04DPYR.

LEIDITECH brand ESD part number ULC3311CDN can replace TI's TPD1E04U04DPYT.

LEIDITECH brand ESD part number ULC3304P10 can replace TI's ESD204DQAR.

LEIDITECH brand ESD part number ULC0524P can replace TI's TPD4E05U06DQAR.

LEIDITECH brand ESD part number GBLC24C can replace TI's ESD1LIN24DYFR.

LEIDITECH brand ESD part number GBLC24CQ can replace TI's ESD1LIN24DYFRQ1.

LEIDITECH brand ESD part number SMC24-323Q can replace TI's ESD2CAN24DCKRQ1.

LEIDITECH brand ESD part number SMC24LV can replace TI's ESD752DBZR.

LEIDITECH brand ESD part number SMC24LVQ can replace TI's ESD2CAN24DBZRQ1.

LEIDITECH brand ESD part number ESDA08CP can replace TI's TPD1E10B09DPYR. LEIDITECH brand ESD part number ESDA08CP can replace TI's TPD1E10B09DPYT.

LEIDITECH brand ESD part number ULC0521CDN can replace TI's ESD451DPLR.

LEIDITECH brand ESD part number ULC2411CDN can replace TI's ESD761DPYR.

LEIDITECH brand ESD part number ESDA05CP30 can replace TI's TPD1E10B06QDPYRQ1.

LEIDITECH brand ESD part number ULC0321C13 can replace TI's TPD1E01B04DPLR.

LEIDITECH brand ESD part number ULC0321C13 can replace TI's TPD1E01B04DPLT.

LEIDITECH brand ESD part number SR33-04AW can replace TI's ESDS312DBVR.

LEIDITECH brand ESD part number SR33-04AW can replace TI's ESDS314DBVR.

2. Alternative verification points (core advantages of Lei Mou's plan)

l Parameter strict alignment: 

VRWM (reverse cut-off voltage), VBR (breakdown voltage), Cj (junction capacitance) have an error of less than 5% compared to the original model.

l Antistatic performance: All meet IEC 61000-4-2 Level 4 (contact ±8kV / air ±15kV), and some models (such as ULC0511CDN) support ±30kV.

l Performance Upgrade: 

The clamp voltage (Vc) is lower (for example, ULC0342P has Vc = 5V while TI has 12V), the IPP (peak pulse current) is higher, and the protection is more reliable.

l Package compatibility: 

Supports micro packages such as DFN0603 (0.6×0.3mm) and SOD523, allowing for direct in-place replacement without the need for board modification.

三、Alternative implementation suggestions

l Selection process: 

Step 1: Confirm the original model's VRWM, Cj, and package (such as TI's X2SON3 or SON-6); 

Step 2: Match the corresponding series for the components (for example, use the LMULC series for high-speed interfaces, and the ESD05xxCW series for power protection); 

Step 3: Request samples for actual ESD protection effect testing (free laboratory testing provided by Lebao). 

l Design Optimization: 

For multi-channel differential signals (such as HDMI/USB), a 4-channel integrated solution (such as LMULC1545CLV) is preferred to reduce the number of components. 

When designing the PCB layout, ensure that the GND pins have a large area covered with copper to reduce the circuit impedance.

四、Cost and supply advantages

Price comparison: The unit prices of the same specifications of devices from Lebao are generally lower than the prices after TI's price increase. 

Delivery guarantee: We have sufficient domestic stock in stock, and the delivery time is 1-2 weeks, significantly shorter than TI's 3-5 weeks. 

Policy support: Aligns with the goal of domestic substitution, and avoids trade risks.

五、Industry Trends and Recommendations

The continuous price hikes of TI reflect its strategic shift towards high-margin markets (such as automotive and industrial control), and the window for domestic substitution of mid-to-low-end standard components has been fully opened. Suggestion:

Short-term: Prioritize switching to the Lebao P2P model for urgent projects and quickly reduce costs; 

Long-term: Collaborate with domestic suppliers to jointly develop automotive-grade/industrial-grade ESD solutions. 

In conclusion, in the face of a 10%-30% price increase of TI's ESD diodes, Lebao Electronics has emerged as an efficient alternative through its matching of 5 key parameters (VRWM/VBR/IPP/Cj/ESD), superior clamping performance, and cost advantages. Industrial and consumer electronics customers can prioritize evaluating the models listed in the table and leverage the free EMC testing services provided by domestic manufacturers to accelerate the verification process. 

Leiditech Electronics is committed to becoming a leading brand in electromagnetic compatibility solutions and component supply, offering products such as ESD, TVS, TSS, GDT, MOV, MOSFET, Zener, and inductors. Leiditech has an experienced R&D team that can provide personalized customization services based on customer needs, offering the best solutions to customers.