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TDA4VEN-Q1: TDA4VEN: On-board Efuse programming for high-security SoCs in-the-field

Srikanth Gedigam
Prodigy 40 points
Part Number: TDA4VEN-Q1

Tool/software:

Hello Team, Good Morning,
 
TDA4VEN: I could see TDA4VEN has one feature as "On-board Efuse programming for high-security SoCs in-the-field". I could not find much information in the datasheet below information. Could you please help me understand below clarifications/inputs.
 
  1. Could you please share the application notes for On Board Efuse programming for "Device Security Features". Any risks using this feature?
  1. Does it performs any feature for security keys with Over the Air programming?
  1. Cryptographic keys?
  1. Does SOC part number changes for with and without Efuse feature?
  1. I see PDN recommended to use separate LDO "TPS7A2118-Q1" to interface with the VPP pin (SoC).
 
Thanks,
Srikanth