Recycler un décodeur Belgacom IPV5001
Bonjour à tous,J'ai déjà eu l'occasion d'inspecter un ancien décodeur IPTV Belgacom dans cet article (voir https://arduino103.blogspot.com/2022/12/recycler-un-decodeur-belgacom-en.html
est le guide utilisateur de ce composant. C'est une ressource vraiment intéressante à explorer.Voici les autres informations collectées sur les divers composants. == SoC ==========================================
BCM7241 from Broadcom 2017
Arch MIPS 1.3GHz, 1 core
3K DMIPS, HD IP/CATV STB, DDR3,
OGL 2.0 Graphics, USB, SATA, SDIO, 40nm
== U1501 ========================================
SK hynix H26M522081
eNAND Flash (Solid State Drive)
16 Gbit
== U1905 =========================================
MXIC MX25L3255
Macronix SECURE SERIAL FLASH
32 Mbit Mode 0 & Mode 3
2.7 to 3.6V
== U202/U203 =====================================
SK hynix H5TQ4G63CFR
4Gb DDR3 SDRAM (512 MByte)
== Q1801 =========================================
4435GM 95217E
4435GM from VBsemi.tw
P-Channel 30-V (D-S) MOSFET
SO-8 package
2.7W to 4.2W power dissipation (depending on external T°)
Vds = -3.0V
Vgs = +- 20V
Id = -9.0A to -5.6A (depending on external T°)
== U1802/U1803/U1903/U1901 ========================
RT7274 GSP6MA5N
RICHTEK RT7274
2A, 18V, 700kHz ACOTTM Synchronous Step-Down Converter
* 4.5V to 18V Input Voltage Range
* A Output Current
* High Efficient Internal N-MOSFET Optimized for
* Lower Duty Cycle Applications
* 105 mΩ Internal Low Side N-MOSFET
* Advanced Constant On-Time Control
* Allows Ceramic Output Capacitor
* 700kHz Switching Frequency
* Adjustable Output Voltage from 0.765V to 8V
* Adjustable and Pre-biased Soft-Start
* Cycle-by-Cycle Current Limit
* Input Under Voltage Lockout
* Thermal Shutdown
== U1801 ==========================================
RT7278 GSP5APoH
3A, 18V, 700kHz ACOT TM Synchronous Step-Down Converter
* 4.5V to 18V Input Voltage Range
* 3A Output Current
* 60 mΩ Internal Low Site N-MOSFET
* Advanced Constant On-Time Control
* Support All Ceramic Capacitors
* Up to 95% Efficiency
* 700kHz Switching Frequency
* Adjustable Output Voltage from 0.765V to 8V
* Adjustable Soft-Start
* Cycle-by-Cycle Current Limit
* Input Under Voltage Lockout
* Thermal Shutdown
== U1701 ==========================================
CC2534 TI865 P904
CC253x from Texas Instrument
CC253x System-on-Chip Solution for 2.4-GHz
IEEE 802.15.4 and ZigBee ® Applications
Clock at 32 MHz
document swru191f.pdf - CC253x/4x User's guid (Ref.F) is available online
== U404 ============================================
4710 connected to SCART output
AK4710 from AKM
AK4710 Low Power Single SCART DriverSi le coeur vous en dit, voici de quoi occuper votre curiosité.Bonnes découvertes,Dominique
https://arduino103.blogspot.com/2025/08/recycler-un-decodeur-belgacom-ipv5001.html