Peripheral semiconductors for set-top box applications

Product catalog summary

ST Peripheral Products Overview for Set-Top Boxes

Power Management: STMicroelectronics offers a variety of power management solutions, including Power MOSFETs, microprocessor supervisors, linear regulators, and DC-DC converters. These components aim to minimize switching and conduction losses while providing high efficiency and supporting diverse voltage and current needs.

Separable Security: This includes power switches and hot-swap power management solutions with features like programmable current limits, thermal shutdown, and fault indicators. Microcontrollers such as STM8L and STM8S10 are noted for their ultra-low power consumption and support for various interfaces.

Front Panel Displays: The product range includes integrated EMI filtering and ESD protection devices, VFD controllers, LED controllers, serial real-time clocks, and temperature sensors, all designed for efficient display management and protection against electrical disturbances.

LNB Power Supplies: ST provides LNB supply ICs with built-in DC-DC converters and protection devices for satellite receivers, supporting bidirectional communication and offering dynamic protection and diagnostics.

Data Communication: This includes RS-232 interface ICs and protection devices for high-speed data lines, ensuring robust communication with high ESD protection levels.

Video Blocks: Video drivers and integrated EMI filtering solutions are available for high-definition video applications, supporting HDMI compliance and providing high-speed port protection.

Remote Controls: Features microcontrollers with embedded radio and ZigBee protocol support, as well as baluns for RF BOM reduction, optimized for remote control applications.

Audio Blocks: Includes low-noise operational amplifiers and digital audio line drivers, designed for high audio performance with low distortion and noise.

Smartcard Readers: Smartcard interfaces and microcontrollers support ISO 7816-3 compatibility and various communication protocols, essential for secure data transactions.

Motion Sensors (MEMS): ST offers a range of motion sensors, including inertial modules, gyroscopes, accelerometers, and digital compasses, providing high accuracy and reliability for motion control and gesture recognition applications.

Conclusion: STMicroelectronics provides a comprehensive suite of peripheral products for set-top box applications, focusing on power management, security, communication, and multimedia processing to enhance performance, efficiency, and reliability in consumer electronics.

Speed Line Connections

Key Features:
- ESD protection for 2-, 4-, and 8-line high-speed connections.
- Ultra-large bandwidth capability up to 7 GHz.
- Ultra-low capacitance as low as 0.6 pF.
- Low leakage current down to 100 nA.
- High ESD robustness suitable for HDMI, DVI, USB, serial ATA, Ethernet, and other connections.

Smartcard Interfaces - ST8024L

Description: The ST8024L is a cost-effective analog interface for asynchronous Class A, B, and C smartcards, interfacing between the card and the set-top box microcontroller with minimal external components for supply protection and control functions.
Key Features:
- Compatibility with the NDS conditional access system.
- Operates with 1.8 V, 3 V, or 5 V supply for the IC.
- Includes a step-up converter to supply the card.
- Features a 26 MHz integrated crystal oscillator.
- Supports clock generation for cards up to 20 MHz with synchronous frequency changes.
- Enhanced ESD protection on the card side (> 6 kV).
- Complies with ISO 7816, GSM11.11, and EMV 4.0 (payment systems).

Smartcard Interface Diagram: The diagram illustrates the connection between the smartcard interface (ST8024*) and the set-top box microcontroller, including HDMI connections with TMDS lines and other control signals like DDC, CEC, HEAC, HPD, 5V, and GND.

Order Information: Order code: BRSTB0912

Catalog excerpts

Peripheral semiconductors for set-top box applications

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ST peripheral products overview for set-top boxes Power management Separable security Power MOSFETs – low voltage (STripFET VI DeepGATE. N- and P-channel) QQ From 20 to 60 V QQ Reduced switching and conduction losses QQ Trench technology for high efficiency QQ New chip scale package (PowerFLAT 2x2) Power MOSFETs – high voltage (SuperMESH3 / MDmesh II) QQ From 500 to 700 V QQ Suitable for AC-DC stage QQ Low R and switching losses for high efficiency DS(on) Microprocessor supervisors STM6779, STM6905 QQ Up to 5 voltage resets QQ Manual reset with delay manual reset Linear regulators – very low...

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Data communication LNB supply ICs LNBH21, LNBH3 QQ Built-in DC-DC converters for single 12 V supplies with integrated NMOS QQ Built-in 22 kHz tone detector supports bidirectional DiSEqC™ 2.0, DiSEqC 1.0 (L version) receivers/sat-TV, sat-PC cards QQ LNB short-circuit dynamic protection and diagnostics QQ Dual tuner application (LNBH24/24L, LNBH26/26L) RS-232 interface ICs ST2*E, ST32*E QQ ±15 kV human body model (E series) QQ ±8 kV contact discharge and ±15 kV air-gap discharge, IEC 1000-4-2 (E series) QQ Data rate: 120 to 480 Kbit/s QQ Slew rate range: 3 to 30 V/µs Protection devices LNBTVS...

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Motion sensors (MEMS) Wide range of sensors enabling enhanced capabilities for smart remote control iNEMO - Inertial modules LSM330DLC, LSM330D The LSM330DLC and LSM330D are digital modules combining a 3D accelerometer and 3D gyroscope for smart remote control enabling gesture recognition, pointing, gaming and smart power management. User-selectable acceleration and gyroscope full scales 16-bit data output Low-power and power-down modes Independent embedded FIFO Independent programmable interrupts Gyroscopes L3GD20 The L3GD20 is a 3D digital gyroscope for gaming, pointing and motion control that...

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Power management Set-top-box-IC and low-noise-block supplies Switching regulators ST1S40 The ST1S40 is an internally compensated 850 kHz fixed-frequency PWM synchronous step-down regulator. The ST1S40 operates with an input from 4.0 to 18 V and regulates an output voltage as low as 0.8 V and up to VIN to supply your STB ICs. The peak-current mode control with internal compensation delivers a very compact solution with a minimum component count. 0.8 V to 18 V 4.0 V to 18 V 4 A peak output current Internal soft start Integrated 95 mΩ and 69 mΩ power MOSFETs Enable pin All ceramic capacitors Cycle-by-cycle...

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Integrated EMI filtering and ESD protection 8 TMDS lines HDMI2C The HDMI2C series integrates ESD protection and signal conditioning for HDMI 1.4 transmitter and emitter interfaces. HDMI Tx Multimedia controller CEC, DDC, HEAC, 5 V and HPD 8 kV contact ESD protection Integrated I2C bidirectional reshaping and level shifter Supports direct connection to low-voltage HDMI ASICs Short-circuit and over-temperature protection on 5 V output Long or poor-quality HDMI cable drive support Optimized power consumption in standby mode and wake-up via CEC HDMI HDMI cable connector source 8 TMDS lines DDC, CEC,...

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