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The STM32F765xx, STM32F767xx, STM32F768Ax, and STM32F769xx devices are based on the high-performance Arm^® Cortex^®-M7 32-bit RISC core operating at up to 216 MHz frequency. The Cortex^®-M7 core features a floating point unit (FPU), which supports Arm^® double-precision and single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU), which enhances the application security.

The STM32F765xx, STM32F767xx, STM32F768Ax, and STM32F769xx devices incorporate high-speed embedded memories with a flash up to 2 Mbytes, 512 Kbytes of SRAM (including 128 Kbytes of Data TCM RAM for critical real-time data), 16 Kbytes of instruction TCM RAM (for critical real-time routines), 4 Kbytes of backup SRAM available in the lowest power modes, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, a 32-bit multi-AHB bus matrix, and a multi layer AXI interconnect supporting internal and external memories access.

The devices offer three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpose 16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers, a true random number generator (RNG). They also feature standard and advanced communication interfaces:

– Up to four I2Cs

– Six SPIs, three I2Ss in half-duplex mode. To achieve audio class accuracy, the I2S peripherals can be clocked via a dedicated internal audio PLL or via an external clock to allow synchronization.

– Four USARTs plus four UARTs

– An USB OTG full-speed and a USB OTG high-speed with full-speed capability (with the ULPI)

– Three CANs

– Two SAI serial audio interfaces

– Two SDMMC host interfaces

– Ethernet and camera interfaces

– LCD-TFT display controller

– Chrom-ART Accelerator

– SPDIFRX interface

– HDMI-CEC

Advanced peripherals include two SDMMC interfaces, a flexible memory control (FMC) interface, a Quad-SPI Flash memory interface, a camera interface for CMOS sensors.

The STM32F765xx, STM32F767xx, STM32F768Ax, and STM32F769xx devices operate in the –40 to +105 °C temperature range from a 1.7 to 3.6 V power supply. Dedicated supply inputs for USB (OTG_FS and OTG_HS) and SDMMC2 (clock, command and 4-bit data) are available on all the packages except LQFP100 for a greater power supply choice.

The supply voltage can drop to 1.7 V with the use of an external power supply supervisor. A comprehensive set of power-saving mode allows the design of low-power applications.

The STM32F765xx, STM32F767xx, STM32F768Ax, and STM32F769xx devices offer devices in 11 packages ranging from 100 pins to 216 pins. The set of included peripherals changes with the device chosen.

These features make the STM32F765xx, STM32F767xx, STM32F768Ax, and STM32F769xx microcontrollers suitable for a wide range of applications:

– Motor drive and application control

– Medical equipment

– Industrial applications: PLC, inverters, circuit breakers

– Printers, and scanners

– Alarm systems, video intercom, and HVAC

– Home audio appliances

– Mobile applications, Internet of Things

– Wearable devices: smartwatches

The TPS3831 and TPS3839 devices (both referred to as TPS383x) are ultralow current (150 nA, typical), voltage supervisory circuits that monitor a single voltage. Both devices initiate an active-low reset signal whenever the V_DD supply voltage drops below the factory-trimmed reset threshold voltage. The reset output remains low for 200 ms (typical) after the V_DD voltage rises above the threshold voltage and hysteresis. These devices are designed to ignore fast transients on the VDD pin. The TPS3831 device includes a manual reset input that forces RESET low when MR is low.

The ultralow current consumption of 150 nA makes these voltage supervisors ideal for use in low-power and portable applications. The TPS383x devices are specified to have the correct output logic state for supply voltages down to 0.6 V.

The TPS383x devices feature precision factory-trimmed threshold voltages and extremely low-power operation. The TPS3831 device is available in a 4-pin, 1-mm × 1-mm (DQN) X2SON package. The TPS3839 device is available in a 3-pin SOT23 (DBZ) package or a 4-pin, 1-mm × 1-mm (DQN) X2SON package.

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The OPAx991 family (OPA991, OPA2991, and OPA4991) is a family of high voltage (40 V) general purpose operational amplifiers. These devices offer exceptional DC precision and AC performance, including rail-to-rail input/output, low offset (±125 µV, typical), low offset drift (±0.3 µV/°C, typical), low noise (10.5 nV/√Hz and 1.8 µV_PP), and 4.5-MHz bandwidth.

Unique features such as differential and common-mode input-voltage range to the supply rail, high output current (±75 mA), high slew rate (21 V/µs), high capacitive load drive (1 nF), and shutdown functionality make the OPAx991 a robust, high-performance operational amplifier for high-voltage industrial applications.

The OPAx991 family of op amps is available in micro-size packages (such as X2QFN and WSON), as well as standard packages (such as SOT-23, SOIC, and TSSOP), and is specified from –40°C to 125°C.

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The STM32F042x4/x6 microcontrollers incorporate the high-performance ARM^®Cortex^®-M0 32-bit RISC core operating at up to 48 MHz frequency, high-speed embedded memories (up to 32 Kbytes of Flash memory and 6 Kbytes of SRAM), and an extensive range of enhanced peripherals and I/Os. All devices offer standard communication interfaces (one I2C, two SPIs/one I2S, one HDMI CEC and two USARTs), one USB Full-speed device (crystal-less), one CAN, one 12-bit ADC, four 16-bit timers, one 32-bit timer and an advanced-control PWM timer.

The STM32F042x4/x6 microcontrollers operate in the -40 to +85 °C and -40 to +105 °C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

The STM32F042x4/x6 microcontrollers include devices in seven different packages ranging from 20 pins to 48 pins with a die form also available upon request. Depending on the device chosen, different sets of peripherals are included.

These features make the STM32F042x4/x6 microcontrollers suitable for a wide range of applications such as application control and user interfaces, hand-held equipment, A/V receivers and digital TV, PC peripherals, gaming and GPS platforms, industrial applications, PLCs, inverters, printers, scanners, alarm systems, video intercoms and HVACs.

#stm #stm32 #stmicroelectronics #mcu #dsp #fpga #embeddedsystems #flashmemory #oem #odm #mosfet #semiconductor #microprocessor #microcontrollers #ic #icchips #integratedcircuit #electronics #electroniccomponents

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L9823 is a octal low-side driver circuit, dedicated for automotive applications. Output voltage clamping is provided for fly back current recirculation, when inductive loads are driven. Chip select and cascadable serial 8-bit Interface for outputs control and diagnostic data transfer. #st #stm #stm32 #stm32f #stmicroelectronics #oem #odm #mosfet #embedded #embeddedsystems #mcu #bga #fpga #mpu #switches #ic #icchips #integratedcircuit #electronic #electroniccomponent

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This TCA9509 integrated circuit is an I2C bus/SMBus Repeater for use in I2C/SMBus systems. It can also provide bidirectional voltage-level translation (up-translation/down-translation) between low voltages (down to 0.9 V) and higher voltages (2.7 V to 5.5 V) in mixed-mode applications. This device enables I2C and similar bus systems to be extended, without degradation of performance even during level shifting.

The TCA9509 buffers both the serial data (SDA) and the serial clock (SCL) signals on the I2C bus, thus allowing 400-pF bus capacitance on the B-side. This device can also be used to isolate two halves of a bus for voltage and capacitance.

The TCA9509 has two types of drivers – A-side drivers and B-side drivers. All inputs and B-side I/Os are overvoltage tolerant to 5.5 V. The A-side I/Os are overvoltage tolerant to 5.5 V when the device is unpowered (VCCB and/or VCCA = 0 V).

The verge of bankruptcy

Nexperia saves NWF in 2021

On July 5, 2021, Nexperia announced that it had signed a relevant acquisition agreement with NEPTUNE6, the parent company of British chip manufacturer NWF, and its shareholders. After the completion of this transaction, Nexperia holds 100% equity in NEPTUNE6 and holds 100% equity in NWF through NEPTUNE6. Information shows that NEPTUNE6 company’s total assets at the end of fiscal year 2020 were 44.7076 million pounds, and its net assets were -5.1773 million pounds. It was already insolvent and on the verge of bankruptcy at the time of acquisition.

Since the acquisition, Nexperia has formulated a long-term business development plan for NWF, making additional investments to upgrade machinery and equipment and expand personnel. Nexperia’s acquisition saved NWF, which was underfunded and on the verge of bankruptcy.

In the name of national security

British government mandates divestment in 2022

As soon as the news of Nexperia’s acquisition of NWF was disclosed, it immediately aroused resistance and doubts from many foreign parties, believing that NWF’s acquisition by Nexperia would pose a threat to British national security.

In May 2022, relevant British government departments exercised their statutory powers to retrospectively review the NWF acquisition in accordance with the newly effective British National Security and Investment Act, and finally required Nexperia to divest NWF in November 2022 on the grounds that it may endanger national security. After receiving the notification from the British government, Nexperia made it clear that it was dissatisfied with the decision and is still in the appeal process.

Forced sale

Fully reflect the responsibility of the management team

After Nexperia’s acquisition of NWF was reviewed by the British government, Nexperia was attacked by many parties in the geopolitical environment. As the CEO of Nexperia, Zhang Xuezheng and his management team are under tremendous pressure from all parties. On the one hand, they have to deal with the British government’s geopolitical security review and actively seek to publicly address the concerns raised by all parties; on the other hand, they must give priority to NWF’s impact. employees and reduce the negative impact on customers; at the same time, we must continue to promote Nexperia’s globalization strategy, safeguard the interests of local industries, and protect the interests of shareholders.

Due to the British government’s mandatory divestment of NWF, Nexperia was forced to stop its investment planning in NWF. In order to protect the interests of employees and customers, properly entrust the future of NWF, reduce the impact on the local semiconductor industry, and better protect the interests of shareholders, Nexperia chose Vishay as the undertaker to sell NFW equity. From the acquisition to the forced sale, Nexperia’s management team was unfairly treated in geopolitics and experienced many setbacks and challenges. It actively sought solutions for NWF and avoided the British government’s divestiture requirements that would impose negative consequences on NWF’s employees, customers, and Further losses have been caused to local industries and shareholders, which fully reflects the responsibility of Nexperia management under the leadership of Zhang Xuezheng. Especially in the face of the pressure from the British government to divest, the company still attached great importance to employees and customers and took into account the interests of local industries and shareholders during the forced sale process, which fully reflected the corporate values of Nexperia management and set a model for the industry.

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The TLV900x family includes single (TLV9001), dual (TLV9002), and quad-channel (TLV9004) low-voltage (1.8 V to 5.5 V) operational amplifiers (op amps) with rail-to-rail input and output swing capabilities. These op amps provide a cost-effective solution for space-constrained applications such as smoke detectors, wearable electronics, and small appliances where low-voltage operation and high capacitive-load drive are required. The capacitive-load drive of the TLV900x family is 500 pF, and the resistive open-loop output impedance makes stabilization easier with much higher capacitive loads. These op amps are designed specifically for low-voltage operation (1.8 V to 5.5 V) with performance specifications similar to the TLV600x devices.

The robust design of the TLV900x family simplifies circuit design. The op amps feature unity-gain stability, an integrated RFI and EMI rejection filter, and no-phase reversal in overdrive conditions.

The TLV900x devices include a shutdown mode (TLV9001S, TLV9002S, and TLV9004S) that allow the amplifiers to switch off into standby mode with typical current consumption less than 1 µA.

Micro-size packages, such as SOT-553 and WSON, are offered for all channel variants (single, dual, and quad), along with industry-standard packages such as SOIC, MSOP, SOT-23, and TSSOP packages.

#stm #stm32 #stmicroelectronics #cortex #mcu #dsp #fpga #bga #semiconductor #microcontrollers #microprocessor #oem #odm #ic #icchips #integratedcircuit #pcb #flash #electronics #electroniccomponent

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