GoPro HERO4 Teardown

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4

Thermally Enhanced Linear Current Sensor ICThe ACS770xCB is a thermally enhanced, fully integrated, Hall Effect-based high precision linear current sensor IC with 100 µΩ current conductor. This device provides low cost and precise solutions for AC or DC current sensing. It is designed for applications such as motor control, load detection and management, power supply and DC-to-DC converter control, inverter control, and overcurrent fault detection...Read More

Low Cost Multi-Function ControlThe EC1032 is a low cost multi-functional controller that adds variable output control to appliances or tools. It is a simple and flexible way to incorporate a new feature to your product. The EC1032 can be used on any single phase power input up to and including 240 VAC at 12 A. LCR’s motor speed control products are designed for OEM’s and are not intended for after-market applications...Read More

Regenerative Grid SimulatorChroma’s Model 61800 is a regenerative grid simulator designed for micro-grid, and energy storage testing. It features comprehensive measurement capability, as well as voltage dips, short interruption, and voltage variation simulation...Read More

Digi-Key Expands Electronic LightingThomas Research Products is a global supplier of electronic lighting components. With Thomas Research Products and Digi-Key Corporation entering in a global distribution agreement, Digi-Key boosts its product line with superior quality of electronic lighting components. In the same way as it will help TRP in reaching wider markets through Digi-Key’s global reach...Read More

FEATURED PRODUCTS SUPPLEMENT

5

DPDT HiFi Audio SwitchThe FSA2275 is a hi-fi audio switch manufactured and engineered with sub-micron CMOS technology to achieve fast switching speeds, and is designed for break-before-make operation with negative swing audio capability. This device features THD+N specifications that target a hi-fidelity audio quality into both 32 Ω headphones and an ultra-low audio RON of 0.5Ω (typical)...Read More

Innovative 60 V Synchronous Buck ConverterIntersil features the first 60 V synchronous synchronous buck converter that is able to bypass the intermediate step-down conversion stage typically employed in industrial applications, the ISL8117. The device is a step-down has a PWM controller duty cycle of 40 nanoseconds which enables direct step-won conversion from 48 V to a 1 V point-of-load. The technical features of the ISL8117 makes it possible for designers to reduce system complexity and solution cost...Read More

4.9 - 5.9 GHz High Efficiency LPAThe MGA-495940-02 is a state-of-the-art linear power amplifier featuring power-added-efficiency between 4.9 GHz and 5.9 GHz frequency band. The power-added-efficiency of this power amplifier is as high as 25% when it outputs 2 W linear burst power with 2.5% EVM under the 802.16d/e 64QAM modulation schemes based on advanced robust GaN device technology. The high efficiency linear power amplifier also has excellent reliability...Read More

Rad Hard Buffer AmplifierThe MSK 0002RH is a radiation hardened, high speed, buffer amplifier. This device is the industry wide RAD tolerant replacement for the LH0002. It is suitable to be used with an operational amplifier in a closed loop configuration to increase current output. The MSK 0002RH is designed with a symmetrical output stage that provides low output impedances to both the positive and negative portions of output pulses. The MSK 0002RH is packaged in a hermetic 8 lead low profile T0-5 header and is specified over the full military temperature range...Read More

6

High Performance LED Curable CompoundThe LED401 is a one part LED curable compound with high viscosity intended for high performance bonding, sealing, coating and encapsulation. This compound that has exceptional physical properties cures fully at 405 nm wavelenght up to 1/8 inch thick and cures tack-free with no oxygen inhibition...Read More

Non-Contact Voltage Tester with FlashlightThe NCVT-3 from Klein Tools is a voltage tester for AC voltages in cables, cords, circuit breakers, light fixtures, switches and etc. It can detect voltage ranging from 12 -1000 VAC. The voltage tester has built in bright flashlight which helps in areas that needs illumination during testing. It is both dust proof and waterproof as well as provides a drop protection feature...Read More

Low Noise Single Coil Fan Driver ICMelexis announced the availability of MLX90297, a 12 V PWM single-coil fan driver featuring integrated current limiting of the output driver and a minimum speed setting for minimum cooling requirements. It offers optimum low noise performance with high ESD protection and wide operating voltage range...Read More

Bluetooth® 4.0 Dual Mode ModuleThe BM77 is a Bluetooth® 4.0 Dual Mode Module. This device provides developers a complete turnkey solution and is equipped with all necessary hardware and a complete software stack on-board for Bluetooth Classic and Bluetooth Low-Energy operation. The BM77 ships ready to run as a Bluetooth Classic and Bluetooth Low-Energy UART replacement. Whatever is presented to the UART interface will be transmitted over Bluetooth...Read More

FEATURED PRODUCTS SUPPLEMENT

7

Bluetooth Smart Development KitThe Nordic Semiconductor’s nRF52-preview-DK (949-NRF52-DK) is a development kit designed for nRF52 series of devices. It supports Bluetooth Smart, ANT, 2.4 GHz and the Arduino UNO Rev 3 connector standard.

The development kit is a stand-alone board for developing Bluetooth Smart (formerly Bluetooth Low Energy), ANT or 2.4 GHz applications. The nRF52 is ideal for rapid prototyping and developing with the nRF52 device...Read More

BCD to Decimal Decoder (1-of-10)The 74HC/HCT42 are BCD to decimal decoders. These decoders accept four active HIGH BCD inputs and provide 10 mutually exclusive active LOW outputs. The active LOW outputs facilitate addressing other MSI circuits with active LOW input enables. They are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A...Read More

Detecting Permanent Shorts in HS-CAN BusWithin the automotive world, the dominant communications standard for microcontrollers and electronics is the Controller Area Network (CAN bus), a robust communications protocol that does not rely on central management. Due to the hostile environment of most vehicles and their engine compartments, CAN protocols are designed to overcome as many electromagnetic and physical faults as possible, functioning even when communication lines are shorted...Read More

Low Cost LCD 8 Digit Electronic TimerKAL-DTIME, in partnership with Onlinecomponents.com, features their miniature, low cost, LCD, 8 digit electronic timer. The timer is small, lithium-battery powered that are panel mounted. They are designed to replace standard electro-mechanical timers and uses the latest custom CMOS technology and incorporate an 8 digit, 0.354”(9mm) high, LCD display...Read More

8

600 V, 8 A H-Series PFC DiodeThe QH08TZ600 and QH08BZ600 are H-series power factor correction (PFC) diodes that features a 600V peak repetitive reverse voltage and 8 A average forward current. These devices have the lowest reverse recovery charge (QRR) that increases the efficiency, reduce electromagnetic interference and eliminate snubbers. They are suitable for power factor correction (PFC) boost diode, motor drive circuits, and DC to AC inverters...Read More

Power Regulation: Feedback LoopsSome of the most important design criteria in dc/dc power conversion design are the calculations and methodologies involved in the feedback loop compensation. If the feedback loop parameters are not properly calculated, the converter can exhibit instability or regulation failure. The function of a feedback loop in a DC/DC converter is to maintain the output at a fixed value which is dependent on a reference value only – i.e. it is independent of load, input voltage or environmental variations...Read More

Capacitive Touch Evaluation KitThe RX113 Capacitive Touch is an evaluation kit designed to provide developers a full-featured, easy-to-use evaluation and development platform for utilizing Renesas’ best-in-class 2nd generation touch technology. This evaluation kit offers a modular hardware configuration, including an RX113 MCU board, as well as a direct interface to users touch UI hardware and optimized touch firmware architecture...Read More

Voltage Detector w/ Built-in Watchdog TimerThe BD37Axx, BD87Axx, and BD99A41F are voltage detectors designed with built-in watchdog reset ICs. The detectors deliver a high precision detection voltage of ± 1.5% and a super low current consumption of 5 µA. They can also be used in a wide range of electronic devices to monitor power supply voltages and in sytem operation to prevent runaway operation...Read More

FEATURED PRODUCTS SUPPLEMENT

9

Sprite-based Graphics ControllerThe MB88F33x is the first generation of the ‘Indigo’ family of graphics controller. The MB88F33x is a sprite-based graphics controller of up to 512 sprites including 32 special sprites. Its featured highlight is the implementation of Inova Semiconductors’ high-speed APIX® Interface...Read More

6 A MHP Device Activated At 82 °CThe MHP-TA6-9-82 is a Metal Hybrid PPTC Device used as overtemperature protection device. It has a contact rating of 9 VDC / 12 A which is activated at a temperature of 82 °C. It also has a reference resistance of 10 – 15 Ω. The device has a plastic coating and features weldable leads. Upon activation, the device can operate within a temperature range of -30 °C to 100 °C...Read More

1.4 A Bipolar Stepper Motor DriverThe DRV8846 is a 1.4 A bipolar stepper motor driver with on-chip microstepping indexer (Step/Dir Ctrl). This device is intended for cameras, printers, projectors, and other automated equipment applications. It has two H-bridges and a microstepping indexer and is intended to drive a bipolar stepper motor. The output block of each H-bridge driver consists of N-channel and P-channel power MOSFETs configured as full H-bridges to drive the motor windings. The DRV8846 is capable of driving up to 1-A full scale output current (with proper heatsinking and TA = 25°C)...Read More

1 A Synchronous Buck ConverterZMDI offers the ZSPM4011B, a high efficiency 1 A synchronous buck converter. The device is a switching regulator with fully integrated power switches, internal compensation, and full fault protection. The ZSPM4011B’s 1 MHz switching frequency feature allows using small filter components, resulting in reduced board space and reduced bill-of-materials costs...Read More

MYLINK

MYLINK

12

GoPro HERO4 Black

The HERO4 is the latest offering in the increasingly popular GoPro

mountable video camera product line. With up to 240 frames-per-

second, the HERO4 is the first camera of its kind to capture 4K

ultra-HD video. This enhanced video capability paired with built-in

Wi-Fi and Bluetooth® requires processors twice as powerful as the

previous version. This TechXposed Teardown will take a look inside

at the brains behind the most advanced GoPro yet.

Sponsored by

Back ViewFront View

FEATURED PRODUCTS SUPPLEMENT

13

GoPro HERO4 Black

The HERO4 is the latest offering in the increasingly popular GoPro

mountable video camera product line. With up to 240 frames-per-

second, the HERO4 is the first camera of its kind to capture 4K

ultra-HD video. This enhanced video capability paired with built-in

Wi-Fi and Bluetooth® requires processors twice as powerful as the

previous version. This TechXposed Teardown will take a look inside

at the brains behind the most advanced GoPro yet.

Sponsored by

Back ViewFront View

14

Ambarella A9

» Dual Core ARM® Cortex™-A9 @ 1GHz

» Ambarella Image and Video DSPs

» Integrated memory interfaces (NAND, DRAM, SDIO)

» 12MP stills, 30fps burst mode

» 4k30, 1080p120, 720p240 video Max aperture f/2.8

Micron MT29RZ4B-8DZZNHSK-18W.4T2 » 1 NAND, 2LPDDR2 MCP

» 4GB x8 NAND, 3.3V

» 8GB x32 LPDDR2, 1.2V, 533MHz

LOGIC BOARD

» Mini USB port

» Micro HDMI port

IMAGING SYSTEM

HERO PORT BOARD

To watch a video of the HERO4 teardown,

click the image at the left.

GoPro HERO4 Product Features HD Video Recording4K30 and 2.7K60 video with 1080p120 and 720p240 slow motion capability

Burst Photos12MP Burst photos at 30 frames per second

SuperView™Immersive, wide-angle view

Time LapseIntervals of 0.5, 1, 2, 5, 10, 30, and 60 seconds

Protune™Advanced image controls for color, ISO, limit, sharpness, and exposure

PortsMini USB, Micro HDMI, microSD

Storage64GB

Wireless CapabilityGoPro App enables playback on smartphone or tablet

FEATURED PRODUCTS SUPPLEMENT

15

Ambarella A9

» Dual Core ARM® Cortex™-A9 @ 1GHz

» Ambarella Image and Video DSPs

» Integrated memory interfaces (NAND, DRAM, SDIO)

» 12MP stills, 30fps burst mode

» 4k30, 1080p120, 720p240 video Max aperture f/2.8

Micron MT29RZ4B-8DZZNHSK-18W.4T2 » 1 NAND, 2LPDDR2 MCP

» 4GB x8 NAND, 3.3V

» 8GB x32 LPDDR2, 1.2V, 533MHz

LOGIC BOARD

» Mini USB port

» Micro HDMI port

IMAGING SYSTEM

HERO PORT BOARD

To watch a video of the HERO4 teardown,

click the image at the left.

GoPro HERO4 Product Features HD Video Recording4K30 and 2.7K60 video with 1080p120 and 720p240 slow motion capability

Burst Photos12MP Burst photos at 30 frames per second

SuperView™Immersive, wide-angle view

Time LapseIntervals of 0.5, 1, 2, 5, 10, 30, and 60 seconds

Protune™Advanced image controls for color, ISO, limit, sharpness, and exposure

PortsMini USB, Micro HDMI, microSD

Storage64GB

Wireless CapabilityGoPro App enables playback on smartphone or tablet

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Development, Cree, Inc.

New LED Filament Tower

Cutting Edge Flatscreen Technologies

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a Clean Energy

FUTURE— Hugo van Nispen, COO of DNV KEMA

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Cutting Edge

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From Concept to

Reality Wolfgang Heinz-Fischer

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Low-Power Design Techniques

TQ-Group’s Comprehensive Design Process

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Octobe r 20 13

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