Scalable Wearable Development Kit

ON Semiconductor recently announced the availability of a new Wearable Development Kit (WDK1.0). The kit comprises the following: a touchscreen display; wired and AirFuel-compatible wireless charging capability; a six-axis motion sensor and temperature sensor; an alarm, timer, and stopwatch; schematics; firmware and sample code; a dock station for charging; and a downloadable SmartApp for evaluating and controlling the smartwatches multiple functions.OnSemi Wearable Dev Kit

The WDK1.0’s features, specs, and benefits:

  • NCP6915 power Management IC provides five LDOs and one DC-DC
  • NCP1855 battery charger IC, an LC709203F fuel gauge, and a 10-W rated SCY1751 wireless charging front-end controller
  • MEMS-based FIS1100 IMU, with three‐axis gyroscope and three‐axis accelerometer operation for multidimensional motion tracking
  • Embedded temperature sensor included and an LC898301 driver IC for initiating haptic feedback
  • nRF52832 multi-protocol system-on-chip (SoC)
  • Eclipse-based IDE
  • 1.44″ 128 × 128 pixel TFT display with a capacitive touch screen
  • 26‐pin expansion port

Source: ON Semiconductor

ON Semiconductor Acquires Fairchild Semiconductor

ON Semiconductor recently acquired Fairchild Semiconductor for $2.4 billion. Fairchild develops semiconductor solutions for mobile and power designs.

“The acquisition of Fairchild is a transformative step in our quest to become the premier supplier of power management and analog semiconductor solutions for a wide range of applications and end-markets,” said Keith Jackson, president and CEO of ON Semiconductor, in a press statement. “Fairchild provides us a plat-form to aggressively expand our profitability in a highly fragmented industry. With the addition of Fairchild, our industry leading cost structure has further improved in a significant manner and we are now well positioned to generate substantial shareholder value as we integrate operations of the two companies.”

Source: ON Semiconductor

New Automotive Power Integrated Module Solution for Next-Gen Automotive BLDC Systems

ON Semiconductor recently expanded its line of power integrated modules (PIMs) with the STK984-190-E, which is a highly integrated module well suited for driving three-phase brushless DC motors in automotive systems. The module is intended for use in 12-V automotive electric motor drive applications with power ratings up to 300 W (e.g., electric pumps, fans, and wipers). OnSemi_STK984

The STK984-190-E’s features and specs include:

  • Six 40-V, 30-A MOSFETs configured as a three-phase bridge with an additional 40-V, 30-A high-side reverse battery protection MOSFET.
  • A specified operational temperature range of –40°C to 150°C.
  • The integrated MOSFETs are all AEC-Q101 qualified.
  • It comes in a Pb-free DIP-S3, measuring 29.6 mm × 18.2 mm × 4.3 mm.

The STK984-190-E It costs $7 unit in 16-unit quantities.

Source: ON Semiconductor

New Ultra-Low Power Precision Op-Amps

ON Semiconductor recently unveiled a new family of ultra-low power precision operational amplifiers. The precision NCS325 and NCS333 CMOS op-amps deliver zero drift operation and quiescent current for front-end amplifier circuits and power management designs.NCS325-333-Hires

The op-amp devices enhance the accuracy of motor control feedback and power supply control loops, thereby contributing to higher overall system efficiency. These devices are complemented by the new NCV333 automotive-qualified (AEC-Q100 grade 1) op-amp offering similar functional performance for power train, braking, electronic power steering, valve controls, and fuel pump and fuel injection system applications.

Features include:

  • High DC precision parameters, such as the 10 µV maximum input offset voltage at ambient temperature and the 30 nV/°C of offset temperature drift
  • Minimal voltage variations over temperature along with close to zero offset
  • Rail-to-rail input and output performance and are optimized for low voltage operation of 1.8 volt (V) to 5.5 V, with a best in class quiescent currents of 21 µA and 17 µA respectively at 3.3 V.
  • Operate with a gain bandwidth of 350 kHz with ultra-low peak-to-peak noise down to 1.1 µV from 0.1 Hz to 10 Hz.

The NCS325 is available in a 3 mm × 1.5 mm five-pin TSOP package. It costs $0.35 per unit in 3,000-unit quantities.

The NCS333 comes in a 1.5 mm × 3 mm SOT23-5 package or in a 2 mm × 1.25 mm SC70-5. It costs $0.5 per unit in 3,000-unit quantities.

New Power Factor-Corrected AC-DC Drivers for LED Lighting Apps

ON Semiconductor has announced two new series of power factor corrected (PFC) offline AC-DC drivers for high performance LED lighting applications. Extending the NCL3008x family of products, the NCL30085, NCL30086, and NCL30088 address single-stage design implementations up to 60 W that require high power factor. The NCL30030 broadens the existing solutions which support higher power (up to 150 W) two-stage topologies that require low optical ripple and wide LED forward voltage variation.

 

Source: ON Semiconductor

Source: ON Semiconductor

The NCL30085, NCL30086, and NCL30088 use a PFC current control algorithm that makes them suitable for flyback buck-boost and SEPIC topologies. By operating in quasi-resonant mode, they can deliver optimum efficiency across wide line and load levels. The innovative control methodology enables strict current regulation to be achieved (within 2% typically) solely from the primary side.

 

The non-dimmable NCL30088 is complemented by the “smart-dimmable” NCL30086, supporting analog and pulse-width modulation (PWM) dimming with a single input that controls the average LED current. Completing the series is the NCL30085, which supports three levels of log step dimming: 70%, 25%, and 5%. As a result, it permits light output reduction by toggling the AC switch on/off to signal the controller to lower the LED current point. All three devices feature user-configurable current thermal fold-back mechanisms that help prevent overheating and enable manufacturers to support longer lifetime warranties.

 

The NCL30085 and NCL30088 are available in SOIC-8 packages. The NCL30086 is offered in an SOIC-10 package with pricing of the series starting at $0.35 per unit in 10,000-piece quantities.

 

The NCL30030 is a two-stage PFC controller plus quasi-resonant flyback controller optimized for medium and high power LED lighting applications up to 150 W. This device is best suited for commercial lighting such as lowbay, highbay, and streetlighting. The NCL30030 makes use of a proprietary multiplier architecture to achieve low harmonic distortion and near-unity power factor while operating in critical conduction mode (CrM).

The NCL30030 is in an SOIC−16 package with one pin removed for high-voltage spacing. Pricing starts at $0.65 per unit in 10,000-piece quantities.

 

Source: ON Semiconductor