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Texas Instruments / Wurth Industrial Power Management Solutions
Texas Instruments / Wurth Industrial Power Management Solutions

Texas Instruments | Wurth Industrial Power Management Solutions

Texas Instruments and Wurth Electronics together offer designers everything they need to create highly successful Industrial Power Management solutions. TI and Wurth Electronics provide the right selection of parts for a variety of power management solutions, including isolated interface, industrial and commercial power systems, and energy storage/battery management.


Isolated Interface Solution

The bundle of a TI SN6501 Transformer Driver together with Wurth Electronics WE-PP Push-Pull transformers is one of the industries smallest, simplest, and most cost-effective solutions for isolated interface designs. This bundle is perfect to use for CAN or RS485 designs as well as other interface designs with the need of isolation or isolated DC/DC converter designs.


Texas Instruments SN6501 Transformer Driver for Isolated Power Supplies

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TI SN6501 Transformer Driver

Texas Instruments SN6501 Transformer Driver is a monolithic oscillator/power-driver designed for small form factor, isolated power supplies in isolated interface applications. TI SN6501 drives a low-profile, center-tapped transformer primary from a 3.3V or 5V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer turns ratio. SN6501 Transformer Driver consists of an oscillator followed by a gate drive circuit that provides the complementary output signals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make action between the two switches. This TI device is specified for operation at temperatures from -40°C to 125°C.


Features
  • Push-Pull Driver for Small Transformers
  • Single 3.3V or 5V Supply
  • High Primary-side Current Drive:
    • 5V Supply: 350mA (max)
    • 3.3V Supply: 150mA (max)
  • Low Ripple on Rectified Output Permits Small Output Capacitors
  • Small 5-pin SOT23 Package
Applications
  • Isolated Interface Power Supply for CAN, RS-485, RS-422, RS-232, SPI, I2C, Low-Power LAN
  • Industrial Automation
  • Process Control
  • Medical Equipment

Wurth WE-PP Miniature Push-Pull Transformers

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Wurth WE-PP Miniature Push-Pull Transformers

Wurth Electronics WE-PP Miniature Push-Pull Transformers for SN6501 feature small size and high performance as well as a high isolation voltage of 2.5kV. These Wurth Push-Pull transformers are designed to provide designers with the most size- and cost-effective solution. SN6501 transformer driver is a push-pull driver for small transformers used in a variety of applications, such as isolated interfaces such as RS-485, RS-232, RS-422, I2C, or low power LAN.


WE-PP Transformers Features
  • Push-pull transformer family
  • Designed for use with the Texas Instruments SN6501
  • Small size
  • High performance
  • High isolation voltage of 2.5kV
SN6501 Features
  • Push-Pull Driver for Small Transformers
  • Single 3.3V or 5V Supply
  • High Primary-side Current Drive:
    • 5V Supply: 350mA (max)
    • 3.3V Supply: 150mA (max)

12/24/48V Industrial and Commercial Power System Solution

TI TPS54160 60V 1.5A Step-Down DC/DC Converter with integrated Eco-mode™ and wide switching frequency range of 100kHz to 2.5MHz is perfect for the use in 12V/24V/48V industrial and commercial low power systems. To reach the highest possible efficiency value, use the Wurth Electronics WE-DD coupled inductors and WE-TPC power inductors with small sizes and low DCRs.


TPS54xx Step Down Converters

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TI TPS54160 Step Down Converters

Texas Instruments TPS54160 step down Swift™ DC/DC converters provide input transient voltage protection that allows the device and the rest of a board to survive potentially damaging voltage spikes. These TI DC/DC converters retain low output voltage even with a 60V transient voltage pulse. The high-performance TI TPS54160 DC/DC converter family also provides light load efficiency, low quiescent current (ideal for applications based on TI MSP430 MCUs), a high switching frequency, and a small package size for space-limited designs.


Features
  • Transient Protection
    • Withstands 65V spikes in 24/36V applications
    • Supports 60V continuous operation
  • High Performance
    • 2.5MHz frequency avoids sensitive RF bands improving noise performance
    • 20% lower Rds(on) than the nearest competitor in its class to maximize efficiency at full load
    • Eco-ModeTM light load efficiency
    • Low quiescent current: 116uA operating; 1.3uA shutdown
Applications
  • Wide Range of Applications for Low Voltage Systems
    • Digital TV Power Supply
    • High Definition Blu-ray Disc™ Players
    • Networking Home Terminal
    • Digital Set Top Box (STB)

Wurth Electronics WE-DD Coupled Inductors

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Wurth Electronics WE-DD Coupled Inductors

Wurth Electronics WE-DD Coupled Inductors are available in two general package sizes: 7mm x 7mm and 12mm x 12mm. Different heights are available within these package sizes, allowing designers to select the product with the best mechanical and electrical characteristics for an application. Wurth Electronics has divided the WE-DD Coupled Inductors into two groups: One is designed for SEPIC and CUK applications and the other for typical non-isolated flyback topologies.


Features
  • 1:1 transformer
  • Double inductor with two identical windings
  • 4 different sizes available
  • Operating temperature: -40 ºC to +125 ºC
  • Recommended solder profile: Reflow
  • Custom designs on request
Applications
  • For SEPIC and CUK topologies
  • Flyback applications
  • Switching regulators with second, unregulated output voltages

12/24/48V Industrial Power Supplies and Communication Power Systems Solution

The Step-Down Converter family with Eco-mode™ from TI and WE-HCI Flatwire High Current Inductor build a team which is hard to beat. The operating temperatures of up to 150°C, ultra low DCR values of the flatwire inductors and low dropout at Light Loads of the IC makes this bundle a super efficient solution for 12V/24V/48V Industrial Power Supplies and Communication Power Systems.


TI TPS543xx / TPS545xx Step-Down DC-DC Converters

Texas Instruments TPS54340 and TPS54540 are 42V input 3.5A and 5A step-down DC-DC converters with an integrated high side MOSFET. TI TPS54360 and TPS54560 are 60V input 3.5A and 5A DC-DC converters with integrated high side MOSFET. TPS54341 / TPS54541 and TPS54361 / TPS54561 devices offer 100kHz to 2.5MHz adjustable switching frequency while TPS543x0 and TPS545x0 devices have 100kHz to 2.5MHz fixed switching frequency. These TI step-down converters survive load dump pulses up to 65V per ISO 7637. All of the parts offer high efficiency at light loads with pulse skipping Eco-mode.

Shared Features
  • Integrated High Side MOSFET
  • High Efficiency at Light Loads with Pulse Skipping Eco-mode
  • 100kHz to 2.5MHz Fixed or Adjustable Switching Frequency
  • Internal Soft Start
  • –40°C to 150°C TJ Operating Range
Shared Applications
  • 12V, 24V, and 48V Industrial, Automotive and Communications Power Systems

Part Number Data Sheet Input Voltage MIN Input Voltage MAX Switching Frequency Output Voltage Output Current







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Wurth WE-HCI 1890 High Current Power Inductors

Wurth Electronics WE-HCI 1890 High Current Power Inductors feature high current capability with saturation current ratings up to 65A and low core losses at high frequency. Wurth Electronics magnetically shielded high current inductor WE-HCI 1980 series comes in an 18mm x 18mm x 9mm package size. Wurth Electronics WE-HCI 1890 High Current Power Inductors offer very low DCR tolerances due to the flat wire technology and a broad range of available inductance values (0.82µH up to 47µH), and an operating temperature of -40 °C to +125°C / +150°C.


Part Number Data Sheet Tolerance Maximum DC Current Maximum DC Resistance





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Battery Management Solution

TI bq25570 Ultra Low Power Management IC finds its usage in many different applications like Ultra Low Power DC/DC Boost Charger, Energy Storage, Battery Charging and Protection and Battery Good Output and many more. High Efficiency of up to 93% can be reached and continuous energy harvesting is possible from Vin as low as 100mV. Designing successfully such circuits requires the use of inductors with ultra low DCRs and tiny size. TI suggests the use of the new WE-MAPI Miniature Metal Alloy Inductors family with a footprint size of 2.5x2.0mm or 3.0x3.0mm.


TI bq25570 Ultra Low Power
Harvester Power Management IC

TI bq25570 Ultra Low Power Harvester Power Management IC is a highly integrated energy harvesting Nano-Power management solution that is well suited for meeting the special needs of ultra low power applications. The product is specifically designed to efficiently acquire and manage the microwatts (μW) to milliwatts (mW) of power generated from a variety of DC sources like photovoltaic (solar) or thermal electric generators. The bq25570 is the first device of its kind to implement a highly efficient boost converter/charger with a nano-powered buck converter targeted toward products and systems, such as wireless sensor networks (WSN) which have stringent power and operational demands.

Features
  • Ultra Low Power DC/DC Boost Charger
  • Cold-start Voltage: VIN ≥ 330 mV
  • Continuous Energy Harvesting From VIN as low as 120 mV
  • Input Voltage Regulation Prevents Collapsing High Impedance Input Sources
  • Full Operating Quiescent Current of 488 nA (typical)
  • Ship Mode with < 5 nA From Battery
  • Energy Storage
  • Energy can be Stored to Re-chargeable Li-ion Batteries, Thin-film Batteries, Super-capacitors, or Conventional Capacitors
  • Battery Charging and Protection
  • Internally Set Undervoltage Level
  • User Programmable Overvoltage Levels
  • Battery Good Output Flag
Applications
  • Energy Harvesting
  • Solar Charger
  • Thermal Electric Generator (TEG) Harvesting
  • Wireless Sensor Networks (WSN)
  • Low Power Wireless Monitoring
  • Environmental Monitoring
  • Bridge and Structural Health Monitoring (SHM)
  • Smart Building Controls
  • Portable and Wearable Health Devices
  • Entertainment System Remote Controls
Additional Resources
bq25570 Datasheet bq25570 Datasheet
Datasheet Industry’s Most Efficient Nano Power Harvesting Solutions



Wurth Electronics WE-MAPI
Miniature High Current Power Inductors

Wurth Electronics WE-MAPI Miniature High Current Power Inductor is the smallest metal alloy inductor available on the market, measuring just 2.5x2.0x0.6mm. The new WE-MAPI inductors from Wurth are equipped with an iron alloy core material which allows a compact design with high current capabilities. This series was designed to also achieve low DCRs and high saturation currents for optimum performance in high switching frequency DC/DC converters (>1MHz).  Other features of WE-MAPI inductors include low acoustic noise, low leakage flux noise, and operating temperature range from -40ºC to +125ºC suitable for industrial applications. These components have a rugged design with large soldering pads for high mechanical stability on the board.

Features
  • Magnetic iron alloy allows high rated currents
  • Compact design
  • Magnetically shielded
  • High current capability
  • Handles high transient current spikes
  • Low acoustic noise and low leakage flux noise
  • Operating temperature range: -40°C to +125°C
Applications
  • DC/DC-converter for high current power supplies
  • DC/DC-converter for Field Programmable Gate Array (FPGA)
  • POL-converters
  • Battery powered devices
  • Wireless communication devices
  • Power supplies for smartphones, tablet PCs, and other mobile devices

Part Number Data Sheet Inductance Tolerance Maximum DC Current Maximum DC Resistance






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  • Texas Instruments