New High Performance Analog Products for August

	High-Performance Analog
	Connection	Your monthly update of new Analog products from TI

To subscribe to the TI Analog Connection eNewsletter, please click here. To subscribe to the Analog Applications Journal please click here. August 2014

	• Amplifiers and Linear • Data Converters • Interface • Power Management • TI Technical Blogs • New Literature and Videos • Reference Design Library • Company-Authored Articles in the Media • Tech Summits 2014 • Customer Support Contact Information Featured Video Keep Your Battery-Powered Device Safe Featured EVM LSF010XEVM-001: Bi-Directional Multi-Voltage Level Translator Evaluation Module

Amplifiers and Linear 1.4A bipolar stepper motor driver with on-chip 1/32 microstepping indexer The DRV8846 provides a highly-integrated stepper motor driver. The device 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. Resources: Datasheet, evaluation module 4 to 18V operation voltage supports both battery-powered and industry-standard 12V voltage rails STEP/DIR interface with up to 1/32 u-step indexer on-chip provides smooth u-step operation without support from system controller Applications: Printers, scanners, video security cameras, projectors DRV8846: 1KU pricing: DRV8846RGER $1.50, DRV8846RGET $1.73 Back to top   Data Converters Ultra-small, integrated analog front-end for heart rate monitors and low-cost pulse oximeters The AFE4403 is a fully-integrated analog front-end (AFE) ideally suited for pulse oximeter applications. The device consists of a low-noise receiver channel with an integrated analog-to-digital converter (ADC), an LED transmit section, and diagnostics for sensor and LED fault detection. Resources: Datasheet, IBIS model, evaluation module Enables faster time-to-market and design without in-house expertise High integration allows designers can spend less time on board design and board space issues and focus more on algorithms Applications: Medical pulse oximeter, optical HRM, industrial photometry AFE4403: 1KU pricing: AFE4403YZPR $3.25, AFE4403YZPT $3.74 Back to top   Interface Four-port USB 3.0 Hub The TUSB8041 is a four-port USB 3.0 hub. It provides simultaneous SuperSpeed USB and high-speed/full-speed connections on the upstream port and provides SuperSpeed USB, high-speed, full-speed, or low-speed connections on the downstream ports. Resources: Datasheet, evaluation module, IBIS model Driver FREE Operation for any operating system simplifies implementation and use Supports USB battery charging specification revision 1.2 eliminates external device for charging, reducing system cost and board space Applications:Computer desktop, commercial notebook, printer, computer server, HMI (human machine interface) TUSB8041: 1KU pricing: TUSB8041RGCR $3.50, TUSB8041RGCT $4.03 Octal, bi-directional, multi-voltage level translator The LSF family are bi-directional voltage level translators operational from 1.0 V to 4.5 V (Vref_A) and 1.8 V to 5.5 V (Vref_B). This allows bidirectional voltage translations between 1.0 V and 5.0 V without the need for a direction pin in open-drain or push-pull applications. Allows a seamless translation between higher and lower voltages selected by the user without the need for directional control Excellent for computing and high speed applications Applications: Enterprise computing, servers, industrial LSF0108: 1KU pricing: LSF0108PWR $0.73, LSF0108RKSR $0.88 3.3V, full-duplex RS-485 with IEC ESD/16kV IEC61000-4-2 contact discharge ESD protection These RS-485 devices provide a robust full-duplex transceiver with high levels of IEC61000-4-2 ESD protection. Their large receiver hysteresis provides immunity to conducted differential noise and the wide operating temperature enables reliability in harsh operating environments. Resources: SN65HVD72 datasheet, SN65HVD1474 datasheet, evaluation module Bus I/O protection is robust to transients Industrial temperature range makes these devices reliable in harsh environments Applications: Motor control, energy metering, industrial automation and control, building automation, security electronics, telecom infrastructure SN65HVD73 / SN65HVD1474: 1KU pricing: Starts at US$1.75 Back to top   Power Management 60A synchronous buck NexFET™ smart power stage with dual cool package The CSD95372BQ5M/C NexFET smart power stage is a high performance 20V MOSFET pair combined with an optimized driver IC. The power stage is designed for high current synchronous buck converters in either single or multi-phase POL applications. It uses optimized driver IC and NexFET silicon packaged using a PowerStack configuration to achieve higher efficiency at high frequency than competing DrMOS devices. Resources: Datasheet, PSpice model Delivers higher efficiency in a typical high current POL design Enables higher switching frequency and improved transient response for less output capacitors. Applications: Desktop and notebook PCs, servers, embedded PCs, industrial PCs, single board computers, POS terminals, base stations, digital set-top boxes, broadband modems, printers, switches, networking home terminals, routers CSD95372BQ5MC: 1KU pricing: CSD95372BQ5MC $2.41, CSD95372BQ5MCT $2.74 650mA, 6-MHz high-efficiency, 0.4mm profile chip scale package, step-down converter TPS6267x is a high frequency device (6MHz) that enables the use of three small external components. It is the smallest discrete 650mA solution with the highest efficiency, 92%, and lowest quiescent current, 17uA. Resources: Datasheet, Power stage designer of most commonly used switchmode power supplies Regulated switching frequency of 6MHz allows <10mm2 0.47uh="" a="" and="" inductor="" o:p="" size="" small="" solution="" total="">

Efficiency up to 92% + 17uA quiescent current provides longest battery life

Applications: Processor supply inside mid- to high-end cell phones/smart phones, supply of CCD or CMOS sensor inside camera modules, digital TV, WLAN, GPS and Bluetooth applications, DC-DC micro modules

TPS626765: 1KU pricing: TPS626765YFDR $0.65, TPS626765YFDT $0.75

Complete lighting power solution for smartphone handsets
With the LM3633s 11-bit exponential dimming capability, Smartphone designers can provide the best dimming experience in the market. The LM3697s efficiency and adaptive headroom voltage allows for prolonged battery life while maintaining the necessary saturation levels to have the best lighting experience. Combining the backlight performance with the ability to provide the drive and programmability of the indicator lights makes this device perfect for the smartphone and tablet market.
Resources: Datasheet, evaluation module

• 11-bit exponential dimming provides superior LCD lighting experience
• Up to 90% boost efficiency saves battery power and prolongs usage time
• Applications: Smartphones, tablets, LCD panels

LM3633: 1KU pricing: LM3633YFQR $0.70, LM3633YFQT - contact distributor for pricing

18V Input, 3A/1A/1A triple synchronous step-down converter with 200mA/100mA dual LDOs
The TPS65262 is a monolithic triple synchronous step-down (buck) converter with 3-A/1-A/1-A output current. A wide 4.5- to 18-V input supply voltage range encompasses the most intermediate bus voltage operating off 5-, 9-, 12-, or 15-V power bus.
Resources: Datasheet, PSpice average model, evaluation module

• High integration saving PCB area
• Supports 5V, 9V, 12V, 15V input power bus applications
• Applications: TV: LCD/Digital, Blu-ray player and home theater, set-top box (STB), cable modem, router, surveillance monitoring and control

TPS65262: 1KU pricing: TPS65262RHBR $2.05, TPS65262RHBT $2.36

5.5V, 2A, 36mΩ load switch with quick output discharge
The TPS22915 offers an integrated low leakage load switch solution with up to 31% lower ON-Resistance (@ 3.3V), in a very small WCSP-4 package. It reduces power dissipation, and design time for space constrained devices requiring power management.
Resources: Datasheet, PSpice transient model, evaluation module

• Meets demands for portable applications where voltages in the 1.05V to 5.5V range are popular
• Minimum dropout through the pass FET for tighter tolerance voltage rails (lower IR drop)
• Applications: Smartphones, notebook PC, tablet PC, wearable technology, solid state drives, digital cameras

TPS22915B: 1KU pricing: TPS22915BYFPR $0.24, TPS22915BYFPT $0.28

Quad IEEE 802.3at Power over Ethernet PSE controller
The TPS23861 is an easy-to-use, flexible, IEEE802.3at PSE solution. As shipped, it automatically manages four 802.3at ports without the need for any external control.
Resources: Datasheet, evaluation module

• Easy to use - No I2C required
• Many reference designs available to shorten design cycles with reduced risk
• Applications: Ethernet switches and routers, surveillance NVR and DVRs, residential gateways, PoE pass-through systems, wireless backhaul

TPS23861: 1KU pricing: TPS23861PW $4.92, TPS23861PWR $4.10

Switch-controlled, direct drive, linear controller for offline LED drivers
The TPS92410 is an advanced linear driver with high voltage start-up intended for use in low power, offline LED lighting applications. It can be used to regulate the average LED current through LEDs in conjunction with the TPS92411 direct drive switch.
Resources: Datasheet, TPS92410EVM-001 evaluation module, TPS92410EVM-002 evaluation module

• Connects directly to AC mains and standard wall dimmers
• Increased system integration, simplifies design, adds circuit protection and dimming capability
• Applications: 5-70W LED lamps and luminaires, light bulb replacement, A19, E12/26/27, GU10, PAR30/38, T8/10, recessed, pendent, track lighting, architectural and display lighting, high-voltage linear current control

TPS92410: 1KU pricing: TPS92410D $0.78, TPS92410DR $0.65

Li-Ion/Li polymer battery protection IC
The bq297xy battery cell protection device provides an accurate monitor and trigger threshold for overcurrent protection during high discharge/charge current operation or battery overcharge conditions.
Resources: Datasheet, evaluation module

• Low current consumption results in very low discharge current
• Fault protection threshold tolerances to allow packs to charge to higher capacity for energy storage
• Applications: Smartphone battery packs, handset radios, portable medical, portable speakers

BQ29700: 1KU pricing: BQ29707DSET $0.30, BQ29707DSER $0.26

Low-voltage, front-end power management IC
The TPS6128xA device provides a power supply solution for products powered by either by a Li-Ion, Nickel-Rich, Silicon Anode, Li-Ion or LiFePO4 battery. The voltage range is optimized for single-cell portable applications like in smart-phones or tablet PCs.
Resources: Datasheet, evaluation module, power stage designer of most commonly used switchmode power supplies

• Input voltage range 2.3V to 4.8V enables single-cell systems to take full advantage of Ni-rich cathodes and Si-anode chemistries
• Loads can connected directly to the battery with almost no losses
• Applications: Single-cell Ni-Rich, Si-anode, Li-Ion, LiFePO4 smartphones or tablet PCs, 2.5G/3G/4G mini-module data cards, current limited applications featuring high-peak power loads

TPS61280A / TPS61281A: 1KU pricing: TPS61280AYFFR $1.27, TPS61280AYFFT $1.46, TPS61281AYFFR $1.15, TPS61281AYFFT $1.32

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TI Technical Blogs

TI Precision Designs Hub
Check out The Signal, TI's analog signal processing circuits and solutions blog focused on technical topics, such as:

•	Top questions on op amp power dissipation - Part 1
•	Industrial DACs: Protecting 3-wire analog outputs

Power House
Read the latest posts on Power House - Trends, topics and musings in Power Management:

•	When is Fly-Buck the right choice for your isolated power needs?
•	PowerLab Notes: Low-power Bias supply - Linear, Buck, or Flyback?

Analog Wire
Learn the latest on analog signal chain solutions to real-world problems on TI's signal chain blog:

•	Complex translation made simple
•	JESD204B: Understanding the protocol

Fully Charged
The latest power trends for battery-powered designs:

•	Conquering the Internet of Things: Solar Dice Sensor Node Reference Design
•	Efficient wireless charging - it's cool!

Motor Drive & Control
TI spins motors: smarter, safer greener.

•	If you missed it - #TImotorHr recap
•	15 exotic electric motors

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New Literature and Videos

Application Notes:

•	Optimizing High-Level Micro Stepping of the DRV88xx Driver
•	Combined Voltage and Current Output with the DACx760
•	Audio Characterization Primer
•	Interfacing to the ADS8363 Pseudo-Differential Operating Mode
•	Synchronizing the Giga-Sample ADCs Interfaced with Multiple FPGAs
•	Battery Authentication and Security Schemes
•	Improving the Performance of Traditional Flyback-Topology With Two-Switch Approach
•	Compensation made SIMPLE with LM43600/1/2/3, LM46000/1/2
•	Using the bq78350
•	Test and Troubleshoot a Wireless Power Receiver
•	Enhancing Bit-Flip Recovery and PMU Design For Defense/Industrial Applications

Selection Guide:

•	RS-485 Reference Guide

Videos:

•	Keep Your Battery-Powered Device Safe
•	The First 48 - Channel LED Display Driver Family
•	Battery Safety and Protection Overview
•	Gauge Development Kit (GDK)

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TI Designs – Reference design library

Jump start your system design and speed time to market with TI Designs, a library of comprehensive reference designs created by experts with deep system and product knowledge. These design span TI's portfolio of analog, embedded and connectivity products. Find the full library at ti.com/tidesigns. Check out our latest reference designs:

•	0-1A, Single-Supply, Low-Side, Current Sensing Solution
•	Pulse Oximeter via Finger Clip Reference Design with BLE Connectivity
•	120V AC Input 200W Interleaved Flyback for Battery Charging Applications
•	Gigabit Ethernet Link Aggregator Reference Design
•	Headset Detection Switch to Detect 3-Pole or 4-Pole 3.5mm Accessories

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Company-Authored Articles in the Media

•	"JESD204B and its impact on overall pipeline ADC latency," by Thomas Neu. Mircowave Product Digest. May 2014.
•	"Improving battery life for wearable electronics," by Yogesh Ramadass. ECN. May 2014.
•	"POWER TIP 70: Use weighted feedback in multiple output supplies to meet regulation specs," by Rober Kollman. Power Management Designline. May 2014.
•	"SCB (Part #88): Fully differential amplifiers: Basic circuit benefits and quick SE-DE application review," by Carissa Sipp. Planet Analog. May 2014.
•	"Prevent System Damage Via Fast, Accurate Over-Current Detection," by Dan Harmon. Electronic Design. May 2014.

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Tech Summits 2014

Check out TI's latest analog ICs and embedded processors. Attend technical sessions led by leading experts, receive hands-on training, and return to work with samples, tools and new skills that revitalize your designs! See the full schedule here.

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Customer Support Contact Information

Visit TI's E2E™ Community and interact with your peer engineers, TI engineers, and other experts in order to ask questions, share knowledge, explore ideas, and help solve problems.

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