The NXQ1TXA5 Based Single Chip Reference Design for Wireless Charging Transmitters Provides a Fully Qi Compliant Small Form-Factor Solution With Industry Leading Performance Enabling Customers to Design a Qi Transmitter Solution at Greatly Reduced Cost
EINDHOVEN, Netherlands, March 16, 2015 (GLOBE NEWSWIRE) -- NXP Semiconductors N.V. (Nasdaq:NXPI) today announced the availability of a new and highly optimized reference design for 5 volt low power Qi wireless charging transmitters, compliant with the Wireless Power Consortium (WPC) 1.1 Qi specification. The design is based on NXPs single-chip 5V wireless power transmitter IC, the NXQ1TXA5 that was launched in 2014. It is the latest addition to NXP's portfolio of GreenChip power solutions, known for their world class performance for power efficient applications.
Building on NXP's success as the market leader in GreenChip power ICs, the NXQ1TXA5 reference design has an unrivalled standby power consumption of less than 10 mW. It is the only solution on the market today that meets 5-star mobile phone charger standby power ratings by consuming less than 30 mW in standby mode, which includes the standby power of the wall-charger. NXP recommends combining its NXQ1TXA5 ultra low standby power wireless power transmitter solution with another GreenChip device, its high efficiency TEA1720 SMPS IC with a standby power of less than 20mW.
The NXQ1TXA5 device combines:
- NXPs high efficiency Class D amplifier technology for outstanding EMI performance.
- NXPs ultra low power CoolFluxTM DSP technology for superior communication with smartphones placed on the charger.
- Dedicated low power mixed signal circuitry to check for smartphone presence three times per second, enabling fast startup of charging, while keeping the standby power very low if there is no smartphone on the charger.
Due to the low power consumption of the NXQ1TXA5 device itself, the reference design also has a high efficiency for low transmitted powers, making it suitable for applications ranging from smartphone charging to deliver 5W to the smartphone battery when used with a Qi compliant wireless charging receiver, to chargers for wearables that need less than 2W charging power.
"With this highly optimized and very cost efficient solution for a Qi wireless charging transmitter, NXP enables manufacturers to include a wireless charger with their smartphones and wearable devices at low cost. This allows their customers to immediately enjoy the advantages of the wireless charging feature of their products at the moment of unpacking their latest purchase, saving them the effort of buying it as an accessory," said Marcel van Roosmalen, power solutions segment manager, NXP Semiconductors.
The NXQ1TXA5 reference design needs only 15 to 20 low cost passive components and uses a standard 2-layer PCB, with the components mounted on a single side. Depending on customer requirements, the complete application can be designed on a board space as small as 3x3 or 4x4 cm.
NXP will highlight its new wireless charging/LLC solutions at booth #1101 during APEC, the Applied Power Electronics Conference and Exposition, held from March 15-19 in Charlotte, North Carolina, USA.
The new NXQ1TXA5 wireless charging transmitter reference design will be available in Q2. For more information, please contact your NXP account manager.
About NXP Semiconductors
NXP Semiconductors N.V. (Nasdaq:NXPI) creates solutions that enable Secure Connections for a Smarter World. Building on its expertise in High Performance Mixed Signal electronics, NXP is driving innovation in the application areas Connected Car, Security, Portable & Wearable and Internet of Things. NXP has operations in more than 25 countries, and posted revenue of $5.65 billion in 2014. Find out more at nxp.com.
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