Datasheet Texas Instruments BQ500412 — 数据表

bq500412
www.ti.com SLUSBO2A – NOVEMBER 2013 – REVISED DECEMBER 2013 Low System Cost, Wireless Power Controller for WPC TX A6
Check for Samples: bq500412 FEATURES DESCRIPTION The bq500412 is a Qi-certified value solution that
integrates all functions required to control wireless
power delivery to a single WPC1.1 compliant
receiver. It is WPC1.1 compliant and designed for 12V systems, or 5-V systems with an optional boost
converter, as a wireless power consortium type A6
free positioning transmitter. The bq500412 pings the
surrounding environment for WPC compliant devices
to be powered, safely engages the device, receives
packet communication from the powered device and
manages the power transfer according to WPC1.1
specification. To maximize flexibility in wireless power
control applications, Dynamic Power Limitingв„ў (DPL)
is featured on the bq500412 when used with an
optional boost converter from a 5-V input. Dynamic
Power Limitingв„ў enhances user experience by
seamlessly optimizing the usage of power available
from limited input supplies. The bq500412 supports
both Foreign Object Detection (FOD) and enhanced
Parasitic Metal Object Detection (PMOD) for legacy
product by continuously monitoring the efficiency of
the established power transfer, protecting from power …