SEPIC

3.3V

SW

ISense

HB

Power

Stage

HB

Power

Stage

HB

Power

Stage

Feedback

Multiplexer

CAN or LIN

Controller

I C

2

BQ500414Q

12V

6-16V

0

10

20

30

40

50

60

70

80

0

1

2

3

4

5

Output Power (W)

Without SEPIC

With SEPIC

C002

With SEPIC Converter

No SEPIC Converter

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

bq500414Q

SLUSBE4B – JANUARY 2014 – REVISED JUNE 2014

bq500414Q Automotive, Free Positioning,

Qi Compliant Wireless Power Transmitter Manager

1 Features

3 Description

The bq500414Q is an AEC-Q100 qualified free-

1

•

Expanded Free Positioning Using Three Coil

positioning digital wireless power controller designed

Transmit Array

for automotive applications. It integrates all functions

•

AEC-Q100 Qualified for Automotive Applications

required to control wireless power transfer to a WPC

•

Conforms to Wireless Power Consortium (WPC)

compliant receiver. It is WPC v1.1 ready and

designed for 12-V systems; however, the bq500414Q

A6 Transmitter Type Specification

is

applicable

to

other

supply

voltages.

The

•

bq500414Q pings the surrounding environment for

Communication With Host Controllers, that is

WPC compliant devices to be powered. Once a WPC

Read Tx and Rx Stats, Start Tx, and Shift Tx

compliant device is detected, the bq500414Q reads

Operating Frequency

the packet feedback from the powered device and

•

WPC v1.1 Compliant, Including Improved Foreign

manages the power transfer. A charging area of 70-

Object Detection (FOD) Method

mm x 20-mm provides flexible receiver placement on

a transmitter pad. The bq500414Q supports both

•

Enhanced Parasitic Metal Object Detection

Parasitic Metal Object Detection (PMOD) and Foreign

(PMOD) for WPC v1.0 Receivers Protection

Object Detection (FOD) by continuously monitoring

•

Digital Demodulation Reduces Components

the transmitted and received power of the system,

•

Over-Current Protection

protecting the device from over heating. Should any

abnormal condition develop during power transfer,

•

LED Indication of Charging State and Fault Status

the bq500414Q handles it and provides fault indicator

outputs. Comprehensive protection features provide a

2 Applications

robust design to protect the system in all receiver

•

WPC 1.1 Wireless Chargers:

placements.

–

In Cars and Other Vehicle Accessories

The bq500414Q is available in an area saving 48-pin,

–

Qi-Certified Smart Phones and Other

7-mm × 7-mm VQFN package and operates over a

temperature range from –40°C to 85°C.

Handhelds

–

Industrial and Medical Applications

Device Information(1)

•

See www.ti.com/wirelesspower for More

DEVICE NAME

PACKAGE

BODY SIZE

Information on TI's Wireless Charging Solutions

bq500414Q

VQFN (48)

7 mm × 7 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

4 Simplified Diagram

Efficiency Versus System Output Power With A6 Tx Coil

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.