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Texas Instruments BQ500414Q
bq500414Q Automotive, Free Positioning Qi Compliant Wireless Power Transmitter Manager
Overview
| Topology | Buck Converter |
| Input voltage | 6-16 V |
| Switching frequency | 120-205 kHz |
| Output 1 | 5.1 V / 1 A |
| IC revision | B |
Description
The bq500414Q is an AEC-Q100 qualified free-positioning digital wireless power controller designed for automotive applications. It integrates all functions required to control wireless power transfer to a WPC compliant receiver. It is WPC v1.1 ready and designed for 12-V systems; however, the bq500414Q is applicable to other supply voltages. The bq500414Q pings the surrounding environment for WPC compliant devices to be powered. Once a WPC compliant device is detected, the bq500414Q reads the packet feedback from the powered device and manages the power transfer. A charging area of 70-mm x 20-mm provides flexible receiver placement on a transmitter pad. The bq500414Q supports both Parasitic Metal Object Detection (PMOD) and Foreign Object Detection (FOD) by continuously monitoring the transmitted and received power of the system, protecting the device from over heating. Should any abnormal condition develop during power transfer, the bq500414Q handles it and provides fault indicator outputs. Comprehensive protection features provide a robust design to protect the system in all receiver placements.
The bq500414Q is available in an area saving 48-pin, 7-mm × 7-mm VQFN package and operates over a temperature range from –40°C to 85°C.
Features
Expanded Free Positioning Using Three Coil Transmit Array
AEC-Q100 Qualified for Automotive Applications
Conforms to Wireless Power Consortium (WPC) A6 Transmitter Type Specification
I2C Interface to Enable Control and Communication With Host Controllers, that is Read Tx and Rx Stats, Start Tx, and Shift Tx Operating Frequency
WPC v1.1 Compliant, Including Improved Foreign Object Detection (FOD) Method
Enhanced Parasitic Metal Object Detection (PMOD) for WPC v1.0 Receivers Protection
Digital Demodulation Reduces Components
Over-Current Protection
LED Indication of Charging State and Fault Status
Typical applications
- In Cars and Other Vehicle Accessories
- Qi-Certified Smart Phones and Other Handhelds
- Industrial and Medical Applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | L(µH) | IR(mA) | ISAT(A) | Mount | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Winding Style | L1(µH) | IR(mA) | RDC max.(Ω) | VR(V) | VT(V (AC)) | L1(µH) | L2(µH) | IR(mA) | ISAT(A) | RDC1 typ(Ω) | RDC2 typ(Ω) | RDC1 max(Ω) | RDC2 max(Ω) | fres(MHz) | Compliance | Size | L2(µH) | L3(µH) | IR DC1(A) | IR DC2(A) | IR DC3(A) | RDC2 max.(mΩ) | RDC3 max.(mΩ) | fres 1(MHz) | fres 2(MHz) | fres 3(MHz) | P(W) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]590 nm | Emitting ColorYellow | Peak Wavelength [typ.]595 nm | Luminous Intensity [typ.]120 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0805 | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | Rated Current200 mA | – | MountSMT | Impedance @ 100 MHz1000 Ω | Maximum Impedance1350 Ω | Maximum Impedance140 MHz | Rated Current 2650 mA | DC Resistance0.6 Ω | TypeWide Band | – | – | Rated Current200 mA | DC Resistance [1]0.6 Ω | – | – | – | – | Rated Current200 mA | – | – | – | – | – | – | – | Size0603 | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-SCC SMT Common Mode Line Filter, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-SCC SMT Common Mode Line Filter | – | – | – | – | – | – | – | Inductance10 µH | Rated Current2750 mA | – | MountSMT | – | Maximum Impedance10000 Ω | – | – | DC Resistance0.04 Ω | – | Winding Stylebifilar | Inductance [1]10 µH | Rated Current2750 mA | DC Resistance [1]0.04 Ω | Rated Voltage80 V | Insulation Test Voltage250 V (AC) | – | – | – | – | – | – | – | – | – | – | Size1210 | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-TPC SMT Tiny Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | – | – | – | – | – | – | – | Inductance330 µH | Rated Current150 mA | Saturation Current0.13 A | MountSMT | – | – | – | – | DC Resistance4.5 Ω | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Self Resonant Frequency5.5 MHz | – | Size4818 | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-DD SMT Shielded Coupled Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-DD SMT Shielded Coupled Inductor | – | – | – | – | – | – | – | Inductance22 µH | Rated Current1850 mA | Saturation Current3 A | – | – | – | – | Rated Current 21850 mA | DC Resistance0.09 Ω | TypeCrossed | – | – | – | – | – | – | Inductance 122 µH | Inductance 222 µH | Rated Current1850 mA | Saturation Current3 A | DC Resistance 10.067 Ω | DC Resistance 20.067 Ω | DC Resistance 10.09 Ω | DC Resistance 20.09 Ω | Self Resonant Frequency14 MHz | – | Size1260 | – | – | – | – | – | – | – | Self Resonant Frequency [1]14 MHz | – | – | – | ||||
 | WE-WPCC Wireless Power Array, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-WPCC Wireless Power Array | – | – | – | – | – | – | – | – | – | – | MountTHT | – | – | – | – | – | – | – | Inductance [1]12.5 µH | Rated Current9000 mA | DC Resistance [1]0.065 Ω | – | – | – | – | – | Saturation Current10 A | – | – | – | – | – | ComplianceQi - A6 | Size130 x 55 x 8 mm | Inductance [2]11.5 µH | Inductance [3]12.5 µH | Rated Current DC [1]9 A | Rated Current DC [2]9 A | Rated Current DC [3]9 A | DC Resistance [2]65 mΩ | DC Resistance [3]65 mΩ | Self Resonant Frequency [1]14 MHz | Self Resonant Frequency [2]14 MHz | Self Resonant Frequency [3]14 MHz | Power Capability [1]150 W |