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Overview
| Topology | Buck Converter |
| Input voltage | 12 V |
| Switching frequency | 112-205 kHz |
| Output 1 | 5.1 V / 1.1 A |
Description
The bq500410A is a free-positioning digital wireless power controller that integrates all functions required to control wireless power transfer to a WPC compliant receiver. It is WPC 1.1 ready and designed for 12-V systems but applicable to other supply voltages. The bq500410A the surrounding environment for WPC compliant devices to be powered, safely engages the device, reads the packet feedback from the powered device, and manages the power transfer. A charging area of at least 70 mm x 20 mm provides flexible receiver placement on a transmitter pad. The bq500410A supports both Parasitic Metal Detection (PMOD) and Foreign Object Detection (FOD) by continuously monitoring the efficiency of the established power transfer, protecting from power lost due to metal objects misplaced in the wireless power transfer path. Should any abnormal condition develop during power transfer, the bq500410A handles it and provides fault indicator outputs. Comprehensive protection features provide a robust design to protect the system in all receiver placements.
The bq500410A is available in an area saving 48-pin, 7 mm x 7 mm QFN package and operates over a temperature range from –40°C to 110°C.
Features
- Expanded Free Positioning Using Three Coil Transmit Array
- Intelligent Control of Wireless Power Transfer
- Conforms to Wireless Power Consortium (WPC) A6 Transmitter Specification
- Digital Demodulation Reduces Components
- WPC1.1 Ready, Including Foreign Object Detection (FOD)
- Enhanced Parasitic Metal Detection (PMOD) Assures Safety
- Over-Current Protection
- LED Indication of Charging State and Fault Status
RemarksRefer-http://www.ti.com/lit/ug/slvu688a/slvu688a.pdf and Page No-8
Typical applications
- Smart Phones and other Handhelds
- Tabletop Charge Surfaces
- Cars and Other Vehicles
- WPC 1.1 Ready Wireless Chargers
- Hermetically Sealed Devices and Tools
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Mount | IRP,40K(A) | RDC max.(mΩ) | Version | Compliance | Size | L1(µH) | L2(µH) | L3(µH) | IR DC1(A) | IR DC2(A) | IR DC3(A) | RDC max.(mΩ) | RDC2 max.(mΩ) | RDC3 max.(mΩ) | fres 1(MHz) | fres 2(MHz) | fres 3(MHz) | P(W) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 3.3 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance3.3 µH | – | – | Self Resonant Frequency61 MHz | MountSMT | Performance Rated Current4.9 A | DC Resistance30 mΩ | VersionRobust | – | Size7332 | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-TPC SMT Tiny Power Inductor, 330 µH, 0.285 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance330 µH | Rated Current0.285 A | Saturation Current0.17 A | Self Resonant Frequency4.3 MHz | MountSMT | – | DC Resistance1700 mΩ | – | – | Size4828 | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-WPCC Wireless Power Array, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-WPCC Wireless Power Array | – | – | – | – | MountTHT | – | – | VersionTHT | ComplianceQi - A6 | Size130 x 55 x 8 mm | Inductance [1]12.5 µH | 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 [1]65 mΩ | 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 |