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Semtech TS51111
High Efficiency Synchronous Rectifier and Charging IC for Wireless Power Applications
Overview
| Topology | Other Topology |
| IC revision | 0.1 |
Description
The TS51111 is a fully-integrated synchronous rectifier for wireless charging applications with additional integrated components to minimize system BOM.The TS51111 includes a high efficiency synchronous rectifier to convert the input AC power signal to a DC output level for batterycharging. The device supports both direct battery charging and indirect power applications. Low Rds-on switches minimize power dissipation. High voltage input capability allows for simple and robust secondary side charger implementation. An integrated switchprovides the battery charging path and combined with the rectifier provides back feed protection to the AC inputs. A precharge currentsource is also included for low battery voltage precharge operation. Communication capability is achieved using integrated high voltage switches.The TS51111 includes several additional modules to allow simple integration into wireless power systems. Integrated resistor dividers with zero-current off-mode allow external ADC measurement of PDC, PACKP, USB and thermistor voltages. High voltage switches are included for communication modulation.Power to an external controller is provided through an integrated LDO. The ultra-low quiescent current regulator can supply highoutput currents at low dropout with minimal current draw from the battery.Available in a 45 pin WCSP and 36 pin 6x6 QFN package.
Features
- High efficiency synchronous rectification of AC input
- Supports both Direct and Indirect Charging applications
- Supports WPC Qi® compliant and non-compliant systems
- Low Rds-on rectifier switches
- High voltage input for higher power systems
- Up to 20W+ Output
98% efficiency at high currents
- Integrated switches for load modulation
- Integrated switch for battery disconnect
- Integrated precharge current source
- 50mA output low Iq LDO
- Analog mux for ADC sensing
- Supply Under Voltage Lockout
- Low external component count
- Ultra-low standby quiescent current
- Junction operating temperature -40C to 125C
Typical applications
- eReaders
- Cell Phones and Smart Phones
- Tablet Computers
- Laptop Computers
- Small Digital Cameras
- Wireless charging for portable devices
- Portable Video Recorders
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | Material | Interface Type | Type | Variant | Gender | Pins | Mount | Working Voltage(V (AC)) | Compliance | Size | L(µH) | IR(A) | RDC max.(mΩ) | fres(MHz) | Q(%) | P(W) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 33 pF, ±5% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance33 pF | Capacitance±5% | Rated Voltage50 V (DC) | Operating Temperature -55 °C up to +125 °C | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0402 | – | – | – | – | Q-Factor1000 % | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 pF | Capacitance±10% | Rated Voltage50 V (DC) | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0402 | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 10 V(DC), 330 pF, ±5% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance330 pF | Capacitance±5% | Rated Voltage10 V (DC) | Operating Temperature -55 °C up to +125 °C | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0402 | – | – | – | – | Q-Factor1000 % | – | |||||
| WCAP-CSGP MLCCs 10 V(DC), 2.2 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance2.2 nF | Capacitance±10% | Rated Voltage10 V (DC) | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0402 | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 4.7 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance4.7 nF | Capacitance±10% | Rated Voltage50 V (DC) | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0402 | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 10 V(DC), 10 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance10 nF | Capacitance±10% | Rated Voltage10 V (DC) | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0402 | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 6.3 V(DC), 1 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 6.3 V(DC) | Capacitance1 µF | Capacitance±20% | Rated Voltage6.3 V (DC) | Operating Temperature -55 °C up to +85 °C | Dissipation Factor15 % | Insulation Resistance0.1 GΩ | Ceramic TypeX5R Class II | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0402 | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 10 V(DC), 1 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance1 µF | Capacitance±20% | Rated Voltage10 V (DC) | Operating Temperature -55 °C up to +85 °C | Dissipation Factor15 % | Insulation Resistance0.05 GΩ | Ceramic TypeX5R Class II | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0402 | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 6.3 V(DC), 10 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 6.3 V(DC) | Capacitance10 µF | Capacitance±20% | Rated Voltage6.3 V (DC) | Operating Temperature -55 °C up to +85 °C | Dissipation Factor15 % | Insulation Resistance0.005 GΩ | Ceramic TypeX5R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.35 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size0603 | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), 10 µF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance10 µF | Capacitance±10% | Rated Voltage25 V (DC) | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.01 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width1.6 mm | Height1.6 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Size1206 | – | – | – | – | – | – | |||||
 | WE-HCI SMT Flat Wire High Current Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | – | – | – | Operating Temperature -40 °C up to +150 °C | – | – | – | Length7 mm | Width6.9 mm | Height3.8 mm | – | – | Performance Rated Current7.8 A | Saturation Current @ 10%2.5 A | Saturation Current @ 30%7 A | DC Resistance19.5 mΩ | MaterialSuperflux | – | – | – | – | Pins2 | MountSMT | – | – | Size7040 | Inductance4.7 µH | – | DC Resistance21.45 mΩ | Self Resonant Frequency33 MHz | – | – | ||||
 | WE-WPCC Wireless Power Transfer Receiver Coil, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-WPCC Wireless Power Transfer Receiver Coil | – | – | – | Operating Temperature -20 °C up to +105 °C | – | – | – | Length48 mm | Width32 mm | Height1 mm | – | – | – | – | – | – | – | – | – | – | – | Pins2 | MountTHT | – | Complianceworks with Qi Rx IC's | Size48 x 32 x 1 mm | Inductance14.3 µH | Rated Current3 A | DC Resistance190 mΩ | Self Resonant Frequency8.8 MHz | Q-Factor40 % | Power Capability [1]50 W | ||||
 | WR-USB Mini/Micro Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | – | – | – | Operating Temperature -40 °C up to +85 °C | – | Insulation Resistance1000 MΩ | – | – | – | – | – | PackagingTape and Reel | – | – | – | – | – | Interface TypeType B | TypeHorizontal | Variantwith Pegs - High Current | GenderReceptacle | Pins5 | MountSMT | Working Voltage30 V (AC) | – | – | – | Rated Current3 A | – | – | – | – |