IC manufacturers (99)
- All manufacturers
Analog Devices
Infineon Technologies
Microchip
Onsemi
Renesas
ROHM
STMicroelectronics
Texas Instruments
- 3peak incorporated (27)
- Ablic (23)
- Advanced Power (4)
- Allegro Microsystems (84)
- Alpha & Omega Semiconductor (37)
- AnalogySemi (3)
- AnDAPT Inc (172)
- Anpec (13)
- AXElite (2)
- Backward (6)
- Bright Power Semiconductor (1)
- Broadcom (47)
- Cambridge GaN Devices (18)
- Chipanalog Micro (10)
- Cologne Chips (1)
- Convenient Power (1)
- Dialog Semiconductor (12)
- Diodes Incorporated (238)
- Divimath (8)
- Elmos AG (1)
- EPC (99)
- e-Peas Semiconductors (1)
- Eta Solutions Co. Ltd. (9)
- GaN Systems (7)
- GaNPower (3)
- Giantec (1)
- Gstek Wuxi (1)
- Helix Semiconductor (7)
- Ikanos (3)
- IKON (1)
- Indie Semiconductor (5)
- Innovision Semiconductor Inc (2)
- Intel (80)
- Inventchip Technology (3)
- ISSI (51)
- JoulWatt (20)
- KDPOF (2)
- Kinetic Technology (10)
- Lattice semiconductor Corporation (19)
- Littelfuse (1)
- M3 Technology (M3Tek) (7)
- Macnica (16)
- MaxLinear (175)
- MikroE (8)
- MindCet (2)
- Monolithic Power Systems (929)
- Navitas Semiconductor Inc (6)
- NewEdge Technologies, Inc. (1)
- Nexperia (32)
- Nisshinbo Micro Device Inc. (10)
- Nordic Semiconductor (1)
- Novosense Micro (1)
- NXP (314)
- O2 Micro International Ltd (10)
- On Bright (7)
- Panasonic (2)
- PN Junction Semiconductor (2)
- Power Integrations (110)
- Pulsiv (19)
- Qorvo (87)
- Realsil SuRealsil(tek) Microelectronics (1)
- Richtek (296)
- Sanken Electric Co., Ltd. (16)
- Sckipio (6)
- Semtech (90)
- SG-Micro (33)
- Silanna Semiconductor (8)
- Silergy Corporation (30)
- Silicon Laboratory Inc. (104)
- Silicontent Technology (57)
- Silvertel (56)
- Skycore Semiconductors (1)
- Skyworks (31)
- Southchip (8)
- Summit Wireless (1)
- Tagore Tech (7)
- Taiwan Semiconductor (1)
- TDK Corporation (1)
- Tempo Semiconductor (1)
- Torex (37)
- Toshiba (25)
- Transphorm (21)
- TransSIP (2)
- Union (21)
- uPI Semiconductor (2)
- Valens Semiconductor (18)
- Wise Integration (1)
- Wolfspeed (8)
- Xilinx (22)
- XL Semiconductor (3)
- XYSemi (62)
Overview
| Topology | Wireless Power Transfer |
| Input voltage | 4.75-5.25 V |
| Switching frequency | 50-250 kHz |
Description
LTC4125 Driving a 24μH Transmit Coil at 103kHz, with 1.3A Input Current Threshold, 119kHz FrequencyLimit and 41.5°C Transmit Coil Surface Temperature Limit in a Wireless Power System with LTC4120-4.2 as a400mA Single Cell Li-Ion Battery Charger at the Receiver
Features
Monolithic 5W Wireless Power Transmitternn AutoResonantTM Switching Frequency Adjusts to ResonantCapacitance and Transmit Coil Inductancenn Transmit Power Automatically Adjusts to ReceiverLoadnn Input Voltage Range: 3V to 5.5Vnn Integrated 100mΩ Full Bridge Switchesnn Multiple Foreign Object Detection Methodsnn Programmable Average Input Current Limit andMonitornn NTC Input for System/Component TemperatureQualified Power Transfernn Wide Operating Switching Frequency Range:50kHz to 250kHznn Thermally Enhanced 4mm × 5mm QFN 20-Lead Package
Typical applications
- Industrial Handhelds
- Medical Equipment
- Hermetically and/or Electrically Insulated Devices
- Military Sensors and Devices
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Compliance | Size | L (µH) | IR (A) | RDC max. (mΩ) | fres (MHz) | Q | P (W) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 760308100110 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-WPCC Wireless Power Transfer Transmitter Coil | Qi - A10; MP-A1/A7 | Ø 50 x 6 mm | 24 | 6 | 100 | 5 | 180 | 100 | ||
 | 760308101303 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-WPCC Wireless Power Transfer Receiver Coil | works with Qi Rx IC's | Ø 26 x 1.3 mm | 47 | 1.5 | 500 | 8 | 25 | 20 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 760308100110 | SPEC | |
| 760308101303 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Compliance | Size | L (µH) | IR (A) | RDC max. (mΩ) | fres (MHz) | Q | P (W) | Samples |
|---|