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Details
| Topologie | Drahtlose Energieübertragung |
| Eingangsspannung | 3.3-5.5 V |
| Schaltfrequenz | 50-10000 kHz |
| Ausgang 1 | 3.4 V / 0.1 A |
| IC-Revision | A |
Beschreibung
The LTC®4124 is a simple high performance wireless Li-Ion charger with low battery disconnect. The pin selectable charge current (up to 100mA) and charge voltage ensure versatility while minimizing the numberof required external components.
Eigenschaften
- Complete Wireless Power Receiver, Li-Ion Charger and PowerPath™ Controller
- Wireless Input Power Control and Rectification
- Wideband Wireless Power Frequency: DC to >10MHz
- Pin-Selectable Charge Current: 10mA/25mA/50mA/ 100mA
- Pin-Selectable Charge Voltage: 4.0V/4.1V/4.2V/4.35V
- Pin-Selectable Low Battery Disconnect: 2.7V/3.2V
- Zero Battery Drain Current in Disconnect/Ship Mode
- Pin-Selectable Low Battery Pre-Charge Current Enable
- NTC Input for Temperature Qualified Charging
- Safety Charge Termination Timer
- Tiny Total Solution Size with Few Externals
- Small Thermally Enhanced 12-lead2mm × 2mm LQFN Package
Typische Anwendungen
- Medical Wireless Sensors
- Military Wearables, High End Wireless Headsets, Streaming Headsets with Bluetooth Connectivity, Virtual Reality Headsets, High End Remote Control, IoT Devices
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Compliance | Bauform | L(µH) | IR(A) | RDC max.(mΩ) | fres(MHz) | Q(%) | P(W) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-WPCC Wireless Power Transfer Receiver Spule, works with Qi Rx IC's, Ø 10 x 1.6 mm | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-WPCC Wireless Power Transfer Receiver Spule | Complianceworks with Qi Rx IC's | BauformØ 10 x 1.6 mm | Induktivität13 µH | Nennstrom0.8 A | Gleichstromwiderstand500 mΩ | Eigenresonanzfrequenz26 MHz | Güte17 % | Leistungsvermögen [1]15 W | ||||
 | WE-WPCC Wireless Power Transfer Receiver Spule, works with Qi Rx IC's, Ø 6 x 2 mm | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-WPCC Wireless Power Transfer Receiver Spule | Complianceworks with Qi Rx IC's | BauformØ 6 x 2 mm | Induktivität7.2 µH | Nennstrom0.8 A | Gleichstromwiderstand450 mΩ | Eigenresonanzfrequenz32 MHz | Güte10 % | Leistungsvermögen [1]5 W | ||||
 | WE-WPCC Wireless Power Transfer Receiver Spule, works with Qi Rx IC's, Ø 17 x 0.8 mm | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-WPCC Wireless Power Transfer Receiver Spule | Complianceworks with Qi Rx IC's | BauformØ 17 x 0.8 mm | Induktivität12.6 µH | Nennstrom1.1 A | Gleichstromwiderstand360 mΩ | Eigenresonanzfrequenz19 MHz | Güte20 % | Leistungsvermögen [1]20 W |