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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4.5-5.5 V |
| Schaltfrequenz | 40-90 kHz |
| Ausgang 1 | 1.2 V / 0.01 A |
Beschreibung
Demonstration Kit DC3080-KIT features LTC®4126-ADJ, wireless Li-Ion Charger with 1.2V Step-Down DC/DC Converter. This kit comprises a wireless transmitterDC3081A, a wireless receiver DC3078A and two 6mm application-sized receivers DC3079A.DC3078A wireless charger receiver incorporates an external trickle charge circuit that reduces the charge current to 1mA when a deeply discharged battery with voltage lower than 2.8V is plugged in. The combination of DC3081A transmitter and DC3078A receiver can charge a single Li-Ion battery at up to10mA with an airgap of 4.0mm to 8.0mm.
Eigenschaften
- Wireless Li-Ion Battery Charger Plus High Efficiency Multi-Mode Charge Pump DC/DC
- Programmable Charge Current from 1mA to 50mA Via an External Resistor
- Wideband Rx Frequency: DC to >10MHz
- Integrated Rectifier with Overvoltage Limit
- Charge Voltage: 4.2V
- Low Battery Disconnect: 3.0V
- NTC Pin for Temperature Qualified Charging
- DC/DC Regulated Output: 1.2V
- DC/DC Output Current: Up to 60mA
- 50kHz/75kHz Switching, No Audible Noise
- Pushbutton and/or Digital on/off Control for DC/DC
- Thermally Enhanced 12-Lead 2mm × 2mm LQFN Package
Typische Anwendungen
- Hearing Aids, Low Power Li-Ion Powered Devices, Wireless Headsets, IoT Wearables.
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Compliance | Bauform | L(µH) | IR(A) | RDC max.(mΩ) | fres(MHz) | Q(%) | P(W) | Pins | Typ | Montageart | L(mm) | H(mm) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-WPCC Wireless Power Transfer Transmitter Spule, works with Qi Tx IC's, Ø 20 x 2.8 mm | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Complianceworks with Qi Tx IC's | BauformØ 20 x 2.8 mm | Induktivität6.8 µH | Nennstrom2.5 A | Gleichstromwiderstand130 mΩ | Eigenresonanzfrequenz20 MHz | Güte42 % | Leistungsvermögen [1]50 W | Pins2 | – | MontageartTHT | Länge20.5 mm | Höhe2.8 mm | – | Betriebstemperatur -20 °C up to +105 °C | |||||
 | 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 | Pins2 | – | MontageartTHT | Länge10 mm | Höhe1.68 mm | – | Betriebstemperatur -20 °C up to +105 °C | ||||
 | 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 | Pins2 | – | MontageartTHT | Länge6 mm | Höhe2 mm | – | Betriebstemperatur -20 °C up to +105 °C | ||||
 | WR-PHD Kurzschlussbrücken, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | – | – | – | Nennstrom3 A | – | – | – | – | Pins2 | – | – | – | – | Arbeitsspannung200 V (AC) | Betriebstemperatur -25 °C up to +105 °C | |||
 | WR-PHD Stiftleisten, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten | – | – | – | Nennstrom2 A | – | – | – | – | Pins3 | TypGerade | MontageartTHT | Länge6 mm | – | Arbeitsspannung200 V (AC) | Betriebstemperatur -40 °C up to +105 °C |